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There is a page named "Reservoir" on this wiki. See also the other search results found.

Page title matches

• Reservoir
  ...lements of petroleum system that can accumulate hydrocarbons (oil or gas). Reservoir rock must have good porosity and permeability to accumulate and drain oil i ==Reservoir Porosity==
  14 KB (2,134 words) - 16:48, 26 March 2019
• Reservoir engineering
  ...racture]] or pores. All reservoir hydrocarbon content connate water . some reservoir content connate water in the micropore that content 10-60% from the pores v Information about scale factor needed to conceptualized reservoir. Scale factor can differences by microscopic; relates to pores and sand gr
  14 KB (2,122 words) - 17:33, 7 March 2016
• Reservoir rock
  #REDIRECT [[East Breaks reservoir rock]]
  40 bytes (5 words) - 20:04, 30 January 2014
• Hydrocarbon reservoir
  * [https://en.wikipedia.org/wiki/Petroleum_reservoir Petroleum reservoir] * [http://petrowiki.org/Reservoir_geology Reservoir geology]
  273 bytes (34 words) - 22:25, 22 July 2014
• Eolian reservoir
  31 bytes (3 words) - 20:59, 29 July 2015
• Reservoir system
  | chapter = Predicting reservoir system quality and performance ...] and [[Permeability|permeable]] rock regardless of the fluid it contains. Reservoir engineers apply the term to mean a rock that contains [[hydrocarbon]]s and
  4 KB (579 words) - 14:34, 1 April 2022
• Carbonate reservoir
  ...easy task to make reliable predictions about their production performance. Reservoir management is difficult because the accurate targeting of production and in
  38 KB (5,571 words) - 15:31, 16 January 2024
• Reservoir fluids
  | part = The Production Geologist and the Reservoir | chapter = Reservoir Fluids
  22 KB (3,508 words) - 20:34, 3 March 2016
• Reservoir quality
  | chapter = Reservoir quality ...apacity is characterized by the effective [[porosity]] and the size of the reservoir, whereas the deliverability is a function of the [[permeability]]. Effectiv
  18 KB (2,514 words) - 17:47, 21 January 2022
• Reservoir system analysis
  {{merge|Reservoir system}} | chapter = Predicting reservoir system quality and performance
  4 KB (547 words) - 18:09, 1 April 2022
• Fractured reservoir evaluation
  ...//wiki.seg.org/wiki/Dictionary:Anisotropy anisotropy]. Four basic types of reservoir fractures can be defined ([[:file:evaluating-fractured-reservoirs_fig1.png| {{quotation|''Type 1''—Provide the essential porosity and permeability to the reservoir
  26 KB (3,674 words) - 21:21, 19 January 2022
• Reservoir drive mechanisms
  | chapter = Predicting reservoir system quality and performance ...rive mechanism supplies the energy that moves the hydrocarbon located in a reservoir container toward the wellbore as fluid is removed near the wellbore. There
  7 KB (1,052 words) - 18:45, 1 April 2022
• Reservoir simulation study
  | part = Reservoir engineering methods | chapter = Conducting a reservoir simulation study: an overview
  19 KB (2,711 words) - 17:48, 21 January 2022
• Predicting sandstone reservoir porosity
  | chapter = Predicting reservoir system quality and performance ...sto2/data/a059/a059/0001/0000/0015.htm Regional controls on diagenesis and reservoir quality in Lower Tertiary sandstones along the Texas Gulf Coast], in D. A.
  10 KB (1,384 words) - 15:00, 6 April 2022
• East Breaks reservoir rock
  ...ystems: New York, Springer-Verlag, p. 137–170.</ref> Only the ''Glob alt'' reservoir is considered here. ...png|{{figure number|3}}Seismic reflection profile showing the ''Glob alt'' reservoir interval. After Armentrout et al.<ref name=ArmentroutEtAl_1991>Armentrout,
  13 KB (1,771 words) - 17:24, 5 December 2023
• Petroleum reservoir fluid properties
  | part = Reservoir engineering methods | chapter = Petroleum reservoir fluid properties
  19 KB (2,721 words) - 21:21, 19 January 2022
• Predicting reservoir system quality
  #REDIRECT [[Reservoir system quality prediction]]
  49 bytes (5 words) - 14:36, 28 July 2014
• What is a reservoir system?
  #REDIRECT [[Reservoir system]]
  30 bytes (3 words) - 14:28, 8 September 2014
• Predicting reservoir drive mechanism
  | chapter = Predicting reservoir system quality and performance One can predict drive type by analyzing (1) the reservoir system of a prospect and (2) the production history characteristics of simi
  6 KB (759 words) - 13:51, 4 April 2022
• Analyzing a reservoir system
  #REDIRECT [[Reservoir system analysis]]
  39 bytes (4 words) - 20:22, 30 September 2014
• Diagenetically complex reservoir evaluation
  ...r reposition the locations of such wells, selectively perforate and inject reservoir units, manage zones on an individual basis, and revise decisions regarding ...f cementation, compaction, replacement, dissolution, and fracturing. For a reservoir to be considered complex, the diagenetic inhomogeneities must exhibit a com
  31 KB (4,171 words) - 18:22, 21 January 2022
• Reservoir system quality prediction
  | chapter = Predicting reservoir system quality and performance ...on discusses methods for predicting the quality of sandstone and carbonate reservoir systems.
  3 KB (425 words) - 17:11, 5 April 2022
• Introduction to reservoir engineering methods
  Articles about reservoir engineering methods. * [[Reservoir modeling for simulation purposes]]
  381 bytes (38 words) - 21:50, 28 July 2015
• Buoyancy forces in reservoir fluids
  | part = The Production Geologist and the Reservoir | chapter = Reservoir Fluids
  8 KB (1,182 words) - 20:27, 3 March 2016
• Reservoir simulations and field unitization
  ...ive [[Fault seal behavior|fault seal analysis]] are required for realistic reservoir simulations. Neither the seal behavior, [[transmissibility]], [[permeabilit ...ucing residual oil accumulations missed by assuming a laterally continuous reservoir.
  3 KB (479 words) - 15:21, 30 March 2022
• Reservoir modeling for simulation purposes
  | part = Reservoir engineering methods | chapter = Reservoir modeling for simulation purposes
  17 KB (2,234 words) - 21:21, 19 January 2022
• Well log analysis for reservoir characterization
  ...carbon volume, and many others. Some approaches are needed to characterize reservoir, by using well log data, the user may be able to calculate: ...og data. Basically, there are two types of properties that will be used in reservoir characterization, they are petrophysics (shale volume, water saturation, pe
  25 KB (3,679 words) - 21:17, 13 March 2019
• Flow units for reservoir characterization
  | chapter = Flow units for reservoir characterization ...a/bulletns/1986-87/data/pg/0071/0010/1200/1233.htm Multiscale anatomy of a reservoir— geological characterization of Pembina-Cardium pool, west-central Albert
  16 KB (2,282 words) - 20:46, 19 January 2022
• Predicting carbonate reservoir location and quality
  | chapter = Predicting reservoir system quality and performance ...r gas.” We also can include the thickness and lateral extent as aspects of reservoir quality.
  7 KB (894 words) - 14:15, 11 April 2022
• Fault seal analysis for reservoir development
  ...seal analysis is used to determine the level of connectivity of a separate reservoir due to fault segments. This is controlled by the permeability and porosity * Juxtaposition position alignment, where the sandstone reservoir is aligned with rocks that have low permeability (clay / shale) with high p
  14 KB (2,146 words) - 19:35, 13 September 2022
• Rock physics analysis for reservoir identification
  ...iscriminate between the reservoir and non-reservoir lithology, predict the reservoir’s expected seismic response, and to observe the relations of such elastic ...s method can help solving such problems on a training dataset from clastic reservoir. The dataset is situated at a depth of 3,000-3,100 ft TVDSS in fluvial depo
  15 KB (2,356 words) - 18:00, 26 April 2022
• Water saturation distribution in a reservoir
  | chapter = Predicting reservoir system quality and performance ...Reservoir quality|pore geometry]]. Mapping S_w distribution in a reservoir helps us predict trap boundaries.
  5 KB (687 words) - 17:09, 5 April 2022
• Interpreting Sw distribution in a reservoir
  #REDIRECT [[Water saturation distribution in a reservoir]]
  58 bytes (7 words) - 16:15, 27 October 2014
• Conducting a reservoir simulation study: an overview
  #REDIRECT [[Reservoir simulation study]]
  40 bytes (4 words) - 15:25, 19 December 2014
• Dolomite and dolomitization: Implications for reservoir characterization
  The dolostone texture and reservoir properties are greatly variable i.e. in matrix-selective dolomitization, th ...ons of Persian Gulf, overdolomitizaton has no significant influence on the reservoir quality (Tavakoli and Jamalian, 2019). Hence, dolomite presence can enhance
  38 KB (4,996 words) - 21:07, 21 April 2022
• Relationship between porosity and permeability on fractured basement reservoir
  ...sed for a intercrystalline- intergranular porosity formation. However, the reservoir problem does not include both of the another porosity system types. Porous ...elation cannot be used for hydraulic channel identification or fracture on reservoir body.
  29 KB (4,601 words) - 16:09, 12 April 2016
• Carbonate reservoir models: facies, diagenesis, and flow characterization
  34 bytes (3 words) - 15:24, 16 July 2014
• Subsurface diagenesis and its relation with diagenetic trap on carbonate rocks reservoir
  ...neomorphism. Soil and low weathering zone are not always important as the reservoir rocks, because the porosity size of matrix in carbonate is relatively small ...S or organically acid. Burial dissolution makes the lower burial-carbonate reservoir to have porosity and permeability which can produce hydrocarbon, though sta
  16 KB (2,395 words) - 21:18, 9 January 2024

Page text matches

• Hydrocarbon reservoir
  * [https://en.wikipedia.org/wiki/Petroleum_reservoir Petroleum reservoir] * [http://petrowiki.org/Reservoir_geology Reservoir geology]
  273 bytes (34 words) - 22:25, 22 July 2014
• Introduction to reservoir engineering methods
  Articles about reservoir engineering methods. * [[Reservoir modeling for simulation purposes]]
  381 bytes (38 words) - 21:50, 28 July 2015
• Hydrocarbon column
  This term refers to a vertical measure of the reservoir or trap containing hydrocarbons. [[Category:Predicting reservoir system quality and performance]]
  165 bytes (22 words) - 19:51, 14 April 2014
• Free water level
  ...the aquifer of a [[Drive mechanisms and recovery#Water drive|water drive]] reservoir system. It produces water only. Zero [[buoyancy pressure]] exists at this l * [[Reservoir system]]
  525 bytes (76 words) - 14:40, 8 September 2014
• Dry
  This is a confusing term. When a reservoir is said to be dry, it is really wet - but with formation water, and no hydr [[Category:Predicting reservoir system quality and performance]]
  204 bytes (33 words) - 16:05, 20 August 2014
• Introduction to geological methods
  * [[Carbonate reservoir models: facies, diagenesis, and flow characterization]] * [[Flow units for reservoir characterization]]
  867 bytes (82 words) - 20:42, 16 July 2014
• Buckles plot
  ...relates to capillary pressure, fluid distribution, and fluid recovery in a reservoir.]] ...line where the formation is near immobile water if the points come from a reservoir with consistent pore type and pore geometry.
  1 KB (183 words) - 18:19, 26 March 2015
• What is a reservoir system?
  #REDIRECT [[Reservoir system]]
  30 bytes (3 words) - 14:28, 8 September 2014
• Conducting a reservoir simulation study: an overview
  #REDIRECT [[Reservoir simulation study]]
  40 bytes (4 words) - 15:25, 19 December 2014
• Evaluating fractured reservoirs
  #REDIRECT [[Fractured reservoir evaluation]]
  44 bytes (4 words) - 20:33, 28 August 2014
• Analyzing a reservoir system
  #REDIRECT [[Reservoir system analysis]]
  39 bytes (4 words) - 20:22, 30 September 2014
• Predicting reservoir system quality
  #REDIRECT [[Reservoir system quality prediction]]
  49 bytes (5 words) - 14:36, 28 July 2014
• Evaluating diagenetically complex reservoirs
  #REDIRECT [[Diagenetically complex reservoir evaluation]]
  57 bytes (5 words) - 20:31, 19 December 2014
• Reservoir rock
  #REDIRECT [[East Breaks reservoir rock]]
  40 bytes (5 words) - 20:04, 30 January 2014
• Reservoir system analysis
  {{merge|Reservoir system}} | chapter = Predicting reservoir system quality and performance
  4 KB (547 words) - 18:09, 1 April 2022
• Interpreting Sw distribution in a reservoir
  #REDIRECT [[Water saturation distribution in a reservoir]]
  58 bytes (7 words) - 16:15, 27 October 2014
• Pore-fluid interaction
  | chapter = Predicting reservoir system quality and performance ...uid interaction. Since direct observation of pore–fluid interaction in the reservoir is impossible at present, [[capillary pressure]] and relative [[permeabilit
  2 KB (229 words) - 16:31, 4 April 2022
• Predicting carbonate porosity and permeability
  | chapter = Predicting reservoir system quality and performance ...and enhance prediction of the location and quality of potential carbonate reservoir rocks.
  2 KB (251 words) - 18:32, 6 April 2022
• Reservoir system
  | chapter = Predicting reservoir system quality and performance ...] and [[Permeability|permeable]] rock regardless of the fluid it contains. Reservoir engineers apply the term to mean a rock that contains [[hydrocarbon]]s and
  4 KB (579 words) - 14:34, 1 April 2022
• Subsurface team
  ...sponsible for understanding and modeling the geological framework of the [[reservoir]]. Helps to identify and plan new well locations. ...epositional environments]], and [[Reservoir quality|rock]] and [[Petroleum reservoir fluid properties|fluid properties]] can also be characterized.
  3 KB (424 words) - 14:54, 10 November 2014
• Water saturation
  | chapter = Predicting reservoir system quality and performance ...[[Connectivity and pore throat size|pore throat size distribution]] in the reservoir. The [[Calculating Sw from the Archie equation#What is the Archie equation?
  2 KB (227 words) - 13:38, 5 April 2022
• Siliciclastic
  * [http://petrowiki.org/Siliciclastic_reservoir_geology Siliciclastic reservoir geology]
  532 bytes (56 words) - 14:42, 28 August 2014
• Reservoir system quality prediction
  | chapter = Predicting reservoir system quality and performance ...on discusses methods for predicting the quality of sandstone and carbonate reservoir systems.
  3 KB (425 words) - 17:11, 5 April 2022
• Sandstone porosity and permeability prediction
  | chapter = Predicting reservoir system quality and performance ...oal, and Uranium Exploration: New York, Springer-Verlag, 438 p. Summarizes reservoir characteristics of major sandstone depositional environments, especially wi
  2 KB (300 words) - 20:29, 5 April 2022
• Water saturation distribution in a reservoir
  | chapter = Predicting reservoir system quality and performance ...Reservoir quality|pore geometry]]. Mapping S_w distribution in a reservoir helps us predict trap boundaries.
  5 KB (687 words) - 17:09, 5 April 2022
• Predicting hydrocarbon recovery
  | chapter = Predicting reservoir system quality and performance ...ism]]. Predicting recovery depends on predicting [[reservoir quality]] and reservoir drive.
  5 KB (691 words) - 17:10, 5 April 2022
• Multilevel well
  | title = Horizontal Wells: Focus on the Reservoir ...is a multilevel well. These wells typically are used to encounter multiple reservoir compartments.
  1 KB (183 words) - 15:42, 26 April 2016
• Setting and structure of the Sorrento field
  | chapter = Predicting reservoir system quality and performance [[file:predicting-reservoir-system-quality-and-performance_fig9-85.png|300px|thumb|{{figure number|1}}L
  3 KB (429 words) - 14:19, 11 April 2022
• Basement
  ...d gas, but in some places fractured basement has proven to be a commercial reservoir.
  264 bytes (40 words) - 15:52, 10 March 2016
• Erosional trap regime
  ...ur along contacts between erosional surfaces and underlying or overlying [[reservoir]s. Three trap classes have been identified, based on the geometry of the reservoir beds in contact with the [[unconformity]] surface. The hierarchical structu
  5 KB (588 words) - 16:13, 13 April 2022
• Paleogeography
  ...apping|seismic facies]], [[Fossil assemblage|biofacies]], and thickness of reservoir-quality rocks.
  2 KB (242 words) - 15:48, 1 March 2022
• Paleogeography and prospect identification
  ...systems#Shoreline deposits|shorelines]] or [[reef]]s. Mapping thickness of reservoir-quality rocks is also useful for establishing paleogeography; thick, linear ...interval of a single depositional phase that has potential for containing reservoir rocks, i.e., [[Third-order sequences|lowstand or highstand]], using biostra
  4 KB (491 words) - 14:27, 21 March 2022
• Reservoir drive mechanisms
  | chapter = Predicting reservoir system quality and performance ...rive mechanism supplies the energy that moves the hydrocarbon located in a reservoir container toward the wellbore as fluid is removed near the wellbore. There
  7 KB (1,052 words) - 18:45, 1 April 2022
• Determining water saturation
  | chapter = Predicting reservoir system quality and performance ...G. E., 1942, The electrical resistivity log as an aid in determining some reservoir characteristics: Petroleum Transactions of AIME 146: 54–62.</ref> which i
  2 KB (244 words) - 13:38, 5 April 2022
• Trap
  A trap consists of a geometric arrangement of permeable ([[reservoir]]) and less-permeable ([[seal]]) rocks which, when combined with the physic * '''Trap reservoir'''—storage for accumulating hydrocarbons and can transmit hydrocarbons.
  4 KB (614 words) - 17:02, 12 April 2022
• Fieldwork risk assessment
  ...is to determine which risks are associated with each critical element. For reservoir rock, the main risk might be thickness and [[porosity]] preservation. For s * Reservoir porosity
  2 KB (354 words) - 22:07, 1 February 2022
• Midale porosity, pore geometries, and petrophysics
  | chapter = Predicting reservoir system quality and performance ==Reservoir pore geometry and pore type==
  5 KB (659 words) - 16:54, 12 April 2022
• Tertiary migration
  [[Hydrocarbon migration|Migration]] to the surface, either from a [[reservoir]] or [[source rock]]. Also called dismigration.
  440 bytes (58 words) - 21:47, 25 June 2015
• Postaccumulation cementation
  ...phase may retard [[diagenesis]] in an [[accumulation]], sooner or later [[reservoir quality]] decreases with increasing age and burial.<ref name=ch11r5>Bloch, ...no longer be effective at deeper depths because it differs little from the reservoir rock.
  3 KB (430 words) - 15:35, 1 February 2022
• Predicting reservoir drive mechanism
  | chapter = Predicting reservoir system quality and performance One can predict drive type by analyzing (1) the reservoir system of a prospect and (2) the production history characteristics of simi
  6 KB (759 words) - 13:51, 4 April 2022
• Carbonate facies
  | chapter = Predicting reservoir system quality and performance [[file:predicting-reservoir-system-quality-and-performance_fig9-66.png|thumb|300px|{{figure number|1}}T
  3 KB (433 words) - 18:32, 6 April 2022
• Pore system fundamentals
  | chapter = Predicting reservoir system quality and performance ...istic way that oil, gas, and water move through rocks). [[:file:predicting-reservoir-system-quality-and-performance_fig9-9.png|Figure 1]] shows typical 3-D pore
  3 KB (388 words) - 13:52, 4 April 2022
• Midale lithofacies and distribution
  | chapter = Predicting reservoir system quality and performance ==Reservoir SEM and capillary pressure curve==
  6 KB (842 words) - 18:50, 4 December 2023
• Pc curves and saturation profiles
  | chapter = Predicting reservoir system quality and performance Water–hydrocarbon saturation profiles for a reservoir can be approximated using the [[capillary pressure]] (P_c) curves
  5 KB (752 words) - 16:53, 4 April 2022
• Petroleum destruction
  [[Category:Predicting reservoir system quality and performance]]
  376 bytes (38 words) - 20:19, 14 April 2014
• Fault control on hydrocarbon distribution
  ...field. The field contains 33 separate [[reservoir]] sands. At each mapped reservoir level, the field is divided into three major compartments (A, B, D) by faul ...ent B and then across the eastern portion of Fault A into the next highest reservoir. Only when Fault A is [[Cross-sealing faults|cross sealing]] does Compartme
  4 KB (515 words) - 21:31, 29 March 2022
• Trap systems: structural, stratigraphic, and fluidic
  ...ositional structure|syndepositional]] [[deformation]] or displacement of [[reservoir]] and/or [[seal]]ing units ...ime|erosional]], or [[Diagenetic trap regime|diagenetic]] configuration of reservoir and/or sealing units
  3 KB (405 words) - 17:44, 12 April 2022
• Midale water saturation and pore geometry
  | chapter = Predicting reservoir system quality and performance ...consist of interbeds of [[packstone]] and [[mudstone]]. [[:file:predicting-reservoir-system-quality-and-performance_fig9-103.png|Figure 1]] is a [[Pickett plot
  4 KB (588 words) - 17:01, 12 April 2022
• Carbonate porosity formation and preservation
  | chapter = Predicting reservoir system quality and performance ...history of a carbonate rock is generally more rewarding when searching for reservoir-quality rocks.
  5 KB (708 words) - 17:27, 5 December 2023
• Hydrocarbon migration
  ...ation]] moves petroleum through a coarse-grained carrier bed or fault to a reservoir or seep. [[Tertiary migration]] occurs when petroleum moves from one trap t ...rbon]]s migrate as a separate phase, primarily due to [[Buoyancy forces in reservoir fluids|buoyancy]]. This force causes them to move vertically at geologicall
  6 KB (865 words) - 14:33, 6 April 2016
• Pore and pore throat sizes
  | chapter = Predicting reservoir system quality and performance [[file:predicting-reservoir-system-quality-and-performance_fig9-10.png|thumb|300px|{{figure number|1}}F
  4 KB (516 words) - 14:04, 4 April 2022
• Capillary pressure (Pc): buoyancy, height, and pore throat radius
  | chapter = Predicting reservoir system quality and performance ...erated by these techniques cannot be compared directly to each other or to reservoir conditions. Below, we demonstrate how to convert pressures measured in the
  6 KB (850 words) - 17:22, 4 April 2022
• Morrow lithofacies and pore types: Sorrento field
  | chapter = Predicting reservoir system quality and performance ...ity-and-performance_fig9-86.png|Figure 1]]), we see a picture of a clastic reservoir with wide heterogeneity in total [[Porosity|porosities], [[Pore and pore th
  6 KB (769 words) - 17:23, 11 April 2022
• Types of diagenetic traps
  * Reservoir destroyed by [[paleosol]]s, [[Meteoric diagenesis|meteoric cementation]], [ * Reservoir enhanced by paleo-groundwater movement and/or karsting
  2 KB (294 words) - 21:01, 4 February 2022
• Flow units and containers
  | chapter = Predicting reservoir system quality and performance ...tion of the number, quality, geometry, and location of containers within a reservoir system; drive mechanism; and fluid properties. When performance does not ma
  9 KB (1,231 words) - 18:42, 1 April 2022
• Wiki write off
  * [[Reservoir]] * [[Reservoir engineering]]
  3 KB (399 words) - 12:51, 28 September 2015
• Hydrocarbon expulsion, migration, and accumulation
  | chapter = Predicting reservoir system quality and performance The pores and fluids of a reservoir system interact during the processes of expulsion, [[migration]], [[accumul
  6 KB (828 words) - 16:32, 4 April 2022
• Pickett plot construction
  | chapter = Predicting reservoir system quality and performance ...a powerful graphic technique for estimating S_w ranges within a reservoir. All that is needed to make a Pickett plot is a set of porosities and corre
  6 KB (878 words) - 16:16, 5 April 2022
• Hydrocarbon column: calculation of maximum height
  ...ct oil-water contact] would coincide with the [[free water level]]. If the reservoir has some displacement pressure greater than zero, then the height of the hy * P_dr = displacement pressure of the reservoir
  3 KB (488 words) - 16:13, 31 March 2022
• Fracture traps
  ...e just another [[porosity]] type and should be thought of as part of the [[reservoir]], not as a trap regime. This classification scheme includes fracture traps The following definitions for fracture, fracture reservoir, and fracture trap are used in the classification scheme.
  3 KB (461 words) - 16:04, 13 April 2022
• Reservoir simulations and field unitization
  ...ive [[Fault seal behavior|fault seal analysis]] are required for realistic reservoir simulations. Neither the seal behavior, [[transmissibility]], [[permeabilit ...ucing residual oil accumulations missed by assuming a laterally continuous reservoir.
  3 KB (479 words) - 15:21, 30 March 2022
• Fault trap regime
  ...fault trap; One or more form all or part of lateral closure by sealing the reservoir. || Tilted fault block; Block of rock bounded on one or more sides by norma ...lt trap; One or more faults form all or part of the closure by sealing the reservoir.
  5 KB (740 words) - 16:04, 13 April 2022
• Shale gouge ratio
  ...s. In these cases, the net contribution of fine-grained material from each reservoir zone can be related to the clay content and thickness of the zone. The corr ...Calculation for a sequence of reservoir zones; Dz is the thickness of each reservoir zone and Vcl is the clay volume fraction in the zone.]]
  3 KB (473 words) - 20:04, 11 March 2015
• Spontaneous potential logs in water resistivity calculation
  | chapter = Predicting reservoir system quality and performance # Enter R_m and move across ([[:file:predicting-reservoir-system-quality-and-performance_fig9-32.png|Figure 1]]) to the appropriate m
  6 KB (1,027 words) - 16:40, 5 April 2022
• What is permeability?
  | chapter = Predicting reservoir system quality and performance ...for permeability measurements is important for understanding how to assess reservoir rock quality or to compare the quality of one flow unit to another.
  5 KB (694 words) - 20:41, 4 April 2022
• Drive mechanisms and recovery
  | part = Reservoir engineering methods [[file:drive-mechanisms-and-recovery_fig1.png|thumb|300px|{{figure_number|1}}Reservoir pressure trends by drive mechanism.]]
  16 KB (2,374 words) - 20:46, 19 January 2022
• True resistivity determination
  | chapter = Predicting reservoir system quality and performance [[file:predicting-reservoir-system-quality-and-performance_fig9-29.png|500px|thumb|{{figure number|1}}R
  3 KB (427 words) - 16:16, 5 April 2022
• Diagenesis
  * [[Carbonate reservoir models: facies, diagenesis, and flow characterization]]
  691 bytes (74 words) - 16:13, 22 October 2014
• Free water level determination using pressure
  The [[free water level]] occurs where [[buoyancy pressure]] is zero in the reservoir-aquifer system. It defines the down[[dip]] limits of an [[accumulation]]. P ...ing free-water level (FWL) by projecting RFT pressure data downward from a reservoir to the aquifer.]]
  3 KB (463 words) - 17:54, 17 February 2022
• Interpreting hydrocarbon shows
  | chapter = Predicting reservoir system quality and performance ...ure number|1}}Drainage and fill-up relative permeability curves for an oil reservoir.
  8 KB (1,130 words) - 17:09, 5 April 2022
• Capillary pressure (Pc) curves: pore throat size determination
  | chapter = Predicting reservoir system quality and performance [[file:predicting-reservoir-system-quality-and-performance_fig9-11.png|300px|thumb|{{figure number|1}}E
  6 KB (898 words) - 16:21, 4 April 2022
• 2021 Middle East Wiki Write Off
  * Radhi Muammar, Conrad Petroleum Ltd. [[Rock physics analysis for reservoir identification]] * Alfian Gilang Gumelar [[Fault seal analysis for reservoir development]]
  2 KB (293 words) - 13:02, 31 May 2022
• Overpressure and hydrocarbon distribution, Gulf Coast
  ...ases with depth. This decrease is a result of several changes, including [[reservoir quality]] and [[migration pathway]]s. Most importantly, however, the distri ...istribution of hydrocarbons relative to the top of overpressure changes as reservoir depth changes.<ref name=ch10r47 /> Copyright: Oil & Gas Journal.]]
  4 KB (605 words) - 20:30, 30 March 2022
• Relative permeability
  | chapter = Predicting reservoir system quality and performance ...to water is absolute permeability (K_ab). The permeability of a reservoir rock to any one fluid in the presence of others is its effective permeabili
  9 KB (1,351 words) - 13:31, 5 April 2022
• Buoyancy forces in reservoir fluids
  | part = The Production Geologist and the Reservoir | chapter = Reservoir Fluids
  8 KB (1,182 words) - 20:27, 3 March 2016
• Stratigraphic trap seals
  ...ral seals to the “A” sandstone reservoir. The [[dolostone]] bed separating reservoir sandstones “A” and “B” provides the bottom seal. ==Reservoir quality and column height==
  5 KB (632 words) - 20:26, 3 February 2022
• Sandstone permeability prediction from texture
  | chapter = Predicting reservoir system quality and performance ...quality|Pore type]], [[Pore system shapes|pore geometry]], and [[Petroleum reservoir fluid properties|fluid properties]] are critical factors affecting [[permea
  9 KB (1,118 words) - 17:03, 6 April 2022
• Diagenesis: information from petrology
  | Oil-filled fluid inclusions in reservoir or carrier beds || Indicates migration pathways and absolute timing of migr ...PM Short Course 35, 79 p.</ref><ref name=ch21r52>Wilson, M. D., ed., 1994, Reservoir quality Assessment and Prediction in Clastic Rocks: SEPM (Society of Sedime
  4 KB (544 words) - 21:38, 4 February 2022
• Surficial geochemistry: limitations and uncertainties
  * [[Reservoir]]s that are significantly [[Underpressure causes|underpressured]] or contai ...gerprinting techniques]] can sometimes discriminate seepage from different reservoir zones.
  3 KB (418 words) - 21:19, 24 January 2022
• Stratigraphically complex fields
  ...can result in a highly variable distribution of rock properties within one reservoir and the division of a single stratigraphic interval into multiple reservoir ...{table number|1}}Tentative, relative depositional heterogeneity ranking of reservoir facies based primarily on Texas [[petroleum]] fields
  8 KB (983 words) - 20:49, 19 January 2022
• Hydrology and sandstone diagenesis
  | chapter = Predicting reservoir system quality and performance [[file:predicting-reservoir-system-quality-and-performance_fig9-48.png|300px|thumb|{{figure number|1}}W
  6 KB (787 words) - 13:43, 6 April 2022
• Structural maps and cross sections
  * A structure [[contour]] map on top of the reservoir. ...#Isopach|isopach map]] of the target reservoir—especially important if the reservoir displays significant stratigraphic thickness variation or has behaved in a
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• Pore throat size and connectivity
  | chapter = Predicting reservoir system quality and performance ...Estimation of recovery efficiency by visual observation of pore systems in reservoir rocks: Bulletin of Canadian Petroleum Geology, vol. 26, no. 4, p. 572–585
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• Migration distance: vertical and lateral
  ...product, [[geothermal gradient]]s, fingerprint matching between source and reservoir, and geological estimation of the nearest rock unit of source quality. ...n migration|migration]] distance is next to impossible. It requires source–reservoir correlation, knowledge of the extent of the [[source rock]], and knowledge
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• Sequences during low-amplitude, high-frequency cycles
  | chapter = Predicting reservoir system quality and performance * Reservoir-quality facies that are
  5 KB (708 words) - 21:00, 6 April 2022
• Sandstone diagenesis: composition and texture
  | chapter = Predicting reservoir system quality and performance ...sto2/data/a059/a059/0001/0000/0015.htm Regional controls on diagenesis and reservoir quality in Lower Tertiary sandstones along the Texas Gulf Coast], in D. A.
  5 KB (729 words) - 20:48, 5 April 2022
• Petrophysical analysis of Sorrento field wells
  | chapter = Predicting reservoir system quality and performance [[file:predicting-reservoir-system-quality-and-performance_fig9-90.png|300px|thumb|{{figure number|1}}F
  7 KB (956 words) - 17:24, 11 April 2022
• Carbonate diagenetic stages
  | chapter = Predicting reservoir system quality and performance [[file:predicting-reservoir-system-quality-and-performance_fig9-68.png|thumb|400px|{{figure number|1}}T
  6 KB (727 words) - 19:06, 6 April 2022
• Predicting carbonate reservoir location and quality
  | chapter = Predicting reservoir system quality and performance ...r gas.” We also can include the thickness and lateral extent as aspects of reservoir quality.
  7 KB (894 words) - 14:15, 11 April 2022
• Diagenetic trap regime
  ...wspan = 2 | Diagenetic seals: Trap boundaries created by plugging original reservoir porosity and permeability by diagenetic cements or minerals. || colspan = 2 ...reduction in the size of [[Pore system fundamentals|pore-throat]] radii of reservoir rocks by depositional or diagenetic processes. These trap types typically h
  5 KB (645 words) - 16:14, 13 April 2022
• Covenant field
  ...nits the Covenant field area. The Lower Jurassic Navajo Sandstone is the reservoir, while the overlying Middle Jurassic Twin Peaks Limestone and Arapien Shale ...ructural closure with a 450-foot (150M) oil column. The oil-charged Navajo reservoir covers about 960 acres.” The structure is related to movement along the
  6 KB (897 words) - 19:39, 14 February 2017
• Biodegradation
  ...-reducing or methanogenic) biodegradation during migration or while in the reservoir, or at surface seeps, typically at temeraptures approximately less than 80&
  791 bytes (108 words) - 19:58, 25 June 2015
• East Breaks geochemistry
  ...umber|1}}The more poorly preserved alkanes in the HB-2 oil occur where the reservoir temperature is about 130&deg;F. After Dow et al.<ref name=ch04r29 /> Copyri ...eg;C]]). The more poorly preserved alkanes in the HB-2 oil occur where the reservoir temperature is about [[temperature::130&deg;F]] ([[:file:sedimentary-basin-
  5 KB (648 words) - 15:33, 23 March 2022
• Sequences during moderate-amplitude, high-frequency cycles
  | chapter = Predicting reservoir system quality and performance ...concepts of climatic effect on sea level cycles, carbonate deposition, and reservoir development.</ref> Arid and humid zones existed simultaneously at different
  5 KB (674 words) - 21:22, 6 April 2022
• Pressure trap regime
  ...ts controlled by change from overpressured reservoir to normally pressured reservoir. Common in some fractured reservoirs in which overpressures were required t
  3 KB (331 words) - 16:30, 13 April 2022
• East Breaks petroleum geology
  ...the occurrence of probable [[source rock]], [[migration pathway]]s, and [[reservoir]]. ...posits|Slope basin]] [[Gravity flow|gravity-flow]] sands are the principal reservoir target in the High Island–East Breaks area for all except the most shallo
  4 KB (494 words) - 13:44, 5 December 2023
• Pore systems
  | chapter = Predicting reservoir system quality and performance ...r when interacting with fluids that can be used to predict the behavior of reservoir systems over time.
  3 KB (442 words) - 13:52, 4 April 2022
• Formation fluid pressure from drill stem tests
  ...st common method to measure reservoir pressure. DSTs are the most reliable reservoir pressure measurement method if sufficient time elapses during the test for ...reservoir pressure to drop near the wellbore. ISIP is the pressure in the reservoir after the first shut-in period. The duration of this shut-in time is determ
  6 KB (997 words) - 17:55, 17 February 2022
• Rock quality
  | chapter = Predicting reservoir system quality and performance [[file:predicting-reservoir-system-quality-and-performance_fig9-16.png|300px|thumb|{{figure number|1}}S
  10 KB (1,534 words) - 16:53, 4 April 2022
• Weyburn field location and trap problem
  | chapter = Predicting reservoir system quality and performance [[:file:predicting-reservoir-system-quality-and-performance_fig9-96.png|Figure 1]] is a map showing the
  6 KB (848 words) - 17:34, 3 January 2024
• Petroleum system naming
  [[file:petroleum-systems_fig3-1.png|thumb|300px|{{figure number|1}}How a reservoir rock name is selected.]] * The name of the [[reservoir]] rock that contains the largest volume of in-place petroleum
  3 KB (367 words) - 18:35, 25 January 2022
• Fracture trap regime
  ...he internal characteristics and geometry of the fractures that make up the reservoir. The outline below shows the classes, some subclasses, and possible styles ...es. || rowspan = 2 | ''Parallel fractures''; Open fractures in a fractured reservoir, predominantly unidirectional in both strike and dip. || ''Mineralized frac
  7 KB (895 words) - 16:04, 13 April 2022
• Deasphalting
  ...light hydrocarbons that escape from deep reservoirs enter a shallower oil reservoir.<ref name=Petersetal_2012>Peters, Kenneth E., David J. Curry, and Marek Kac
  864 bytes (120 words) - 19:55, 25 June 2015
• Formation fluid pressure from repeat formation testers
  | Fractured reservoir || May be unreliable || Good if fractures intersect wellbore | Layered reservoir || Not representative || Good if many layers are included in tested interva
  6 KB (849 words) - 17:55, 17 February 2022
• Sandstone permeability estimation from cuttings
  | chapter = Predicting reservoir system quality and performance ...grated rock-log calibration in the Elmworth field—Alberta, Canada: part I: reservoir rock detection and characterization], in Masters, J., A., ed., Elmworth—C
  6 KB (882 words) - 17:19, 6 April 2022
• Predicting sandstone reservoir porosity
  | chapter = Predicting reservoir system quality and performance ...sto2/data/a059/a059/0001/0000/0015.htm Regional controls on diagenesis and reservoir quality in Lower Tertiary sandstones along the Texas Gulf Coast], in D. A.
  10 KB (1,384 words) - 15:00, 6 April 2022
• Sorrento field: water saturation
  | chapter = Predicting reservoir system quality and performance [[Morrow sandstone]] [[reservoir]]s display multiple [http://www.glossary.oilfield.slb.com/en/Terms.aspx?Lo
  7 KB (1,044 words) - 16:57, 13 April 2022
• Trap spillage
  * Reduction in reservoir volume due to [[postaccumulation cementation]] ...esidual fluid saturation|residual saturation]] over a thick section of the reservoir, with a paleo-fluid contact located near the base of the residual saturatio
  3 KB (341 words) - 22:36, 31 January 2022
• Tight gas reservoirs: evaluation
  ...gas. Since that time, however, and for all practical purposes, a tight gas reservoir is generally recognized as any low [[permeability]] formation in which spec ...a/specpubs/resmi1/data/a066/a066/0001/0250/0271.htm Sedimentary facies and reservoir characteristics of Frontier Formation sandstones, southwestern Wyoming], ''
  11 KB (1,444 words) - 21:26, 4 January 2024
• Crude oil
  ...ly contains solution gas and closely resembles the original oil from the [[reservoir rock]]. [[Hydrocarbon]]s are the most abundant compounds in crude oils, but
  941 bytes (133 words) - 19:55, 25 June 2015
• Basin-centered gas systems
  ...." In Magoon and Dow's definition, the elements include [[source rock]], [[reservoir rock]], [[seal rock]], and [[overburden rock]]. Relevant processes include ...servoir in-situ permeability (md) || [[Hydrocarbon migration]] distance || Reservoir pressure || Pressure mechanism || Seal || Seal quality || Nature of upper b
  4 KB (469 words) - 19:01, 14 March 2016
• Hydrocarbon accumulation: the seven critical elements
  * [[Reservoir]] rock ===Reservoir rock===
  5 KB (636 words) - 21:47, 1 February 2022
• Sequences during high-amplitude, high-frequency cycles
  | chapter = Predicting reservoir system quality and performance ...concepts of climatic effect on sea level cycles, carbonate deposition, and reservoir development.''</ref>
  6 KB (761 words) - 13:47, 7 April 2022
• Asphaltenes
  ...under natural conditions due to the admixture of light hydrocarbons to the reservoir or in the laboratory by addition of excess n-pentane, n-exane, or n-heptane
  886 bytes (126 words) - 16:34, 25 June 2015
• Toe
  | title = Horizontal Wells: Focus on the Reservoir
  1 KB (155 words) - 19:36, 3 March 2016
• East Breaks seal rock
  ..._fig4-48.png|{{figure number|1}}Well log cross-section of the ''Glob alt'' reservoir interval. After Armentrout et al.;<ref name=Armentroutetal1991>Armentrout, ...png|{{figure number|2}}Seismic reflection profile showing the ''Glob alt'' reservoir interval. After Armentrout et al.;<ref name=Armentroutetal1991 /> courtesy
  5 KB (662 words) - 14:48, 19 December 2023
• Predicting preservation and destruction of accumulations
  | [[Reservoir quality]] drops below economic limits. * Dating the formation of the reservoir, seal, and trap
  5 KB (782 words) - 22:36, 31 January 2022
• Hydrocarbon pressure gradient: plotting
  ...mal hydrostatic pressure#Fluid_pressure|fluid pressure]] measured within a reservoir. ...hydrostatic pressure plot when a measured pressure is available from the [[reservoir]].
  3 KB (381 words) - 17:54, 17 February 2022
• Mapping paleogeography
  ...igraphic]] analysis. Favorable sites for deposition of [[Reservoir quality|reservoir]], [[seal]], and [[source rock]]s can be ascertained from paleogeographic m
  3 KB (346 words) - 20:13, 4 February 2022
• Depositional trap regime
  ...l regime formed primarily by processes that created facies changes between reservoir and seal-quality rocks. Besides deposition by sedimentary processes, this r ...the facies resulting from depositional processes. The subclasses describe reservoir composition or lithology. Where described, trap styles can be listed based
  10 KB (1,231 words) - 20:28, 4 January 2024
• Pay determination
  ...volumetric estimates of reserves). ''Nonpay'' is defined as the part of a reservoir unit that will not produce hydrocarbons at economic rates and includes intr ...r a continuum between pay and nonpay intervals. This situation may include reservoir units that have differing fluid saturations or pore geometries, or that are
  13 KB (1,799 words) - 19:01, 20 January 2022
• Waterflooding
  | part = Reservoir engineering methods ''Waterflooding'' is a process used to inject water into an oil-bearing reservoir for pressure maintenance as well as for displacing and producing incrementa
  10 KB (1,468 words) - 18:23, 21 January 2022
• Sea level cycles and carbonate sequences
  | chapter = Predicting reservoir system quality and performance [[file:predicting-reservoir-system-quality-and-performance_fig9-76.png|300px|thumb|{{figure number|1}}T
  7 KB (989 words) - 20:45, 6 April 2022
• Enhanced oil recovery
  | part = Reservoir engineering methods ...ypically extract approximately one-third of the original oil-in-place in a reservoir. Estimates (made in the late 1970s) of worldwide oil in-place range up to 1
  12 KB (1,794 words) - 21:19, 19 January 2022
• Multilateral well
  | title = Horizontal Wells: Focus on the Reservoir
  1 KB (187 words) - 15:44, 26 April 2016
• Bend
  | title = Horizontal Wells: Focus on the Reservoir
  1 KB (173 words) - 15:33, 16 March 2016
• Sandstone diagenetic processes
  | chapter = Predicting reservoir system quality and performance [[file:predicting-reservoir-system-quality-and-performance_fig9-46.png|300px|thumb|{{figure number|1}}P
  7 KB (870 words) - 20:30, 5 April 2022
• Buoyancy pressure
  ...il or gas, the buoyancy force driving the oil or gas into the pores of the reservoir must overcome the capillary force developed between the original fluid and
  4 KB (596 words) - 18:37, 17 February 2022
• Build rate
  | title = Horizontal Wells: Focus on the Reservoir
  1 KB (174 words) - 19:33, 3 March 2016
• Heel
  | title = Horizontal Wells: Focus on the Reservoir
  1 KB (180 words) - 18:58, 3 March 2016
• Influence of depositional environment on sandstone diagenesis
  | chapter = Predicting reservoir system quality and performance ...aspects of sandstone [[diagenesis]]. The flow chart in [[:file:predicting-reservoir-system-quality-and-performance_fig9-51.png|Figure 1]] shows the interrelati
  8 KB (1,129 words) - 14:11, 6 April 2022
• Early carbonate diagenesis
  | chapter = Predicting reservoir system quality and performance [[file:predicting-reservoir-system-quality-and-performance_fig9-70.png|300px|thumb|{{figure number|1}}S
  10 KB (1,352 words) - 19:07, 6 April 2022
• Reservoir modeling for simulation purposes
  | part = Reservoir engineering methods | chapter = Reservoir modeling for simulation purposes
  17 KB (2,234 words) - 21:21, 19 January 2022
• Horizontal well
  | title = Horizontal Wells: Focus on the Reservoir
  1 KB (182 words) - 19:31, 3 March 2016
• Kickoff point
  | title = Horizontal Wells: Focus on the Reservoir
  1 KB (182 words) - 21:16, 15 March 2016
• Normal hydrostatic pressure gradients
  ...ity is strongly affected by pressure, temperature, and composition. In the reservoir, gas may be in the liquid phase; if so, we should treat it as a very light Predicting gas phase can be complicated. Consult an experienced reservoir engineer when making this prediction.
  3 KB (428 words) - 10:24, 17 March 2022
• Reserves estimation
  | part = Reservoir engineering methods ...s'' are the volume of hydrocarbons that can be profitably extracted from a reservoir using existing technology. ''Resources'' are reserves plus all other hydroc
  16 KB (2,550 words) - 17:47, 21 January 2022
• Geosteering
  | title = Horizontal Wells: Focus on the Reservoir
  1 KB (185 words) - 19:43, 3 March 2016
• Reservoir engineering
  ...racture]] or pores. All reservoir hydrocarbon content connate water . some reservoir content connate water in the micropore that content 10-60% from the pores v Information about scale factor needed to conceptualized reservoir. Scale factor can differences by microscopic; relates to pores and sand gr
  14 KB (2,122 words) - 17:33, 7 March 2016
• Static gas pressure gradient estimation
  The static gas pressure of a gas reservoir is a function of gas density. Static gas pressure gradients can be estimate ...to estimate the gas pressure gradient of a gas reservoir or potential gas reservoir.
  7 KB (979 words) - 15:24, 17 February 2022
• Seismic attributes
  ...e]]s were first used in the mid-1980s for interpreting [[fault trace]]s on reservoir horizons. Since then there has been an explosion in the number of attribute ...nder the correct circumstances, be related to [[porosity]] or net pay in a reservoir interval. With other attributes the physical interpretation of a variation
  6 KB (859 words) - 19:42, 27 January 2022
• Extended-reach wells
  | title = Horizontal Wells: Focus on the Reservoir
  1 KB (186 words) - 19:42, 3 March 2016
• Seismic facies mapping
  ...[[Seal capacity of different rock types|seal rocks]], [[Reservoir quality|reservoir rocks]], or [[source rock]]s.
  3 KB (414 words) - 17:47, 4 February 2022
• Reservoir
  ...lements of petroleum system that can accumulate hydrocarbons (oil or gas). Reservoir rock must have good porosity and permeability to accumulate and drain oil i ==Reservoir Porosity==
  14 KB (2,134 words) - 16:48, 26 March 2019
• Petrophysical analysis of lithofacies
  The reservoir or seal quality of a rock is established soon after deposition. It is stron # Divide potential reservoir units on the cross sections into intervals of similar petrophysical charact
  6 KB (763 words) - 18:53, 4 February 2022
• Sea level cycles and climate
  | chapter = Predicting reservoir system quality and performance ...concepts of climatic effect on sea level cycles, carbonate deposition, and reservoir development.</ref> Courtesy SEPM.]]
  7 KB (894 words) - 20:54, 6 April 2022
• Lateral
  | title = Horizontal Wells: Focus on the Reservoir
  1 KB (185 words) - 13:56, 17 March 2016
• Total measured length
  | title = Horizontal Wells: Focus on the Reservoir
  1 KB (186 words) - 19:53, 3 March 2016
• Fracture analysis
  ...termine reservoir-property requires integrating geology, petrophysics, and reservoir engineering, and it is most often done by experienced specialists. * Coward, M. P., T. S. Daltaban, and H. Johnson, eds., Structural Geology in Reservoir Characterization: [http://sp.lyellcollection.org/content/127/1 Geological S
  5 KB (644 words) - 15:30, 3 February 2022
• Fluidic trap system
  ...which the trapping element is the physical or chemical condition of the [[reservoir fluids]]. There are three regimes in the fluidic system:
  1 KB (179 words) - 16:23, 13 April 2022
• Sidetrack
  | title = Horizontal Wells: Focus on the Reservoir
  1 KB (191 words) - 19:41, 3 March 2016
• Production histories
  ...ated by production histories (see [[Production testing]] and [[Stimulation|Reservoir stimulation]]). ...nticipate changes in performance due to operating conditions or changes in reservoir behavior (for more on decline curves, see [[Reserves estimation]].)
  11 KB (1,656 words) - 18:41, 20 January 2022
• Sea level cycles and carbonate diagenesis
  | chapter = Predicting reservoir system quality and performance ...concepts of climatic effect on sea level cycles, carbonate deposition, and reservoir development.</ref>
  7 KB (960 words) - 21:00, 6 April 2022
• Amplitude (seismic)
  ...Agus, A. (2001). Karakterisasi Reservoir Seismik. Bandung: Lab. Geofisika Reservoir ITB</ref> ...nd A. Agus, 2001, Karakterisasi Reservoir Seismik. Bandung: Lab. Geofisika Reservoir ITB. </ref> Tuning thickness equation is
  8 KB (1,291 words) - 15:49, 18 January 2017
• Petroleum system concept: examples of application
  Linking the elements (source, reservoir, seal, and overburden) to the processes of [[petroleum]] geology (trap form ...{figure number|2}}(A) If mature source rock was located directly under the reservoir, then all traps would be filled an equal amount. (B) If the source was matu
  7 KB (1,083 words) - 21:59, 25 January 2022
• Tar sands
  ...a specific gravity of less than 10&deg; API (bitumen) and immobile in the reservoir. ...lower the viscosities to less than 10,000 cp, making the oil mobile under reservoir conditions and allowing some of the oil in place to be recovered by primary
  7 KB (1,012 words) - 13:40, 18 March 2019
• Logging while drilling
  | title = Horizontal Wells: Focus on the Reservoir
  2 KB (206 words) - 21:17, 3 December 2015
• Gravity in petroleum exploration
  ...hrough [[casing]] in old wells to monitoring fluid changes in productive [[reservoir]]s.
  1 KB (187 words) - 17:53, 25 January 2022
• Geological heterogeneities
  ...ww.onepetro.org/journal-paper/SPE-3608-PA A practical approach to defining reservoir heterogeneity]: Journal of Petroleum Technology, 24, p. 841–848., 10., 21 ...the strata, such as through [[Reservoir quality#compaction|compaction]], [[Reservoir quality#cementation|cementation]], and tectonic [[deformation]]. Geological
  17 KB (2,232 words) - 21:22, 19 January 2022
• Yowlumne field
  | title = Horizontal Wells: Focus on the Reservoir ...terization and exploitation of the distal margin of a fan-shaped turbidite reservoir: The ARCO-DOE 91X-3 horizontal well project, Yowlumne field, San Juaquin Ba
  13 KB (1,896 words) - 19:02, 11 March 2019
• Formation-scale migration pathways
  ...ors are similar to the factors [[reservoir engineer]]s use to characterize reservoir heterogeneity. They are, however, more difficult to assess because of the u
  3 KB (478 words) - 15:19, 14 February 2022
• Pressure compartments
  ...[migration]] and [[accumulation]] of petroleum and the [[diagenesis]] of [[reservoir]]s and [[seal]]s. ...pressure compartment may escape both reservoir-destroying cementation and reservoir-enhancing grain dissolution.
  6 KB (828 words) - 17:57, 17 February 2022
• Cross-borehole tomography
  ...ten be invaluable for preparing accurate [[geological cross sections]] for reservoir development and planning. ...ularly spaced over a depth range that includes the zone of interest in the reservoir. The spacing of these stations and the vertical interval they cover (apertu
  14 KB (2,060 words) - 20:51, 19 January 2022
• Structural exploration: location selection
  ...ations that assess the structurally highest point (crest) at the primary [[reservoir]] appear, at first, to be most attractive. However, other criteria in struc ...ay from hinges to obtain an early assessment of matrix [[porosity]] in the reservoir.
  4 KB (545 words) - 18:52, 3 February 2022
• Stratigraphic trap
  ...tation|seismic]], [[Quick-look lithology from logs|well log]], [[Petroleum reservoir fluid properties|fluid character]], [[Formation fluid pressure and its appl
  1 KB (176 words) - 12:51, 3 July 2014
• Accumulation
  ...p://archives.datapages.com/data/specpubs/beaumont/ch09/ch09.htm Predicting reservoir system quality and performance], in E. A. Beaumont & N. H. Foster, eds., [h
  1 KB (206 words) - 17:37, 27 January 2015
• Petroleum exploration
  There are some requirements to meet a petroleum reservoir: # Reservoir Rock
  15 KB (2,331 words) - 19:12, 17 April 2019
• Depositional sequence analysis of plays
  ...ective concept for assessing the quality and location of source, seal, and reservoir rocks. However, most researchers caution against blindly applying published ...s, such as updip pinch-outs of rocks with reservoir potential or mounds of reservoir-quality rocks, in the context of a depositional sequence. Knowing where the
  8 KB (1,184 words) - 20:44, 4 February 2022
• Fluid contacts
  ...r|1}}Contact definitions and relationship of contacts in a pool (right) to reservoir capillary pressure and fluid production curves (left). The free water surfa ...the lowest elevation at which mobile hydrocarbons occur. The ''[[What is a reservoir system?#Waste and transition zones|transition zone]]'' is the elevation ran
  19 KB (2,690 words) - 21:20, 19 January 2022
• Flow units for reservoir characterization
  | chapter = Flow units for reservoir characterization ...a/bulletns/1986-87/data/pg/0071/0010/1200/1233.htm Multiscale anatomy of a reservoir— geological characterization of Pembina-Cardium pool, west-central Albert
  16 KB (2,282 words) - 20:46, 19 January 2022
• AAPG statement on hydraulic fracturing
  ...ible designs of [[fracture]] treatments, and the geologic relationships of reservoir beds and aquifers unique to each area.
  1 KB (187 words) - 16:47, 18 July 2016
• Log interpretation: initial quick scan
  ...a or wants to broadly reconnoiter an area, a scanning technique that sorts reservoir from nonreservoir can be helpful, even with access to computer-aided proces
  4 KB (543 words) - 14:11, 21 August 2014
• East Breaks reservoir rock
  ...ystems: New York, Springer-Verlag, p. 137–170.</ref> Only the ''Glob alt'' reservoir is considered here. ...png|{{figure number|3}}Seismic reflection profile showing the ''Glob alt'' reservoir interval. After Armentrout et al.<ref name=ArmentroutEtAl_1991>Armentrout,
  13 KB (1,771 words) - 17:24, 5 December 2023
• Artificial lift
  ...bore fluids is required when reservoir pressure is insufficient to drive [[reservoir fluids]] to the surface. Artificial lift equipment also can be used to incr ...reducing the hydrostatic pressure of the fluid column in the tubing below reservoir pressure. The injected gas expands as it moves upward in the tubing, provid
  7 KB (1,094 words) - 20:47, 19 January 2022
• Static hydrocarbon pressure gradients
  ...etermine the [[Dip|downdip]] [[hydrocarbon column]] length by plotting a [[reservoir]]'s static hydrocarbon pressure gradient vs. its [[Normal hydrostatic press
  2 KB (195 words) - 15:17, 17 February 2022
• Density-neutron log porosity
  | chapter = Predicting reservoir system quality and performance [[file:predicting-reservoir-system-quality-and-performance_fig9-30.png|300px|thumb|{{figure number|1}}E
  12 KB (1,763 words) - 16:18, 5 April 2022
• Coal bed methane (UDip)
  ...or can be saturated with water. The system is then called a “dual-porosity reservoir”, one characterized by a complex interaction of the coal matrix and cleat [[Porosity]] (φ) is one of the physical characteristic of CBM reservoir. Porosity material is defined as the fraction of the bulk volume of materia
  10 KB (1,576 words) - 14:42, 2 April 2019
• Archie equation
  | chapter = Predicting reservoir system quality and performance ...lletns/1949-52/data/pg/0036/0002/0250/0278.htm Classification of carbonate reservoir rocks and petrophysical considerations]: AAPG Bulletin, vol. 36, no. 2, p.
  5 KB (703 words) - 13:52, 5 April 2022
• Reservoir simulation study
  | part = Reservoir engineering methods | chapter = Conducting a reservoir simulation study: an overview
  19 KB (2,711 words) - 17:48, 21 January 2022
• Mandal-Ekofisk(!) petroleum system
  ....org/detail.aspx?id=1022 AAPG Memoir 60], p. 537–571.</ref> The age of the reservoir rock ranges from Devonian to [[Tertiary]] age with about 85% of the petrole ...f petroleum. The synrift sedimentary section contains the source rock. The reservoir rock, seal rock, and overburden rock were deposited during the postrift per
  9 KB (1,184 words) - 18:46, 3 March 2016
• Petroleum reservoir fluid properties
  | part = Reservoir engineering methods | chapter = Petroleum reservoir fluid properties
  19 KB (2,721 words) - 21:21, 19 January 2022
• East Breaks deep-water exploration strategy
  ...In concert with detailed fault-pattern maps, the highly compartmentalized reservoir can be delineated and wells optimally located. Additionally, seismic facies ...to its regional depositional context as a means of understanding potential reservoir continuity.
  6 KB (902 words) - 16:00, 24 March 2022
• Relating traps to paleogeography
  ...rvoir]] interval, reservoir thickness, and fields (producing from the same reservoir interval) shows relationships between production and geology that may be us ...list below suggests a procedure for relating fields to paleogeography and reservoir thickness.
  11 KB (1,482 words) - 15:47, 21 March 2022
• Barnett shale play
  ...TRODUCTION.HTM History of the Newark East Field and Barnett Shale as a gas reservoir]: AAPG Bulletin, v. 91, no. 4, pp. 399-403.</ref> Development activity cont ...d arch–Fort Worth Basin province showing the distribution of source rocks, reservoir rocks, and seal rocks of the Barnett-Paleozoic Total Petroleum System. From
  6 KB (909 words) - 19:24, 14 March 2019
• 3-D seismic data: the data cube
  * Map view of [[Reservoir quality|reservoir properties]] ...r areal mapping of [[fault]] patterns and connections and delineation of [[reservoir]] blocks
  5 KB (813 words) - 19:05, 27 January 2022
• Carbonate diagenesis
  | chapter = Carbonate reservoir models: facies, diagenesis, and flow characterization ...ion and controls the productivity of depositional facies. In some cases, [[reservoir quality]] and flow characteristics are totally controlled by diagenesis, as
  23 KB (3,026 words) - 20:48, 19 January 2022
• Wireline formation testers
  Comparison with initial reservoir pressures in development wells may indicate zonal pressure depletion. Forma ...ig6.png|{{figure number|6}}Pretest pressure response measurements across a reservoir. Copyright: Schlumberger Well Services, 1981.
  10 KB (1,446 words) - 17:42, 18 January 2022
• Migration by solution in water
  ...se transport mechanism is then needed to accumulate these bubbles within a reservoir. ...are expected to be transported only tens of meters into a shale capping a reservoir, significant quantities of light hydrocarbons can diffuse into this section
  6 KB (915 words) - 15:16, 14 February 2022
• Fault plane profile construction
  ...{{figure number|2}}The fault plane profile with cross sealing at the fault/reservoir intersection in the lowest foot-wall sand. ...est foot-wall sand. Despite a sand/sand juxtaposition at the crest of this reservoir, the fault traps hydrocarbons at a cross sealing segment. Higher sands cont
  6 KB (834 words) - 14:51, 29 March 2022
• Reservoir quality
  | chapter = Reservoir quality ...apacity is characterized by the effective [[porosity]] and the size of the reservoir, whereas the deliverability is a function of the [[permeability]]. Effectiv
  18 KB (2,514 words) - 17:47, 21 January 2022
• Depositional systems tract
  ...or more for each depositional systems tract. These maps help us predict [[reservoir]] and [[seal]] rock as well as delineate probable [[migration]] avenues. Fr
  2 KB (215 words) - 15:43, 23 February 2022
• Austin Chalk, Tokio, and Eutaw Formations, U.S. Onshore Gulf Coast (USGS)
  ...Report 2012–5159, 26 p., https://doi.org/10.3133/sir20125159.</ref>. Shows reservoir rocks (Austin Chalk, Tokio and Eutaw Formations outlined in red), source ro ...in Texas, Louisiana, and Mississippi, the Austin Chalk exhibits continuous reservoir behavior. Pressure transmission through faults and fractures in the brittle
  6 KB (846 words) - 20:58, 6 April 2021
• Condensate banking effect
  ...king effect. Condensate occurs when either the reservoir pressure of a gas reservoir or the bottom-hole pressure falls below the dew point. Condensate is usuall |+ {{table number|1}}Classification of reservoir fluids and relevant field and laboratory data (Dandekar, 2006)
  21 KB (3,040 words) - 15:22, 12 December 2022
• Pore system shapes
  | chapter = Predicting reservoir system quality and performance [[Category:Predicting reservoir system quality and performance]]
  4 KB (528 words) - 13:53, 4 April 2022
• Production testing
  ...assess the degree of damage or [[stimulation]], to identify production and reservoir problems, or to satisfy the reporting requirements of regulatory bodies. Pr Drill stem tests (DSTs) are used to obtain (1) samples of the reservoir fluid, (2) measurements of static bottomhole pressure, (3) an indication of
  14 KB (2,165 words) - 18:42, 20 January 2022
• Rock physics analysis for reservoir identification
  ...iscriminate between the reservoir and non-reservoir lithology, predict the reservoir’s expected seismic response, and to observe the relations of such elastic ...s method can help solving such problems on a training dataset from clastic reservoir. The dataset is situated at a depth of 3,000-3,100 ft TVDSS in fluvial depo
  15 KB (2,356 words) - 18:00, 26 April 2022
• Petroleum system
  ...ses of petroleum geology, including: the essential elements ([[source]], [[reservoir]], [[seal]], and [[overburden rock]]) and processes ([[trap formation]], [[ * [[Reservoir]] rock
  5 KB (634 words) - 17:54, 25 January 2022
• Trap classification levels
  * Composition—the makeup of the [[reservoir]], [[seal]], or fluid that creates or defines the trap boundaries. ...r an isolated marine carbonate trap, was the closure formed because of the reservoir and seal facies relationships of a reef, an oolite bar, or a tidal channel?
  5 KB (665 words) - 18:47, 12 April 2022
• East Breaks source rock
  ...ils, one each from the ''Glob alt'' GA-3 reservoir and the ''Hyal B'' HB-2 reservoir, are very similar geochemically and closely resemble continental shelf oils ...ate from more deeply buried thermally mature rocks than those encasing the reservoir and therefore vertical migration has occurred.
  7 KB (1,080 words) - 17:44, 23 March 2022
• Fluid flow fundamentals
  | part = Reservoir engineering methods * ''p''_R = reservoir pressure
  20 KB (3,155 words) - 21:20, 19 January 2022
• Types of completions
  ...completion type should be closely coordinated with the development of the reservoir management plan. For example, the size, weight, and grade of the tubular go ...en hole completion is made. One cannot control the flow of fluids from the reservoir into the wellbore nor the [[injection profile]] in an open hole completion.
  13 KB (1,944 words) - 19:56, 18 January 2022
• Prudhoe Bay field
  | title = Horizontal Wells: Focus on the Reservoir ...rationally based reservoir-layering schemes (SMUT Units and Equity Zones). Reservoir properties are generalized, full-field values.
  11 KB (1,634 words) - 16:34, 26 April 2016
• Hydrodynamics: change in configuration
  ...lying water. If the tilt of the fluid contact exceeds the [[dip]] of the [[reservoir]]-[[seal]] interface on the down-potential (flow downdip) side of the trap, ...c effects, we can construct maps (potentiometric and hydrodynamic) for the reservoir horizons of interest. [[Hydrodynamic traps: mapping|Hydrodynamic mapping]]
  5 KB (625 words) - 15:31, 1 February 2022
• Carbonate sedimentary rocks classification
  Both classifications provide an indication of depositional energy setting and reservoir quality. ===Depositional Energy Setting and Reservoir Quality Indications===
  16 KB (1,986 words) - 14:09, 19 December 2023
• Molyneux:sandbox
  * [[Geophysical methods]] This is on the [[Reservoir modeling for simulation purposes]] page * [[Reservoir heterogeneity]]
  5 KB (543 words) - 23:45, 8 January 2015
• Fault seal behavior
  * A fault can juxtapose many individual [[reservoir]]s, and each fault-reservoir intersection can seal or leak independently.
  4 KB (598 words) - 19:47, 24 March 2022
• Fault seal and migration pathways
  ...ration maps that consist solely of [[dip]] arrows drawn on maps of the top reservoir can be very misleading. A migration pathway map must use the detailed infor
  2 KB (261 words) - 18:12, 29 March 2022
• Cross-leaking fault
  ...ll (high P_d), the OWC is higher than the free water level. In a reservoir with a lateral facies change, a fault can be cross leaking but still separa ...upta, and P. Westaway, 1984, The interpretation of interference tests in a reservoir with sealing and partially communicating faults: Society of Petroleum Engin
  8 KB (1,155 words) - 21:31, 24 March 2022
• Vibro-sesismic to increasing the production rate of coal bed methane
  ...ndured by the water.<ref>Seidle, J., 2011, Fundamentals of Coalbed Methane Reservoir Engineering. Oklahoma: Pennwell Corporation.</ref>]] ...T. Ariadji, and G. Handayani, 2005, Prediksi Perubahan Sifat Fisik Batuan Reservoir Dengan Studi Laboratorium Stimulasi Vibrasi Terhadap Contoh Batuan Lapangan
  11 KB (1,551 words) - 16:49, 11 January 2016
• Displacement pressure: theory vs. reality
  ...The actual column of hydrocarbon in the field in the Tar Springs Formation reservoir is [[length::29 m]] [[depth::(95 ft]]).
  4 KB (587 words) - 13:36, 1 April 2022
• Diagenetic traps: criteria for recognition
  ...from known production within a given facies (updip [[seal]] vs. downdip [[reservoir]]) ...se [[Wikipedia:Mesoporous material|mesoporous]] dolomites downdip form the reservoir facies.
  5 KB (611 words) - 21:06, 4 February 2022
• Suggested pages
  ** [[Introduction to reservoir engineering methods]]
  2 KB (215 words) - 20:43, 10 August 2015
• Fault seal quantitative prediction: shale smear factor, shale gouge ratio, and smear gouge ratio
  ...bute to [[fault seal]]s. Given certain information about a fault cutting a reservoir sequence, it is desirable to predict the likely [[Fault seal behavior|seali ...Calculation for a sequence of reservoir zones; Dz is the thickness of each reservoir zone and Vcl is the clay volume fraction in the zone.]]
  8 KB (1,307 words) - 16:05, 14 December 2016
• Pressure transient testing
  ...tests provide an opportunity to obtain estimates of the following well and reservoir properties: A single-rate flow test is run using the following procedure. Start with the reservoir at a uniform, stabilized pressure. Then place the pressure measuring device
  15 KB (2,314 words) - 17:45, 21 January 2022
• Black Warrior basin
  ...Alabama is a potentially large oil and gas province with numerous possible reservoir units. Oil and gas have been, or presently are, produced from the [[Cambro-
  2 KB (308 words) - 16:53, 26 March 2015
• Well completion
  ...ir to the surface so that fluids can be produced from or injected into the reservoir * Isolate the producing reservoir from other zones
  19 KB (2,910 words) - 21:06, 18 January 2022
• Oil and condensate analysis
  | Reservoir continuity ...racter of the petroleum (such as [[API gravity]] and gas to oil ratio) and reservoir conditions (such as pressure and temperature) must be considered so that re
  14 KB (2,013 words) - 16:48, 20 January 2022
• Workovers
  ...ualization to keep in mind is the very small wellbore size relative to the reservoir area to be drained by that well. A minor restriction (such as scale, fines, * Reservoir data gathering
  12 KB (1,834 words) - 15:25, 24 January 2022
• Parasequences (fourth- and fifth-order sequences)
  ...ycles 100,000–200,000 years in duration) to be the building blocks of most reservoir or field studies. ..., L. J., J. F. Sarg, and F. M. Wright, 1995, [[Sequence stratigraphy]] and reservoir delineation of the middle Pennsylvanian (Desmoinesian), Paradox basin and A
  5 KB (619 words) - 22:26, 3 February 2022
• Petroleum system identification
  ...to determine the amount of hydrocarbons in the petroleum system and which reservoir rock contains the most petroleum.
  2 KB (298 words) - 18:35, 25 January 2022
• Perforation design
  ...les through the well’s casing in expectation of connecting the well to the reservoir. Usually the pay zone or interest zone is the target for perforation. This * Drillstem test (DST): A test that detects the reservoir properties using a temporary downhole shut-in valve.
  12 KB (1,786 words) - 21:02, 21 April 2022
• Midale seal capacity and trap type
  | chapter = Predicting reservoir system quality and performance [[Category:Predicting reservoir system quality and performance]]
  5 KB (723 words) - 17:02, 12 April 2022
• Carbon dioxide (CO2) sequestration
  ...orage of captured CO₂ emissions in deep subsurface geological [[reservoir]]s. Carbon sequestration can be pursued as part of a portfolio of greenhous ! Reservoir type || Lower estimate of storage capacity (Gt CO₂ || Upper esti
  11 KB (1,644 words) - 21:07, 26 March 2015
• Fractured reservoir evaluation
  ...//wiki.seg.org/wiki/Dictionary:Anisotropy anisotropy]. Four basic types of reservoir fractures can be defined ([[:file:evaluating-fractured-reservoirs_fig1.png| {{quotation|''Type 1''—Provide the essential porosity and permeability to the reservoir
  26 KB (3,674 words) - 21:21, 19 January 2022
• Subsurface maps
  ...epositional environments]] and [[Diagenesis|diagenetic]] events to project reservoir data away from relatively few well control points. In this sense, subsurfac
  22 KB (3,076 words) - 13:56, 24 January 2022
• Borehole gravity applications: examples
  ...s.aspx?LookIn=term%20name&filter=gas-oil%20contact gas-oil contact] in the reservoir away from wells. [[Borehole gravity]] can determine the shape of the gas co ...e in the range of a possible [[well completion]] after hydrofracturing the reservoir. In Case #4 the missed pay is about [[length::1 m]] from the well, and the
  11 KB (1,596 words) - 18:08, 24 January 2022
• Formation water density
  ...f the formation water and is given in metric units (g/cm³). For reservoir engineering calculations, it is considered equivalent to specific [[gravity ...ocedure outlined in the table below to estimate formation water density at reservoir conditions using R_w. The approximate error is ±10% (after <ref
  5 KB (714 words) - 15:19, 13 September 2022
• Fault seal-conduit studies
  ...sition, lithology juxtapositions along faults, [[hydrocarbon]] type, and [[reservoir]] pressure. ...tapages.com/data/bulletns/1998/03mar/0387/0387.htm Fluid flow in a faulted reservoir system: fault trap analysis for the Block 330 field in Eugene Island, South
  5 KB (638 words) - 14:17, 2 February 2022
• Fault seal analysis for reservoir development
  ...seal analysis is used to determine the level of connectivity of a separate reservoir due to fault segments. This is controlled by the permeability and porosity * Juxtaposition position alignment, where the sandstone reservoir is aligned with rocks that have low permeability (clay / shale) with high p
  14 KB (2,146 words) - 19:35, 13 September 2022
• 2014 wiki write off
  ...the Inaugural Wiki Write Off with their article on [[Well log analysis for reservoir characterization]]!
  2 KB (257 words) - 19:24, 27 July 2015
• Reservoir fluids
  | part = The Production Geologist and the Reservoir | chapter = Reservoir Fluids
  22 KB (3,508 words) - 20:34, 3 March 2016
• Checkshots and vertical seismic profiles
  ...images can be reliably converted to the depth images that are needed to do reservoir volumetric calculations. ...eomety is often used to produce seismic images that traverse portions of a reservoir near survey wells.
  11 KB (1,599 words) - 20:48, 19 January 2022
• Micropermeable seal leakage
  ..., vol. 67, p. 201–234.</ref> Because capillary pressures at the top of the reservoir exceed 180 psi, the intact membrane seal is probably leaking.
  5 KB (742 words) - 17:11, 1 February 2022
• Reef
  ...and Hart.<ref>Hart, B. S., and Balch, R. S., 2000, Approaches to defining reservoir physical properties from 3-D seismic attributes with limited well control:
  2 KB (298 words) - 21:30, 21 November 2014
• Subsurface diagenesis and its relation with diagenetic trap on carbonate rocks reservoir
  ...neomorphism. Soil and low weathering zone are not always important as the reservoir rocks, because the porosity size of matrix in carbonate is relatively small ...S or organically acid. Burial dissolution makes the lower burial-carbonate reservoir to have porosity and permeability which can produce hydrocarbon, though sta
  16 KB (2,395 words) - 21:18, 9 January 2024
• Braided fluvial reservoirs
  | part = The Production Geologist and the Reservoir ...showing effectively layer-cake geometry and acting as a single integrated reservoir at the larger scale.<ref name=Gallowayandhobday_1996>Galloway, W. E., and D
  13 KB (1,859 words) - 21:29, 12 March 2019
• Siliciclastic shorelines and barrier island reservoirs
  | part = The Production Geologist and the Reservoir ...n St. Cyrus Beach, Scotland. The beach is just over a hundred meters wide. Reservoir properties are influenced by the degree of wave reworking up the shoreface
  18 KB (2,607 words) - 15:33, 15 January 2024
• Tectonic setting
  ...in which the play can be pursued, from a structural as well as source and reservoir perspective. We identify regions with the correct tectonic setting by using
  2 KB (309 words) - 18:48, 3 February 2022
• Lithofacies analysis
  ...with [[porosity]] and [[permeability]] data (if available) from potential reservoir and seal intervals.
  2 KB (317 words) - 18:52, 4 February 2022
• Types of wells
  ..., drilling wells was a simple operation. A well location was picked at top reservoir, and the well was drilled directly down to the target as a vertical well. T ...greater than 80deg, with the intent of keeping the well within a specific reservoir interval or hydrocarbon zone.]]
  22 KB (3,567 words) - 17:20, 11 March 2019
• Methods for obtaining formation fluid pressures
  * Using reservoir bottom-hole pressure buildup tests
  2 KB (295 words) - 17:54, 17 February 2022
• Superimposed sea level cycles
  ...transport significant volumes of sand into the basin, depositing potential reservoir facies. Transgressive phases of siliciclastic deposition are likely to depo ...nd deltaic sediments forming broad coastal plains with potential sandstone reservoir facies.
  11 KB (1,469 words) - 15:06, 5 January 2024
• Near-surface destruction
  * Inoculation of the reservoir by a microbial community that can degrade the oil ...ntitative model of biological petroleum degradation within the Brent Group reservoir in the Gullfaks field, Norwegian North Sea: Organic Geochemistry, vol. 19,
  8 KB (1,193 words) - 18:51, 1 February 2022
• Reducing exploration risk
  ...ludes the reservoir and seal rocks and the trapping geometry formed by the reservoir–seal interface. '''Timing''' is whether the trap formed before the petrol ...pendent) must be evaluated. For example, if a trap is to be evaluated, the reservoir rock must be mapped carefully and its properties predicted using geologic p
  8 KB (1,240 words) - 20:43, 25 January 2022
• Structural play geology
  ...on structural geometry and ignore the other three elements. Timing, seal, reservoir, and process are what relate structural geometry to the petroleum system. ...curately contour the top of the [[reservoir]] near the fault trace on that reservoir.
  18 KB (2,422 words) - 14:21, 2 February 2022
• Haynesville and Bossier Shales (Upper Jurassic), East Texas and Northwest Louisiana
  ...initial production ranging from 3 to 30 MMCFE/day (Wang and Hammes, 2010). Reservoir depth ranges from 9,000 to 14,000 ft (3000–4700 m), and lateral drilling
  4 KB (628 words) - 23:05, 3 March 2022
• Burial destruction
  ...t have been gasified, the presence of pyrobitumen can significantly reduce reservoir [[permeability]] due to gas or condensate. * Analyzing geohistory or mapping maturation indicators can identify reservoir maturation levels where methane [[accumulation]]s may be uneconomic. Most s
  11 KB (1,525 words) - 18:50, 1 February 2022
• Mapping unconformities
  ...d above (onlap traps) or below (truncation traps) the unconformity. Seals, reservoir-quality rocks, and shows should be evaluated in terms of their relationship ...ations for truncation or onlap traps on the basis of the location seal and reservoir-quality rocks.
  7 KB (977 words) - 20:39, 4 February 2022
• Fault plane profile
  ...{{figure number|2}}The fault plane profile with cross sealing at the fault/reservoir intersection in the lowest foot-wall sand. ...est foot-wall sand. Despite a sand/sand juxtaposition at the crest of this reservoir, the fault traps hydrocarbons at a cross sealing segment. Higher sands cont
  9 KB (1,461 words) - 21:57, 28 March 2022
• Diagenetic impact on traps
  ...g|Figure 1]], both [[lateral]] and top seals in the [[Carbonate|dolomite]] reservoir were created by [[anhydrite]] cementation during early diagenesis. Primary
  2 KB (297 words) - 21:06, 3 February 2022
• Seismic data interpretation - recurring themes
  * [[Rock properties|Rock]] and [[Petroleum reservoir fluid properties|fluid properties]] ...oth traveltime and amplitude, and [[Rock properties|Rock]] and [[Petroleum reservoir fluid properties|fluid property]] information lies in the amplitude and wav
  5 KB (739 words) - 18:51, 27 January 2022
• Weyburn seal capacity
  | chapter = Predicting reservoir system quality and performance ...king trap model for Weyburn field is that of a macroporous vuggy packstone reservoir lying downdip from a microporous intercrystalline [[mudstone]] seal. How mu
  10 KB (1,484 words) - 20:55, 4 December 2023
• Production problems
  ...ore will not cone in the unwanted fluids. Flow performance calculations or reservoir models can be used to help predict the optimum production rates. However, b ...1: The Oil and Gas Journal, September 3, p. 66-70.</ref> evaluated various reservoir and completion scenarios and determined that increasing the well penetratio
  16 KB (2,540 words) - 18:41, 20 January 2022
• Drilling a well
  ...the surface for retrieval. Several coring trips may be required to core a reservoir interval of interest. Given the trip time for coring and the expensive rig ...response. For instance, some wireline logs will allow the porosity of the reservoir interval to be determined. Porosity is the fraction or percentage of the vo
  15 KB (2,385 words) - 15:05, 1 August 2016
• Surficial geochemical survey objectives
  ...undtree, B., 1997, Applying high-resolution surface geochemistry to assess reservoir compartmentalization and monitor hydrocarbon drainage, in Kruizenga, R., J.
  8 KB (1,055 words) - 16:29, 25 January 2022
• Macroseepage vs. microseepage in surficial geochemistry
  ...arance and reappearance of soil gas and microbial anomalies in response to reservoir depletion and repressuring. ...dium is as a continuous-phase, buoyancy-driven gas flow within carrier and reservoir rocks and capillary imbibition in the transition from sources and seals int
  6 KB (754 words) - 22:07, 24 January 2022
• Overview of routine core analysis
  ...voir unit. The knowledge gained from cores enhances our ability to predict reservoir performance and to select procedures to maximize profitable hydrocarbon rec ...ur times per meter.<ref name=pt05r114>Monicard, R. P., 1980, Properties of Reservoir Rocks—Core Analysis: Houston, Gulf Publishing Company, 168 p.</ref> Varia
  14 KB (2,121 words) - 21:16, 19 January 2022
• Thin section analysis
  ...or gas field provides unique information regarding [[reservoir quality]], reservoir homogeneity, and in some cases, the potential for [[Rock-water reaction: fo ...often recovers little sample, particularly in the most porous parts of a [[reservoir]], and commonly induces [[fracture]]s and disrupted fabrics within samples.
  24 KB (3,264 words) - 15:09, 24 January 2022
• Kingfisher field
  | chapter = Reservoir Geology of the Upper Jurassic Brae Sandstone Member, Kingfisher Field, Sout ...Garland, C. R., P. Haughton, R. F. King, and T. P. Moulds, 1999, Capturing reservoir heterogeneity in a sand-rich submarine fan, Miller field: Geological Societ
  16 KB (2,358 words) - 16:28, 11 January 2024
• East Breaks hydrocarbon accumulation model
  ...ovided [[Calculating charge volume|petroleum charge]] into the intersected reservoir sandstones. ...above each reservoir interval. Only the lower ''Trim A'' and ''Glob alt'' reservoir sandstones are well developed in this well. The depositional model for a de
  8 KB (1,015 words) - 16:59, 23 March 2022
• Well types
  | part = The Production Geologist and the Reservoir ...drilling wells was a simple operation. A well location was picked at top [[reservoir]], and the well was drilled directly down to the target as a vertical well.
  24 KB (3,753 words) - 19:33, 3 March 2016
• Utilization of the industrial revolution 4.0 in oil and gas exploration
  ...l us about the subsurface structure, which in turn, we can infer about the reservoir characteristics. Geoscientists use immense data that they have at their dis ...the industry. Other machine learning approaches are used in well log-based reservoir characterization to develop predictive models for water saturation, which i
  21 KB (3,096 words) - 20:59, 21 April 2022
• Mowry Shale, Powder River Basin, Wyoming
  ...n core and outcrop<ref>Hollon, Z.G., 2014, Elemental chemostratigraphy and reservoir properties of the Mowry Shale in the Bighorn and Powder River basins, Wyomi ...’s production to slowly increase as EOG and other operators delineate this reservoir.
  4 KB (677 words) - 17:14, 22 December 2023
• Capillary pressure
  * Reservoir rock quality * Depth of the reservoir [[fluid contacts]]
  23 KB (3,315 words) - 16:59, 19 January 2022
• Measurement while drilling
  Measurement while drilling technology has become an important tool for reservoir evaluation in the past 10 years. [[Basic open hole tools#Gammy ray|Gamma ra ...ormation tops or coring intervals that are not essential for geological or reservoir evaluation.
  8 KB (1,083 words) - 21:18, 19 January 2022
• Petroleum system size
  ! Field Name || Discovery Date || Reservoir Rock || [[API gravity|API Gravity]] (°API) || Cum. Oil Production (x10<sup
  2 KB (317 words) - 19:15, 25 January 2022
• China Shale Gas & Liquids - Sichuan Basin
  ...ceeding 200×103 m3. In order to achieve big breakthrough in the deep shale reservoir exploration, it is of great important to innovate drilling technologies and
  7 KB (985 words) - 18:54, 4 December 2023
• Structural fairway prospectivity
  * Presence of [[Source rock|source]] and reservoir facies
  3 KB (340 words) - 18:50, 3 February 2022
• Displacement pressure estimation from pore size
  ...e determination of pore structure and application to fluid displacement in reservoir rocks, in J. Kleppe, E. W. Berg, A. T. Buller, O. Hjemeland, and O. Torsaet ...curves and the interpretation of pore structure and capillary behavior in reservoir rocks: Canadian Petroleum Geology Bulletin, vol. 24, no. 2, p. 225–262.</
  5 KB (766 words) - 22:55, 2 February 2016
• Wettability
  ...=pt05r134>Raza, S. H., Treiber, L. E., Archer, D. L., 1968, Wettability of reservoir rocks and its evolution: Producers Monthly, v. 32, p. 2–7.</ref>)]] ...id confined between two surfaces.<ref name=pt05r39>Craig, F. F., 1971, The reservoir engineering aspects of waterflooding: Dallas, TX, Society of Petroleum Engi
  12 KB (1,706 words) - 15:11, 24 January 2022
• Trap geometry: changes
  ...lation]] in an early duplex but displaces the accumulation relative to the reservoir rock. Modified from Mitra;<ref name=Mitra1986>Mitra, S., 1986, [http://arch ...mulation in an early duplex but displaces the accumulation relative to the reservoir rock. The stippled area outlining the initial accumulation is fixed relativ
  6 KB (845 words) - 15:29, 1 February 2022
• Austin Chalk, onshore U.S. Gulf Coast
  ...). The Austin Chalk reservoir is traditionally known as a low-permeability reservoir charged by the underlying prolific Eagle Ford Group, producing oil and gas ...ironments associated with regional and local tectonics. Most recently, the Reservoir Characterization Research Laboratory (RCRL) project at the Bureau of Econom
  8 KB (1,200 words) - 21:22, 3 March 2022
• Seismic scale importance
  ...much more difficult because of the wavelength of the seismic wave vs. the reservoir thickness.
  2 KB (346 words) - 21:06, 3 February 2022
• Borehole gravity: uses, advantages, and disadvantages
  * Evaluating reservoir [[porosity]], especially in carbonate reservoirs where other tools are not
  3 KB (351 words) - 15:11, 31 January 2022
• East Breaks petroleum system
  * [[East Breaks reservoir rock]]
  3 KB (378 words) - 18:45, 21 March 2022
• Pressure detection
  Normal reservoir pressure is the pressure in the [[reservoir fluids]] necessary to sustain a column of water to the surface.<ref name=pt ...as where there has been uplift and erosion since the sediments forming the reservoir were deposited and lithified.
  16 KB (2,450 words) - 21:42, 20 January 2022
• Eolian reservoirs
  | part = The Production Geologist and the Reservoir ...ed sandstones. They are normally the most productive lithofacies in eolian reservoir systems. Flatter-lying eolian sand sheets may be found along the margins of
  19 KB (2,690 words) - 18:42, 1 August 2016
• Paleoenvironmental analysis
  ...his information can help identify regions of greater potential for fluvial reservoir sands. ...ents. This improves the understanding of the [[lateral]] continuity of the reservoir and its susceptibility to diagenetic changes.
  10 KB (1,252 words) - 19:55, 31 January 2022
• Well log analysis for reservoir characterization
  ...carbon volume, and many others. Some approaches are needed to characterize reservoir, by using well log data, the user may be able to calculate: ...og data. Basically, there are two types of properties that will be used in reservoir characterization, they are petrophysics (shale volume, water saturation, pe
  25 KB (3,679 words) - 21:17, 13 March 2019
• Deep-water marine reservoirs
  The reservoir quality of deep-marine sandstones is among the best of the various sediment |+ {{Table number|1}} Factors influencing connectivity and reservoir development in deep-water marine reservoirs.
  20 KB (2,850 words) - 15:33, 15 January 2024
• Introduction to biosteering operation
  ...biosteering options can be explored. Biosteering is envisioned to maximize reservoir contact through horizontal drilling. ...x|{{figure number|3}}Biosteering through a thin reservoir layer maximizing reservoir contact for increased production.<ref name=Fadiya_2014 />]]
  20 KB (2,916 words) - 21:04, 21 April 2022
• Top seal integrity: Central Graben example
  ...draulic fracturing. Traps that were dry ue to other causes such as lack of reservoir or source are not included in this plot.]] ...aulic fracturing]]. Traps that were dry ue to other causes such as lack of reservoir or source are not included in this plot.
  6 KB (910 words) - 15:44, 30 March 2022
• Designing a surficial geochemical survey
  ...well penetrated the target horizon and found it water wet (or lacking the reservoir facies). .... Roundtree, 1997, Applying high-resolution surface geochemistry to assess reservoir compartmentalization and monitor hydrocarbon drainage, in R. J. Kruizenga,
  6 KB (826 words) - 17:33, 25 January 2022
• Static oil pressure gradient estimation
  ...estimated to useful accuracy if stock tank [[API gravity]] and [[Petroleum reservoir fluid properties#Solution gas-oil ratio (GOR)|solution gas-oil ratio (GOR)]
  3 KB (355 words) - 15:18, 17 February 2022
• Vaca Muerta, La Luna Shale, South America
  ...aapg-sp2120201.htm Sedimentology, depositional model, and implications for reservoir quality], ''in'' D. Minisini, M. Fantín, I. L. Noguera, and H. A. Leanza, ...ickly acquired, companies began to evaluate the potential for high quality reservoir units in other parts of the depositional system.
  11 KB (1,644 words) - 16:14, 11 May 2023
• Mancos Shale Play in New Mexico
  * The “Tocito marine bar play” is a halo play, targeting low-quality reservoir adjacent to the conventional Tocito oil pools that were mostly developed in ...hale play” targets shales and shaly sandstones, including both low-quality reservoir rocks and Type II-III source rocks. As such, it is best described as a hybr
  6 KB (985 words) - 20:14, 2 June 2021
• East Breaks hydrocarbon generation model
  ...indicated for the ''Hyal B'' HB-2 reservoir and for the ''Glob alt'' GA-3 reservoir. Rock cutting samples from intervals indicated by A and B were used by Dow
  6 KB (850 words) - 15:33, 23 March 2022
• Diffusive seal leakage
  ...illet, A. Pucheu, and J. Caltagirone, 1993, Diffusion model for predicting reservoir gas losses: Marine and Petroleum Geology, vol. 10, p. 51–57., 10., 1016/0
  3 KB (410 words) - 18:03, 1 February 2022
• Seal capacity and two-phase hydrocarbon columns
  ...placement pressure]] (P_d) of the seal. The [[Buoyancy forces in reservoir fluids|buoyant effect]] of the oil column, however, is less than that of a
  3 KB (445 words) - 20:56, 31 March 2022
• Underpressure causes
  The major factor causing underpressure is the cooling of [[Petroleum reservoir fluid properties|pore fluids]] as they are uplifted and the [[overburden]]
  3 KB (390 words) - 16:23, 16 February 2022
• Stratigraphic predictions from computer simulation
  ...istributions of potential organic-rich [[source rock]], [[seal]] rock, and reservoir rock. ...is achieved, it can be used to infer the distribution of source, seal, and reservoir rock between well control and beyond into undrilled areas.
  7 KB (895 words) - 16:18, 24 March 2022
• Natural hydraulic fracturing example, North Sea
  ...[[Show evaluation|shows]] exist throughout the sediment column above the [[reservoir]]. These hydrocarbons are direct evidence of a breached top seal.
  3 KB (430 words) - 19:46, 30 March 2022
• Oil-oil and oil-source rock correlation
  * Addressing problems of [[reservoir]] continuity
  3 KB (422 words) - 22:05, 14 February 2022
• Biostratigraphic applications in hydrocarbon exploration
  ...quick and logistically simple ways to determine the ages of sedimentation, reservoir characterization, correlation and well site operation where field specific ...ploration, importance is highlighted in the stratigraphic trap evaluation (reservoir pinch out onto or beneath an unconformity surface will provide a trapping m
  14 KB (1,899 words) - 21:03, 21 April 2022
• Systems tracts and trap types
  ...ances the potential for focused [[migration]] of hydrocarbon fluids to the reservoir facies.<ref name=ch04r69>Mitchum, R., M., Jr., 1985, Seismic stratigraphic ...the preceding shelf edge can provide lateral seal, the prograding complex reservoir facies may become charged with hydrocarbons even without structural enhance
  9 KB (1,239 words) - 16:58, 24 February 2022
• Diagenetically complex reservoir evaluation
  ...r reposition the locations of such wells, selectively perforate and inject reservoir units, manage zones on an individual basis, and revise decisions regarding ...f cementation, compaction, replacement, dissolution, and fracturing. For a reservoir to be considered complex, the diagenetic inhomogeneities must exhibit a com
  31 KB (4,171 words) - 18:22, 21 January 2022
• Pinedale field
  | title = Pinedale Field: Case Study of a Giant Tight Gas Sandstone Reservoir ...y <10%) and very low (micro-Darcy) permeability. The tight nature of these reservoir rocks makes it difficult for gas to move laterally and vertically for signi
  16 KB (2,521 words) - 17:13, 29 January 2016
• Ellesmerian(!) petroleum system
  ....org/detail.aspx?id=1022 AAPG Memoir 60], p. 339–358.</ref> The age of the reservoir rock ranges from Mississippian to early [[Tertiary]]. Total organic carbon ...analysis ([[:file:petroleum-systems_fig3-16.png|Figure 5A]]) from the main reservoir rock, Sadlerochit Group, of [[Prudhoe Bay field]] shows that the oil origin
  10 KB (1,241 words) - 20:11, 25 January 2022
• Sandstone sedimentology and stratigraphy
  ...n, cementation and dissolution also change these variations and affect the reservoir quality. Hence good analytical interpretations, research, innovativeness an Sandstone is most significant type of petroleum reservoir rock in over 60% of the world’s giant fields; composed of mainly [[quartz
  27 KB (3,802 words) - 19:32, 9 January 2024
• Cross-well electromagnetic tomography monitoring of fluid distribution
  ...name=Schlumberger_2009>Schlumberger, 2009, DeepLook-EM Enhanced crosswell reservoir monitoring system: Schlumberger.</ref>]] * Reservoir surveillance.
  18 KB (2,715 words) - 18:29, 8 February 2024
• Critical elements application: Niobrara example
  ...chanisms and recovery#Gravity drainage|gravity drainage]] provide the main reservoir energy, so the structural position of a well is not a critical factor. [[Fo ...acture damage. The Niobrara is an [[Causes of underpressure|underpressured reservoir]] with [[Geostatic and lithostatic pressure|petrostatic]] (0.33 lb/ft gradi
  7 KB (962 words) - 16:03, 18 February 2022
• Maturation
  ...ipedia:Fluid dynamics|fluid flow]], rock matrix chemistry, and [[Petroleum reservoir fluid properties|pore fluid chemistry]] can affect the thermal history and
  3 KB (421 words) - 18:26, 9 February 2022
• Fluid inclusions: analysis and applications
  ...id inclusions (HCFIs) encapsulate accumulating or migrating oil and gas at reservoir conditions, which allows for the original fluid composition and trapping t ...991. Analysis of petroleum fractions by TLC-FID: applications to petroleum reservoir description. Organic Geochemistry 17, 603-617.</ref>
  20 KB (2,691 words) - 21:06, 21 April 2022
• Core handling
  ...tents. Speed is important when handling hard rock to prevent alteration of reservoir and character fluids. In contrast, patience is paramount when handling soft ...ll negate the ability to measure [[porosity]], [[permeability]], and other reservoir properties accurately. The sediment can be disturbed in several ways:
  7 KB (1,083 words) - 20:50, 19 January 2022
• Stimulation
  The first case, low formation permeability, requires a reservoir stimulation technique, which can be either hydraulic fracturing or acid fra ...rage effective permeability of 1 mD (millidarcy) or less generally require reservoir stimulation methods, while those having effective permeabilities of 10 md o
  24 KB (3,633 words) - 13:55, 24 January 2022
• Mudlogging: drill cuttings analysis
  * Reservoir and lithological description ...ed so that better samples can be obtained and used to evaluate prospective reservoir zones and casing or kick-off points.
  10 KB (1,482 words) - 15:25, 24 January 2022
• Lithofacies maps
  ...in the depositional patterns that make up each genetic sequence within the reservoir interval. The method for constructing lithofacies maps involves extrapolati ...ris, and G. P. Eberlie, eds., Integration of outcrop and modern analogs in reservoir modeling: [http://store.aapg.org/detail.aspx?id=658 AAPG Memoir 80], p. 1-2
  21 KB (3,139 words) - 16:54, 6 April 2016
• Israel petroleum systems
  ...urce data of the Helez field (5) includes the combined amount in all three reservoir levels. The amount of recoverable resources in some of the small onshore fi ...|| Petroleum System || Year of Discovery || Reservoir Name or Formation || Reservoir Type || Hydrocarbon Type || Trap Type || Source Rock || Seal Rock || Produc
  10 KB (1,276 words) - 21:00, 19 July 2016
• Facies map
  ...> We map [[reservoir system]] thickness (1) to compare the distribution of reservoir-system thickness and field location and (2) to identify or predict location # Map areas of potential [[reservoir]] and [[seal]] [[Lithofacies|facies]] that occur between two isochronous su
  15 KB (2,070 words) - 20:34, 7 July 2016
• Oil correlation case history: Zala basin, Hungary
  ...ructure) [[migration]] from a middle Miocene source into an Upper Triassic reservoir, as would be necessary to justify a significant middle Miocene contribution ...ally reasonable, with a [[migration pathway]] available between source and reservoir at the time migration occurred.
  7 KB (1,092 words) - 13:46, 16 February 2022
• Trap leakage
  ...and hydrocarbon-wet seals|oil-wet seals]] or by capillary pressure of the reservoir exceeding displacement pressure of the seal in a water-wet seal. [[Accumula
  3 KB (445 words) - 16:58, 1 February 2022
• AAPG Wiki:Editing the main page
  | link3 = Carbonate reservoir models: facies, diagenesis, and flow characterization{{!}}Carbonate diagene
  3 KB (553 words) - 13:43, 1 July 2014
• Risk: expected value and chance of success
  # ''What is the probability (or confidence) that '''[[reservoir rock]] '''is present, of sufficient [[porosity]] and [[permeability]] to be ...ere a 10-ft-thick porous sandstone objective had been predicted would be a reservoir failure!
  22 KB (3,173 words) - 19:27, 19 January 2022
• Seismic interpretation
  ...r type of data that sheds light on the geological conditions of a specific reservoir is pressure and production history data. These data can provide information * Seismic facies maps for reservoir, source, or seal analysis
  10 KB (1,520 words) - 18:48, 21 January 2022
• Synthetic seismograms: correlation to other data
  ...ally done over some limited interval in the well, probably centered on the reservoir target. If the fit is not good enough, then the parameters are changed (upd
  3 KB (486 words) - 19:10, 27 January 2022
• Borehole imaging devices
  ...[lithofacies]] types, [[fold]]s, [[fault]]s, and [[fracture]]s influencing reservoir compartmentalization, extent, and performance. ...le-imaging-devices_fig3.png|Figure 3]]) and to a lesser degree for layered reservoir analysis ([[:file:borehole-imaging-devices_fig4.png|Figure 4]]). The transi
  10 KB (1,313 words) - 16:24, 18 January 2022
• Seismic inversion
  ...channel zone. The lightly shaded areas show low velocity material in which reservoir sands are present. Copyright: Western Geophysical. ...that this well is obviously mispositioned with respect to the low velocity reservoir material.
  8 KB (1,196 words) - 18:48, 21 January 2022
• Relationship between porosity and permeability on fractured basement reservoir
  ...sed for a intercrystalline- intergranular porosity formation. However, the reservoir problem does not include both of the another porosity system types. Porous ...elation cannot be used for hydraulic channel identification or fracture on reservoir body.
  29 KB (4,601 words) - 16:09, 12 April 2016
• South Pass 62 field
  | title = Horizontal Wells: Focus on the Reservoir ...|Figure 3]]). A 3-D seismic-based field study completed in 1994 identified reservoir targets for the horizontal-drilling program. Cumulative production from blo
  9 KB (1,290 words) - 21:18, 19 October 2016
• Paleontology
  ...f the drilled |strata and thus play a role in predicting the location of [[reservoir]]s, [[source rock]]s, and [[pinch out|pinch-out]] of porous strata. Knowing the age and thickness of the strata enables prediction of depth to reservoir or [http://www.glossary.oilfield.slb.com/en/Terms.aspx?LookIn=term%20name&f
  17 KB (2,331 words) - 20:11, 10 August 2016
• Dip-leaking fault
  ...tact coincides with the intersection of the fault plane and the top of the reservoir. As shown in [[:file:evaluating-top-and-fault-seal_fig10-10.png|Figure 1]], ..., Effect of horizontal and vertical permeability restrictions in the Beryl reservoir: Journal of Petroleum Technology, vol. 43, p. 1502–1509., 10., 2118/19299
  8 KB (1,130 words) - 17:14, 28 March 2022
• East Breaks trap formation
  ...m: physical models for deposition of turbidites and their implications for reservoir prediction, in A. J. Hartley, and D. J., Prosser, eds., Characterization of ...loway, W. E., and T. A. McGilvery, 1995, Facies of a submarine canyon fill reservoir complex, lower Wilcox Group (Paleocene), central Texas coastal plain, in R.
  7 KB (1,022 words) - 21:54, 22 March 2022
• Fracking
  Fracking technique begins by drilling vertically up to the target reservoir layer. Drilling is then followed by the installation of a protective casing
  3 KB (484 words) - 21:18, 27 March 2019
• Sedimentary basin analysis
  ...ales of subbasinal entities and their relationship to petroleum source and reservoir rocks. A history of progressive [[growth fault]]ing and salt mobility contr
  4 KB (512 words) - 16:26, 18 February 2022
• Oilfield water analysis
  ...le to recover. (For more on properties of reservoir water, see [[Petroleum reservoir fluid properties]].)
  7 KB (1,011 words) - 16:57, 20 January 2022
• Taphonomy and provenance
  The recognition of reworked fossils helps to (1) assess reservoir continuity and (2) interpret depositional models of the source area and of
  3 KB (449 words) - 18:12, 31 January 2022
• Rock-water reaction
  ...duction, that is, formation damage, can result from the interaction of the reservoir rock with extraneous [[drilling]], [[completion]], [[stimulation]], or [[en ...l value after exposure to 20 pore volumes of proposed injected brine. Good reservoir management requires that injected volumes equal produced volumes; therefore
  17 KB (2,356 words) - 19:24, 19 January 2022
• Top and fault seal evaluation
  ...sis using drainage areas defined by simple structure-depth maps on the top reservoir can be very misleading. Plays appear and disappear in response to seal beha
  4 KB (528 words) - 17:48, 24 March 2022
• Using a tectonic history model for petroleum system analysis
  ...drocarbons from deeply buried mature Mesozoic [[source rock]]s upward into reservoir rocks of Jurassic, Cretaceous, and Cenozoic age.
  4 KB (518 words) - 16:35, 22 February 2022
• Natural-gas liquids
  Natural-gas liquids (NGL) are hydrocarbons that exist as gas in the reservoir but become liquid at surface pressure and temperature conditions. They are
  4 KB (549 words) - 16:31, 25 June 2015
• Drill stem testing
  * reservoir pressure (''P''*) ...fluid]]s and should be used in designing the mud program. The anticipated reservoir properties are used to design the test string and test times so that the be
  26 KB (4,009 words) - 15:09, 24 January 2022
• Sequence stratigraphy
  ...em continuity and trend directions and (2) improved methods for predicting reservoir system, source, and sealing facies away from well control.<ref name=ch21r47
  8 KB (1,093 words) - 21:21, 3 February 2022
• Hydrodynamic flow and pressure transients
  ...enum Press, 308 p.</ref> Flow in the direction of the [[Buoyancy forces in reservoir fluids|buoyant vector]] decreases the seal capacity. Flow opposite the dire
  4 KB (477 words) - 14:34, 1 April 2022
• Oil correlation
  * Addressing problems of reservoir continuity ...n source rocks, possible mixing of oils from different sources in a single reservoir, and the intrinsic differences between oils and source rock bitumens. These
  9 KB (1,313 words) - 22:06, 14 February 2022
• Structural lead and prospect delineation
  | Reservoir ||
  4 KB (511 words) - 18:50, 3 February 2022
• Fault seal breakdown during production
  * [[Reservoir simulations and field unitization]]
  4 KB (530 words) - 15:21, 30 March 2022
• Expulsion efficiency estimation
  ...tely, much of this is gas lost due to solution and does not participate in reservoir[[Calculating charge volume| charging]]. For both oil and gas, expulsion eff
  4 KB (569 words) - 21:54, 14 February 2022
• Structurally complex reservoirs: evaluation
  ...ust be accurately delineated since they can effectively compartmentalize a reservoir. Maps and sections must be integrated so that they agree with each other, a ...ult plane section illustrating the synclinal and cross fault spill points. Reservoir beds are shown hatchured, whereas seal horizons are shown white. Note the e
  20 KB (2,865 words) - 19:24, 19 January 2022
• Lithofacies and environmental analysis of clastic depositional systems
  ...become important for [[Predicting reservoir system quality and performance|reservoir evaluation]]. One of the first steps in the [[facies analysis]] of a clastic reservoir is the description and interpretation of available conventional core.<ref n
  38 KB (5,198 words) - 22:11, 15 January 2024
• Electrical methods
  ...aminants and the monitoring of [[enhanced oil recovery]] (EOR) projects to reservoir delineation and the evaluation of geological stratigraphy and structure. Th ..., with pore configuration also playing a part. Of lesser importance at oil reservoir depths is the temperature of the formation. Oil and/or gas, when present, o
  15 KB (2,130 words) - 21:19, 19 January 2022
• Meandering fluvial reservoirs
  | part = The Production Geologist and the Reservoir ...can be made from core and log data as to the overall geometry of a fluvial reservoir in the subsurface (e.g., Bridge<ref name=Bridge_2003>Bridge, J. S., 2003, R
  32 KB (4,727 words) - 21:03, 15 January 2024
• Conventional coring
  ...s of obtaining high quality samples for the direct measurement of rock and reservoir properties. Cores provide both geological and engineering information, and ...btaining core-based oil saturation information, pressure cores also retain reservoir gases. Current tools are designed to cut up to a 20-ft length of 2.5-in.-di
  13 KB (1,885 words) - 20:49, 19 January 2022
• Rock-water reaction: formation damage
  ...duction, that is, formation damage, can result from the interaction of the reservoir rock with extraneous drilling, completion, [[stimulation]], or enhanced rec ...l value after exposure to 20 pore volumes of proposed injected brine. Good reservoir management requires that injected volumes equal produced volumes; therefore
  17 KB (2,380 words) - 18:23, 21 January 2022
• Bakken and Three Forks Formations, Williston Basin, North Dakota and Montana (USGS)
  ...ately 11% total organic carbon and consist of type-II kerogen. The primary reservoir targets are low-porosity and low-permeability members of the middle Bakken | Reservoir Type || Shale, silt, dolostone, sandstone, limestone
  11 KB (1,595 words) - 20:20, 2 June 2021
• Top seal displacement pressure
  ...and H. J. Ramey Jr., 1988, Surface tension of water-hydrocarbon systems at reservoir conditions: Journal of Canadian Petroleum Technology, vol. 27, no. 3, p. 41
  4 KB (530 words) - 15:56, 31 March 2022
• Hammerfest basin
  ...07–427.</ref>) used [[LIDAR]] imaging to demonstrate the high intensity of reservoir faults at relay [[ramp]]s, and we suspect that the flexuring that resulted ...th the position of intersecting [[fault]]s or [[relay ramp]]s at the top [[reservoir]] surface, within the uncertainty of the definition of this surface in the
  23 KB (3,382 words) - 18:40, 10 January 2019
• Basin-centered gas systems: elements and processes
  ==Reservoir rock== ...a much lesser degree, carbonates; the only occurrence of a BCGA carbonate reservoir is in the Sichuan basin of China.<ref name=Dajunandyunho_1994>Da-jun, P., a
  20 KB (2,949 words) - 18:24, 6 April 2016
• Cross section
  ...d to better characterization of reservoir flow units (see [[Flow units for reservoir characterization]]). ...sections show characteristics of correlatable stratigraphic units, such as reservoir sandstones or sealing shales. They may also be vital in understanding the t
  20 KB (3,029 words) - 16:09, 24 January 2022
• Permeability
  ...5r8>Amaefule, J. O., Keelan, D. K., Kersey, D. G., Marschall, D. M., 1988, Reservoir description—a practical synergistic engineering and geological approach b ...permeability-stress relationships, which are representative of ''in situ'' reservoir conditions, permeability measurements should be made on selected samples at
  19 KB (2,716 words) - 19:02, 20 January 2022
• Fault-dependent leak points, continuity, and charge
  ...al seal is breached are hydrocarbons able to escape from the [[Smackover]] reservoir into the overlying lower [[Haynesville Formation]] sandstones.<ref name=ch1
  4 KB (556 words) - 20:56, 31 March 2022
• Porosity
  ...epetro.org/journal-paper/SPE-10011-PA 10.2118/10011-PA].</ref> (Also see [[Reservoir quality]].) ...re systems, pore types in carbonate rocks are more varied (see [[Carbonate reservoir models: facies, diagenesis, and flow characterization]]). Three basic pore
  24 KB (3,450 words) - 19:09, 20 January 2022
• Silurian Qusaiba shales
  ...igure 4]]). The elements of the two petroleum systems (e.g., [[source]], [[reservoir]], and [[seal]] characteristics) show significant differences. The [[Paleoz ...the Middle [[Jurassic]] to Upper [[Cretaceous]] [[carbonate]]s (the major reservoir being the [[Arab Formation]]). Regional [[seal]]s are provided by Arab [[an
  18 KB (2,569 words) - 22:50, 8 January 2019
• Core-to-log transformations and porosity-permeability relationships
  ...n hole tools|wireline log analysis]] provide the means for evaluation of [[reservoir]] potential. Proper core-to-log transformations are required to ensure that ...from 1-in-diameter core plugs taken from a [[conglomerate|conglomeratic]] reservoir, where the clast size can exceed [[length::6 in.]] or more. Any attempt to
  14 KB (1,893 words) - 20:15, 2 February 2016
• Carbon dioxide (CO2) storage
  ...lves keeping the CO₂ secured deep underground in a geological [[reservoir]]. Carbon dioxide can be stored geologically in a variety of different opti ...l gas saturation to aquifer influx]: A calculation method for 3-D computer reservoir model construction: Society of Petroleum Engineers Gas Technology Symposium
  37 KB (5,487 words) - 21:14, 11 March 2019
• Plate tectonic studies
  ...evelopment and other hydrocarbon systems events, such as source, seal, and reservoir deposition
  4 KB (601 words) - 18:22, 2 February 2022
• Standard interpretation
  ...the depth of interest and determining the response associated with a clean reservoir having no shale (GR_cl) and a zone of 100% shale (GR_sh ...the depth of interest and determining the response associated with a clean reservoir with no shale (SP_cl) and a zone of 100% shale (SP_sh).
  25 KB (3,776 words) - 19:53, 18 January 2022
• Core alteration and preservation
  ...t is important to obtain data that relate as closely as possible to virgin reservoir conditions. Thus, alteration of the core during recovery, wellsite handling * Establish a low pressure differential between the drilling fluid and the reservoir.
  20 KB (2,971 words) - 15:46, 19 January 2022
• Coalbed methane
  ...es and fractures; coal serves as both the [[Source rock|source]] and the [[reservoir]] rock for the coalbed methane.
  5 KB (691 words) - 21:13, 19 November 2015
• Data: sources
  ...idea of the significance of the data, e.g., "MS August 31, 2008, final top reservoir depth map." Well files should be compiled with all the available data colle ...eld life, the value of information is enormous; the data are essential for reservoir evaluation. Later on in field life, it becomes more important to justify th
  43 KB (6,686 words) - 13:44, 18 March 2019
• Monte Carlo and stochastic simulation methods
  ...is usually a rough approximation of the actual process taking place in the reservoir. Consequently, the resulting response values (there are usually many) are u ...s://www.onepetro.org/conference-paper/SPE-15386-MS Fractal distribution of reservoir heterogeneity and their influence on fluid transport]: Society of Petroleum
  11 KB (1,623 words) - 19:24, 19 January 2022
• Basin-centered gas systems: examples
  ...al_1989>Keighin, C. W. B. E. Law, and R. M. Pollastro, 1989, Petrology and reservoir characteristics of the Almond Formation, Greater Green River basin, Wyoming * Reservoir rocks: Cretaceous to lower Tertiary sandstones. Multiple, stacked reservoir
  25 KB (3,445 words) - 19:01, 14 March 2016
• Seal capacity variation with depth and hydrocarbon phase
  ...ata/pg/0079/0007/1050/1064.htm Diffusion of methane and ethane through the reservoir cap rock: Implications for the timing and duration of catagenesis]: AAPG Bu
  5 KB (765 words) - 20:55, 31 March 2022
• Thelma field
  ...m in terms of both static and dynamic data, particularly with respect to [[reservoir]] distribution and connectivity, two of the principal risk elements of this
  17 KB (2,614 words) - 19:14, 17 January 2022
• East Breaks hydrocarbon migration model
  ...ry/oil-biodegradation.aspx biodegraded] and nonbiodegraded oil in the same reservoir (Dow et al.;<ref name=ch04r29 /> see also Anderson<ref name=ch04r1>Anderson
  10 KB (1,376 words) - 16:00, 23 March 2022
• Barmer basin
  ...gy of the Barmer Basin, Rajasthan, India, and the origins of its major oil reservoir, the Fatehgarh Formation: Petroleum Geoscience, v. 15, p. 117–130.</ref>; An extensive database on [[source rock]] properties, [[heat flow]], [[reservoir]] types, and [[seal rock]] properties has been collected from exploration a
  24 KB (3,528 words) - 22:50, 8 January 2019
• Carbonate reservoir
  ...easy task to make reliable predictions about their production performance. Reservoir management is difficult because the accurate targeting of production and in
  38 KB (5,571 words) - 15:31, 16 January 2024
• Borehole gravity
  ...f structure. The first extreme sometimes focuses strictly on formation and reservoir evaluation questions, while the other extends to basic exploration. Figure ...tive.<ref name=pt07r60>van Popta, J., 1990, Use of Borehole gravimetry for reservoir characterization and fluid saturation monitoring: Society of Petroleum Engi
  10 KB (1,517 words) - 15:54, 20 January 2022
• Libya hydrocarbon provinces
  ...nate]]s and reefs collected on adjacent horsts and platforms to form major reservoir rocks. ...drocarbon was generated from Upper Cretaceous and Silurian Shales. Libya’s reservoir rocks, responsible for 95% of the country’s known oil and gas reserves, r
  17 KB (2,361 words) - 16:19, 30 January 2017
• Uncertainties impacting reserves, revenue, and costs
  ...actuality is expectable for predictions based on geological parameters and reservoir performance. Correspondingly, reserves predictions should fall within the 0 ...nvolved in evaluating drilling ventures center around three main elements: reservoir performance, prices and costs, and taxes and regulatory costs.
  21 KB (3,123 words) - 19:27, 19 January 2022
• Deltaic reservoirs
  | part = The Production Geologist and the Reservoir |+ {{table number|1}}Factors influencing connectivity and reservoir development in deltaic reservoirs.
  34 KB (4,776 words) - 18:18, 5 January 2024
• Marcellus Shale (Devonian) -- Appalachian Basin
  ...a, the total organic carbon (TOC) content is generally 10% or greater, and reservoir pressures range from 0.3 to 0.7 psi/foot. ...yland: Conventional Appalachian deep gas source bed and unconventional gas reservoir: Maryland Geological Survey, http://www.mgs.md.gov/documents/MarcellusShale
  19 KB (2,773 words) - 21:36, 4 March 2022
• Identifying sea level cycle phase with biostratigraphy
  ...onal cycle definition and subdivision and facies distribution of potential reservoir and seal rocks (see Armentrout et al<ref name=ch04r12>Armentrout, J. M., L. ...these maps is their relationship to lithofacies distribution for potential reservoir rock, seal rock, and [[source rock]]. Part A is a presandstone interval map
  11 KB (1,548 words) - 16:58, 24 February 2022
• East Breaks critical moment
  ...m is 2.8 Ma to the present. It is that time period after deposition of the reservoir and seal during which subsequent [[growth fault]] movement formed the antic
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• Selling a structural play
  | 2 || Determine whether results from considering structural timing and reservoir and seal quality are consistent with current mechanical models of [[fold]]
  5 KB (738 words) - 15:58, 2 February 2022
• Arecuna field
  | title = Horizontal Wells: Focus on the Reservoir ...he Merecure Formation and throughout the Oficina Formation. The productive reservoir section is as much as 450 m (1500 ft) thick, and the stratigraphic analysis
  16 KB (2,381 words) - 19:03, 11 March 2019
• Basin-centered gas systems: evaluation and exploration strategies
  ...nd may be commercial, but, because blanket reservoirs commonly have better reservoir quality than lenticular reservoirs, they may be water bearing, as discussed ...n shorter fracture lengths than predicted because of fracturing out of the reservoir into adjacent, nonreservoir rocks.<ref name=Spencer_1989a>Spencer, C. W., 1
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• Petroleum system: geographic, stratigraphic, and temporal extent
  ...tion time, remigrated ([[tertiary migration]]) petroleum can accumulate in reservoir rocks deposited after the petroleum system formed. If insignificant [[Tecto
  7 KB (969 words) - 19:14, 25 January 2022
• Charge volume
  ...g the charge volume, these estimates are often compared to the estimate of reservoir pore volume within the trap. The following classification is suggested.
  6 KB (834 words) - 20:41, 14 February 2022
• Great American carbonate bank
  ...entific and economic value, thousands of feet of core and related rock and reservoir information is available for GACB carbonates.
  5 KB (768 words) - 18:39, 1 August 2016
• Sediment thickness and field location maps: Gulf of Mexico example
  ...urrences in the GOM basin. The hydrocarbon occurrences are concentrated in reservoir rocks that range in age from Jurassic to Pleistocene along the northern mar
  5 KB (753 words) - 19:58, 18 February 2022
• Practical suggestions for oil correlation
  ...le to many transformations during expulsion and [[migration]] and in the [[reservoir]]—including [[cracking]], phase separation, and [[biodegradation]]—corr
  5 KB (718 words) - 17:24, 15 February 2022
• Borehole gravity tool
  ...llhamer, 1968, Application of gravity measurements in wells to problems of reservoir evaluation: Transactions of the 9th Annual SPWLA Logging Symposium. Fundame
  5 KB (720 words) - 18:07, 24 January 2022
• Geological fieldwork benefits
  Furthermore, showing representative samples of [[Source rock|source]] or reservoir rock in a presentation can be very impressive. Rocks on a conference room t
  5 KB (771 words) - 21:12, 1 February 2022
• Structural exploration: thrust belt example
  ...calculation of fracture [[porosity]] and fracture [[permeability]] for the reservoir.
  14 KB (1,897 words) - 20:01, 3 February 2022
• Measuring displacement pressure using mercury injection
  ...G. Bolger, 1993, Estimating seals from wireline logs of clastic seals and reservoir intervals, in J. Ebanks, J. Kaldi, and C. Vavra, eds., Seals and Traps: A M
  5 KB (749 words) - 19:46, 31 March 2022
• Displacement pressure estimation from sedimentary facies and well logs
  ...G. Bolger, 1993, Estimating seals from wireline logs of clastic seals and reservoir intervals, in J. Ebanks, J. Kaldi, and C. Vavra, eds., Seals and Traps: A M
  5 KB (764 words) - 19:46, 31 March 2022
• Selecting a surficial geochemistry survey method
  ...idence of the very [[hydrocarbon]]s we hope to find in our [[trap]]s and [[reservoir]]s. Additionally, chemical and isotopic analysis of these hydrocarbons, esp
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• Mudlogging: the mudlog
  Additional reservoir information can also be recorded in track 2. In the example log shown in [[
  5 KB (752 words) - 15:39, 24 January 2022
• China Shale Gas & Liquids - Songliao and Junggar Basins
  ...sin contains globally rare organic-rich shale, and acts as both source and reservoir of shale oil. It is characterized by superimposed thin layers, large thickn
  6 KB (850 words) - 17:56, 20 December 2023
• EMD Tight Oil & Gas Committee 2018-19 Annual Report
  ...he past 14+ years owing to improved engineering, recovery and abundance of reservoir. Although there is international interest in exploiting hydrocarbons from t
  6 KB (820 words) - 20:57, 6 April 2021
• Using and improving surface models built by computer
  ...1}}Thickness Is normally defined by grids representing the top and base of reservoir and the fluid contact(s). ...o define one grid for the top of reservoir and another for the base of the reservoir. These are subtracted to create the gross hydrocarbon rock thickness.
  40 KB (6,039 words) - 20:49, 19 January 2022
• Migration pathway
  ...ions, and the stratigraphic variation within the basin. Within the carrier/reservoir bed, the migration pathway is controlled by the structural configuration of
  6 KB (889 words) - 16:50, 29 March 2022
• Gas chromatography: data obtained
  .../0011/1600/1631.htm Geochemical character and origin of oils in Ordovician reservoir rock, Illinois and Indiana]: AAPG Bulletin, vol. 79, p. 1631–1649.</ref> ...nces, [http://www.gazprominfo.com/terms/topping-gas/ gas stripping] in the reservoir can selectively remove lighter components, leaving an oil or residue that l
  22 KB (3,123 words) - 21:38, 15 February 2022
• Oil correlation case history: West Siberian basin
  ...a to see through the changes wrought by differences in oil maturity and in-reservoir alteration.
  6 KB (950 words) - 13:46, 16 February 2022
• Iraq petroleum geology
  ...nerated from the Jurassic source rocks migrated vertically to fill stacked reservoir intervals in many fields. Lateral migration of oil occurred along the weste ...p. 51–74.</ref>), along with the [[hydrocarbon]] type and age of the main reservoir. The numbers refer to the locations of the fields as shown in [[:file:M106C
  78 KB (7,926 words) - 16:25, 30 January 2017
• Australia, Northern TerritoryVelkerri Formation, Beetaloo Sub-basin
  ...ourdet, Z. Li, M. D. Raven, and D. N. Dewhurst, 2020, Thermal maturity and reservoir quality of the Velkerri Formation, Beetaloo Sub-basin, Northern Territory: ...r indicate that the organic rich mudstones of the Amungee Member have good reservoir and completion qualities that should result in brittle behavior conductive
  11 KB (1,597 words) - 15:02, 9 January 2024
• Faults: structural geology
  ...ucing for a few years. This reflects the change in the stress state of the reservoir as a result of pressure depletion. ...where knowledge of the detailed fault or fracture pattern is important for reservoir development.
  63 KB (9,496 words) - 16:51, 15 January 2024
• Iran petroleum systems
  ....jpg|thumb|300px|{{figure number|3}}Schematic stratigraphy and source rock-reservoir-seal relationship for the Dezful embayment and neighboring areas. Main sour ...petroleum systems were defined based on the association of source rocks, [[reservoir]]s, and [[seal]]s ([[:file:M106Ch14Fig05.jpg|Figure 3]], [[:file:M106Ch14Fi
  27 KB (3,901 words) - 13:51, 26 January 2017
• Tethys region
  ...139 AAPG Memoir 106], p. 29-57.</ref> Numerous proven and potential source-reservoir-[[seal rock]]s of Paleozoic age exist across the margin.<ref name=Kendallet ...d to help identify other working Paleozoic petroleum systems. The Cambrian reservoir Salib in Jordon can be attributed to what possible deeper source? Likewise
  23 KB (3,325 words) - 14:52, 1 August 2016
• Show evaluation
  ...hydrocarbons. The amount and distribution of staining is a function of the reservoir porosity and permeability. Stain color can be related to oil [[gravity]], w ...light. Solvent cuts allow deductions to be made regarding oil mobility and reservoir permeability. A cut is described in terms of its natural color, fluorescenc
  18 KB (2,670 words) - 18:21, 21 January 2022
• Other correlation features
  ...eber, L. J., J. F. Sarg, and F. M. Wright, 1995, Sequence stratigraphy and reservoir delineation of the middle Pennsylvanian (Desmoinesian), Paradox basin and A
  6 KB (872 words) - 15:20, 4 February 2022
• Contouring geological data with a computer
  ...s]]) and [[Reservoir modeling for simulation purposes]] and [[Conducting a reservoir simulation study: an overview]]. ...ply the methods described here (and others) to practical problems (such as reservoir estimation) is to apply them to known data and compare the results.
  25 KB (3,597 words) - 20:49, 19 January 2022
• Basin-centered gas systems: development
  ...mental history of a basin-centered gas system (BCGS) may be viewed as four reservoir pressure cycles. As a consequence of the dynamic nature of geologic process ...in indirect systems during phase I is assumed to be relatively better than reservoir quality in direct systems because buoyant accumulations of oil require bett
  34 KB (4,772 words) - 14:44, 12 March 2019
• East Breaks overburden rock
  * [[East Breaks reservoir rock]]
  6 KB (929 words) - 19:41, 22 March 2022
• Isotopic parameter data for oil–oil and oil–source rock correlations
  ...tion]] in the Zagros orogenic belt: provenance of the Asmari and Bangestan reservoir oil accumulations: Organic Geochemistry, vol. 16, p. 369–387., 10., 1016/
  6 KB (915 words) - 17:34, 15 February 2022
• Mudstones
  ...nce the flow of groundwater and hydrocarbons; serve as hydrocarbon source, reservoir, and seal; and host strata-bound resources. Advancing technology has provid ..., 2011, Genetic controls on the occurrence, distribution, and character of reservoir-prone strata of the Eagle Ford Group and related rock: Houston Geological S
  16 KB (2,352 words) - 18:46, 4 December 2023
• Procedure for geometrical analysis
  ...eber, L. J., J. F. Sarg, and F. M. Wright, 1995, Sequence stratigraphy and reservoir delineation of the middle Pennsylvanian (Desmoinesian), Paradox basin and A
  6 KB (862 words) - 15:20, 4 February 2022
• Well planning
  ** Reservoir engineer
  6 KB (779 words) - 15:09, 24 January 2022
• Open hole tools
  ...y include structural or stratigraphic [[dip]], facies characteristics, and reservoir heterogeneities ...devices are used primarily to correlate between wells and to discriminate reservoir from nonreservoir rocks. The ''resistivity'' devices are used to determine
  23 KB (3,350 words) - 17:26, 18 January 2022
• Petroleum basins of Turkey
  ===Reservoir rocks=== There are a number of producing reservoir rocks in SE Turkey. The most important are the Cretaceous carbonates. These
  52 KB (7,769 words) - 20:28, 18 January 2017
• Dolomite and dolomitization: Implications for reservoir characterization
  The dolostone texture and reservoir properties are greatly variable i.e. in matrix-selective dolomitization, th ...ons of Persian Gulf, overdolomitizaton has no significant influence on the reservoir quality (Tavakoli and Jamalian, 2019). Hence, dolomite presence can enhance
  38 KB (4,996 words) - 21:07, 21 April 2022
• Sea level cycle order
  ...ed by a rock sequence is important for predicting the location and type of reservoir and seal and the location of potential [[source rock]]s.
  7 KB (982 words) - 21:20, 23 February 2022
• Bakken and Three Forks Formations, Williston Basin, North Dakota and Montana
  ...ly 11% total organic carbon (TOC) and contain Type II kerogen. The primary reservoir targets are the low porosity and low permeability members of the middle Bak
  7 KB (1,004 words) - 22:08, 4 March 2022
• Trap classification
  ...cribes trap geometry, or which class describes compositional makeup of the reservoir or seal or fluid that creates or defines trap boundaries?
  8 KB (1,207 words) - 16:33, 13 April 2022
• Factors that oppose hydrocarbon migration
  ...phase present. Permeability measurements are dominantly taken in sands for reservoir engineering purposes and rarely in shales because of difficulties in gettin
  8 KB (1,133 words) - 15:16, 14 February 2022
• Sampling for paleontology
  ...use lithologies conducive to the recovery of microfossils are normally not reservoir facies.
  7 KB (1,051 words) - 18:08, 24 January 2022
• Wattenberg field
  ...proved areas are extended by [[drilling]]; (2) new pay zones, pools, and [[reservoir]]s are found by drilling or recompletions; (3) infill wells or stimulation ...urs from approximately 4000 to 8500 ft below the surface across the field. Reservoir quality in the various horizons is generally poor, which mandates hydraulic
  72 KB (10,249 words) - 20:06, 15 January 2024
• Making regional tectonic maps
  ...dictability of sediment transport avenues, depositional areas of potential reservoir sands, and conduits from deeply buried [[source rock]]s upward to the hydro
  8 KB (1,069 words) - 20:03, 18 February 2022
• Third-order sequences
  ...eber, L. J., J. F. Sarg, and F. M. Wright, 1995, Sequence stratigraphy and reservoir delin- eation of the middle Pennsylvanian (Desmoinesian), Paradox basin and
  8 KB (1,084 words) - 22:25, 3 February 2022
• Cased hole tools
  The production of fluids from a reservoir causes changes in the water saturations of producing reservoirs. Cased hole
  10 KB (1,427 words) - 16:26, 18 January 2022
• Llanos basin
  ...tic]] sequence and numerous [[hydrocarbon]] accumulations within various [[reservoir]]s. However, fresh water production in [[well-head]] rises up to 80% in ave ...ipping westward and the main [[petroleum system]] elements, that is, the [[reservoir]]s, the potential [[source rock]]s, and the regional top [[seal]]. On the l
  23 KB (3,247 words) - 22:50, 8 January 2019
• Thermal maturation
  Many of the elements of basin modeling programs—maturation of source rocks, reservoir [[diagenesis]], and [[porosity]] evolution—are affected by thermal and bu
  8 KB (1,113 words) - 18:10, 24 January 2022
• Structural restoration
  ...tering the subsurface geology, impacting petroleum system elements such as reservoir distribution and source rock burial depth. Dynamic restoration models as su * [[Fault seal analysis for reservoir development]]
  17 KB (2,335 words) - 17:14, 13 October 2022
• Three-dimensional modeling of clinoforms in shallow-marine reservoirs
  ...by low-permeability lithologies, such as cements or [[mudstones]]. Current reservoir modeling techniques are not well suited to capturing clinoforms, particular ...sults demonstrate the value of including algorithm-generated clinoforms in reservoir models, because they may significantly impact hydrocarbon recovery when ass
  113 KB (16,689 words) - 22:11, 15 January 2024
• New Albany Shale, Illinois Basin, southwestern Indiana
  ...et, but may include both geological (relatively low level of maturity, low reservoir pressure, lack of understanding of natural fracture systems, hydrocarbon de
  7 KB (1,107 words) - 21:50, 4 March 2022
• Deltaic environments
  ...nated deltas are probably the most important. In these two delta settings, reservoir-quality rocks are often deposited in close proximity to potential [[Source
  9 KB (1,310 words) - 19:47, 12 January 2016
• Economics: global supply and demand
  ...the large amount of capital required for development and production of the reservoir. Not many countries and firms can solely take up the task of producing from
  9 KB (1,388 words) - 15:38, 14 March 2019
• Amplitude variations with offset (AVO)
  ..., Pemodelan parameter elastic batuan degan inversi AVO untuk karakterisasi reservoir hidrokarbon karbonat formasi baturaja: Jawa Barat Utara.</ref>.
  9 KB (1,404 words) - 21:39, 27 March 2019
• Mudlogging: gas extraction and monitoring
  ...on. Accurate gas data recorded during drilling is of great value in proper reservoir evaluation and may even pinpoint potentially overlooked producing zones.
  9 KB (1,327 words) - 15:28, 24 January 2022
• Formation evaluation of naturally fractured reservoirs
  ...owever, there are no panaceas, and tools and methods that work well in one reservoir can fail miserably in the next one. (For information on standard logging to
  9 KB (1,380 words) - 17:25, 18 January 2022
• FWhitehurst sandbox
  * Reservoir quality has a good table of porosity types
  22 KB (3,024 words) - 21:42, 19 December 2014
• Hydroelectric power
  ...more from the foundation or, if only 5–15 m (16–50 ft) in height, having a reservoir volume of more than 3 million m³ (177 million ft³). S
  10 KB (1,466 words) - 16:06, 11 January 2016
• South Viking Graben
  ...understanding of the extent of [[submarine fan]]s containing [[hydrocarbon reservoir]]s. ...fields within the graben are shown with solid fill. Fields with Cenozoic [[reservoir]]s are shown with black outlines; [[field]]s and discoveries with Middle Ju
  23 KB (3,562 words) - 19:06, 17 January 2022
• Risk: dealing with risk aversion
  ...ogist and the engineer must team up to improve the characterization of the reservoir and the assessment of the uncertainty in development and EOR projects. Geol
  10 KB (1,487 words) - 18:22, 21 January 2022
• Super basins
  ...nate reservoirs, unconformities can dramatically dissolve and create karst reservoir fabrics.<ref name=Derbyetal_2012>Derby, J., R. Fritz, S. Longacre, W. Morga ....L., Ruppel, S.C. and Kerans, C., 2005. Play analysis and leading-edge oil-reservoir development methods in the Permian basin: Increased recovery through advanc
  27 KB (3,791 words) - 19:35, 11 October 2022
• EMD Tight Oil & Gas Committee 2020-21 Annual Report
  ...o a book chapter title “Geological Foundation for Unconventional Shale Gas Reservoir” in the upcoming Elsevier publication. ...e a book chapter title “Geological Foundation for Unconventional Shale Gas Reservoir” in the upcoming Elsevier publication.
  9 KB (1,311 words) - 20:32, 20 September 2022
• Niobrara & Codell of the Denver-Julesburg Basin
  ...of the Niobrara are 250-350 ft thick. In most part of the basin, Niobrara reservoir targets are the chalks, named, the C, B, and A from bottom to top. The top
  9 KB (1,412 words) - 21:46, 3 March 2022
• Eagle Ford Group, southwest Texas
  ...., 2020. The Eagle Ford Shale Laboratory: A Field Study of the Stimulated Reservoir Volume, Detailed Fracture Characteristics, and EOR Potential. Unconventiona
  10 KB (1,550 words) - 21:50, 3 March 2022
• Amplitude versus offset (AVO) analysis
  ...oisson's ratio trend curves, and (6) a geological description of potential reservoir and encompassing environments. [[:file:amplitude-versus-offset-avo-analysis
  12 KB (1,723 words) - 18:41, 20 January 2022
• Biostratigraphic correlation and age determination
  ...nd Mineralogists Foundation, p. 53–59.</ref> local or field correlation of reservoir units, or any problem where detailed resolution is vital. The use of multip
  11 KB (1,595 words) - 18:09, 24 January 2022
• Petroleum source rocks
  ...require the higher resolution available with mass spectrometry ([[GCMS]]). Reservoir oils and extracted bitumens contain source rock information. This "molecula
  12 KB (1,616 words) - 17:35, 13 April 2022
• Quick-look lithology from logs
  ...e elements—potassium, thorium, and uranium—are normally insignificant in [[reservoir fluids]], whereas they are important components of the rock system, especia ...clude neutron-density crossplots that are easy to use for clean (nonshaly) reservoir rocks. The plots are entered with a bulk density and an apparent neutron po
  25 KB (3,637 words) - 19:39, 18 January 2022
• SEM, XRD, CL, and XF methods
  ...and interconnectedness can be evaluated. These data can then be related to reservoir flow parameters such as [[permeability]] and log response.<ref name=pt05r12
  11 KB (1,477 words) - 15:25, 24 January 2022
• Seismic migration
  ...ust be done as a 3-D process (see [[Three-dimensional seismic method]] for Reservoir Development). It suffices here to state that migration is fundamentally inc
  14 KB (2,045 words) - 20:21, 21 January 2022
• West Texas Super Basin
  ...ed States, including the neighboring Midland Basin unconventional resource reservoir plays. These combined northern and southern Delaware Basin unconventional r .../data/bulletns/2005/05may/0553/0553.HTM Play analysis and leading edge oil reservoir development methods in the Permian Basin: Increased recovery through advanc
  157 KB (23,278 words) - 18:36, 16 January 2024
• Preprocessing of logging data
  ...he data gaps occur within potential reservoirs, a replacement value of all reservoir parameters (such as [[porosity]] and water saturation) should be estimated
  13 KB (2,094 words) - 17:42, 18 January 2022
• Core description
  ...ENDIX3.HTM Appendix 3], in S. C. Ruppel, ed., Anatomy of a giant carbonate reservoir: Fullerton Clear Fork (Lower Permian) field, Permian Basin, Texas: [http://
  13 KB (1,786 words) - 20:50, 19 January 2022
• Sill intrusion mechanism, parameters, and temperature effect of sills on a petroleum system
  ...kiWriteOff2021-Polishchuk-Figure2.png|thumbnail|Figure 2 Thermal effect on reservoir intervals and the source rock, as modified according to Eiras (1998). Sourc S.P. Holford, 2013. Impacts of igneous intrusions on source and reservoir potential in prospective sedimentary basins along the western Australian co
  29 KB (4,365 words) - 21:07, 21 April 2022
• Wellbore trajectory
  * Increasing contact between the reservoir and the wellbore, (e.g., horizontal drilling)
  14 KB (2,167 words) - 20:46, 19 January 2022
• Chromatography
  * [[Fault seal analysis for reservoir development]]
  15 KB (2,280 words) - 21:00, 21 April 2022
• Systems tracts identification
  ...specific depositional environments within each lets us predict possible [[reservoir]], [[seal]], and [[Calculating charge volume|charge system]] for each poten
  15 KB (2,029 words) - 21:21, 23 February 2022
• Multivariate data analysis
  ...preferential selection of data points can severely bias one's image of the reservoir, usually in a nonconservative way. Remedies include defining representative
  16 KB (2,349 words) - 15:46, 19 January 2022
• Shale-oil resource systems
  ...pt to produce oil from organic-rich mudstones or juxtaposed lithofacies as reservoir rocks. The economic value of petroleum liquids is greater than that of natu ...ically both the source for the petroleum and either a primary or secondary reservoir target, but optimum production can be derived from organic-lean juxtaposed
  97 KB (14,873 words) - 19:53, 11 January 2024
• Vaca Muerta play
  ...ntial and easier fracture growth. The rocks in these sectors show the best reservoir characteristics (averages: TOC 5%; porosity 12%; clay 10%–20%; water satu ...ages and associated tectonic and structural elements. S = source rock; R = reservoir; AG = Agrio fold-and-thrust belt; CH = Chihuidos High; EL = Entre Lomas fau
  77 KB (11,201 words) - 20:07, 15 January 2024
• Contourites
  ...issibility of fluids, must form part of the deposit, wich could be a great reservoir.
  13 KB (1,889 words) - 19:11, 6 April 2016
• Basin modeling: identifying and quantifying significant uncertainties
  ...rocarbon migration]], hydrocarbon type and quality, reservoir quality, and reservoir pressure and temperature prediction for pre–drill analysis. As computing
  38 KB (5,890 words) - 15:16, 23 August 2016
• Dipmeter
  * Delhomme, J.-P., T. Pilenko, E. Cheruvier, and R. Cull, 1986, Reservoir applications of dipmeter logs: [https://www.onepetro.org/journal-paper/SPE-
  14 KB (2,128 words) - 17:25, 18 January 2022
• Biostratigraphy in sequence stratigraphy
  ...atigraphic tool for understanding the temporal and areal distribution of [[reservoir]], [[Source rock|source]], and [[seal]] rocks.
  16 KB (2,247 words) - 19:23, 24 January 2022
• Biodegradation of crude oil in reservoirs
  ...icle/abs/pii/S0146638012000083 A practical biodegradation scale for use in reservoir geochemical studies of biodegraded oils]: Organic Geochemistry, v. 45, p. 6
  16 KB (2,354 words) - 18:16, 25 April 2022
• Appalachian Basin Marcellus gas play
  ...nt, Geologic Controls on Production, and Future Potential as a World-class Reservoir ...continue to expand the scope of the play and shed light on the formation's reservoir characteristics and economic potential. Production from the Marcellus Shale
  89 KB (13,415 words) - 19:16, 16 January 2024
• Delta plain, upper
  ...eat dis ances. Exposures in some of the tar sands in Canada show a lack of reservoir continuity as tars are concentrated along distinct layers within the overal
  33 KB (4,905 words) - 16:40, 6 April 2016
• Shale-gas resource systems
  ...s a continuous organic-rich source rock(s) that may be both a source and a reservoir rock for the production of petroleum (oil and gas) or may charge and seal p ...aapg.org/detail.aspx?id=1022 AAPG Memoir 60], p. 3–24.</ref> regardless of reservoir [[lithofacies]] or quality, because all the components and processes are ap
  73 KB (10,728 words) - 18:16, 11 January 2024
• The Neuquén Basin: Sequence Stratigraphy of Vaca Muerta Formation
  ...ource rock and in recent years gained greater importance as unconventional reservoir.
  16 KB (2,490 words) - 15:32, 8 January 2021
• Cash flow model
  ...come from a geotechnical analysis (including maps, [[cross section]]s, and reservoir analysis) of the anticipated new field or well and from geotechnical estima
  19 KB (2,272 words) - 19:27, 19 January 2022
• Geology workstation
  ...ge databases and providing certain computer-intensive applications such as reservoir simulation. Minicomputers offer local peripheral sharing of plotters and di
  19 KB (2,872 words) - 14:28, 20 January 2022
• Log analysis applications
  ...on of ''z'' values with an engineering package allows quick calculation of reservoir volumetrics.
  21 KB (3,142 words) - 16:20, 20 January 2022
• Log analysis: lithology
  ...journal-paper/SPWLA-1985-vXXVIn1a2 The evolution of shaly-sand concepts in reservoir evaluation]: The Log Analyst.</ref> or Patchett and Herrick.<ref name=pt04r
  25 KB (3,189 words) - 17:24, 18 January 2022
• Delta plain, lower
  .../specpubs/methodo2/data/a075/a075/0001/0100/0133.htm Geometry of sandstone reservoir bodies]: in T. D. Cook, ed., Underground waste management and environmental
  27 KB (4,229 words) - 16:41, 6 April 2016
• White paper: Hydraulic fracturing
  ...eneral term for the technique used to “[[fracture]]” rock in an oil or gas reservoir by pumping water (or other fluid) and sand (or other granular material) int
  27 KB (4,076 words) - 16:33, 19 July 2016
• Mudstone nomenclature
  ..., 2011, Genetic controls on the occurrence, distribution, and character of reservoir-prone strata of the Eagle Ford Group and related rock: Houston Geological S
  58 KB (8,391 words) - 19:46, 20 February 2024
• Delta plain, subaqueous
  ...only consists of clean, well-sorted sand and thus is obviously a potential reservoir rock for hydrocarbons. The remaining finer grained suspended load carried b ...ateral continuity of at least 1 km. It seems highly probable that there is reservoir continuity across this particular sand body.
  60 KB (9,022 words) - 17:17, 21 March 2016
• Phanerozoic Tethys region
  ...ncis, B. P., Harris, P. M., and Clark, M., 2003, Stratigraphy, facies, and reservoir distribution, Tengiz Field, Kazakhstan, in W. M. Ahr, P. M. Harris, W. A. M
  79 KB (11,542 words) - 18:47, 19 July 2016

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