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• Fault seal analysis for reservoir development
  ...in the fault section. Fault segment that becomes insulating if it has high porosity and permeability values will channel hydrocarbon fluid to the surface. So t ...ntation that occurs in the partial fault plane / can also completely cover porosity so that the field becomes permeable.
  14 KB (2,146 words) - 19:35, 13 September 2022
• Overpressure causes
  ...ock mass is buried, it tends to compact. Under normal conditions, as the [[porosity]] is reduced, the [[interstitial fluid]] is expelled. When the fluid cannot
  3 KB (394 words) - 16:23, 16 February 2022
• Hydrology and sandstone diagenesis
  * [[Sandstone porosity and permeability prediction]] * [[Predicting sandstone reservoir porosity]]
  6 KB (787 words) - 13:43, 6 April 2022
• Electrical methods
  ..., cracks, and faulted zones may become the primary conducting paths (see [[Porosity]]). ...' average resistivity are the total porosity, including fault and fracture porosity, and the resistivity of the fluids present within the rock. The average res
  15 KB (2,130 words) - 21:19, 19 January 2022
• Preprocessing of logging data
  ...ef name=pt04r8>Patchett, J. G., Coalson, E. B., 1979, The determination of porosity in sandstones and shaly sandstones, Part 1— quality control: SPWLA 20th A ...in establishing depth correlations between core and logs. Boyle's law core porosity and core grain density can be used to construct a core bulk density curve t
  13 KB (2,094 words) - 17:42, 18 January 2022
• Surficial geochemical case history 2: stratigraphic trap
  ...ing basics|processing]], a revised interpretation (right) also predicted [[porosity]] development there and coincident with the surface geochemical anomaly. A
  3 KB (361 words) - 17:45, 12 April 2022
• Quick-look lithology from logs
  * [[Basic open hole tools#Compensated neutron|Neutron]] [[porosity]] ...us rocks, density must be interpreted in combination with neutron or other porosity logs.
  25 KB (3,637 words) - 19:39, 18 January 2022
• Predicting carbonate reservoir location and quality
  * [[Predicting carbonate porosity and permeability]] * [[Basics of carbonate porosity formation and preservation]]
  7 KB (894 words) - 14:15, 11 April 2022
• Reservoir simulation study
  The reservoir characterization required to define [[porosity]] and [[permeability]] for each grid block in a reservoir simulation model ...s for each grid block, average curves can be derived for several ranges of porosity and permeability values (also referred to as ''regions'').
  19 KB (2,711 words) - 17:48, 21 January 2022
• Pore system fundamentals
  [[Porosity]] consists of relatively large voids, or pores, distributed among smaller p
  3 KB (388 words) - 13:52, 4 April 2022
• Subsurface maps
  * ϕ = [[porosity]] (fraction of bulk volume) ...In=term%20name&filter=gas-water+contact gas-water contact]), or (2) having porosity and/or [[permeability]] values below a “cutoff” limit for productivity.
  22 KB (3,076 words) - 13:56, 24 January 2022
• Permeability
  ...a function of the degree of mineral alteration (such as dolomitization), [[porosity]] development, and fractures. [[:file:permeability_fig2.png|Figure 2]] show ===Porosity===
  19 KB (2,716 words) - 19:02, 20 January 2022
• Subregional and local pressure compartments
  The fluids in a [[Porosity#Carbonate pore systems|porous]] [[bioherm]] completely encased in shale (as
  3 KB (440 words) - 17:58, 17 February 2022
• Well planning
  * [[Porosity]] and [[permeability]] ...usually [[Basic open hole tools#Gamma ray|gamma ray]], deep resistivity, [[porosity]], sonic, pad-type resistivity, [[dipmeter]], checkshot survey, and sidewal
  6 KB (779 words) - 15:09, 24 January 2022
• Water resistivity determination
  ...(ϕ) can be derived from logs. (For more information on methods to derive [[porosity]] and the Archie equation, see [[Standard interpretation]]. For more on der ...resistivity tools such as deep induction (ILd) or deep laterolog (LLd) and porosity log(s).
  13 KB (2,077 words) - 17:26, 18 January 2022
• Trap leakage
  | Capillary pressure exceeds [[displacement pressure]] of fracture [[porosity]] in the seal.
  3 KB (445 words) - 16:58, 1 February 2022
• Petroleum exploration
  ...te downward below. This migration is controlled by rock’s permeability and porosity. :φ(p(t)) = porosity at reservoir pressure p, fraction
  15 KB (2,331 words) - 19:12, 17 April 2019
• Sea level cycles and carbonate sequences
  * [[Predicting carbonate porosity and permeability]] * [[Basics of carbonate porosity formation and preservation]]
  7 KB (989 words) - 20:45, 6 April 2022
• Influence of mechanical stratigraphy on deformation styles
  ===Porosity and Clay Content Effect on Mechanical Properties=== ...multiple factors influencing variation in mechanical stratigraphy such as porosity and permeability, mineralogy, and layer thickness.
  23 KB (3,162 words) - 17:28, 5 December 2023
• Mapping unconformities
  ...sequence boundaries) is part of an effective exploration effort. Facies, [[porosity]] systems, and hydrocarbon shows are evaluated in context with an unconform ...the location of coarse gravels may be a primary reason to retain or create porosity, accurate regional reconstructions of erosional networks and their provenan
  7 KB (977 words) - 20:39, 4 February 2022
• Pore systems
  * [[Porosity]]
  3 KB (442 words) - 13:52, 4 April 2022
• SEM, XRD, CL, and XF methods
  ...age often defines hidden character of sample, e.g., may show directional [[porosity]] and flow boundaries, internal structures of fossils. || ...permeability]] and log response.<ref name=pt05r127>Pittman, E. D., 1979, [[Porosity]], diagenesis, and productive capability of sandstone reservoirs, in Scholl
  11 KB (1,477 words) - 15:25, 24 January 2022
• Wiki write off
  * [[Relationship between porosity and permeability on fractured basement reservoir]]
  3 KB (399 words) - 12:51, 28 September 2015
• Correlation and regression analysis
  ...mong multiple physical properties. The investigation of [[permeability]]-[[porosity]] relationships is a typical example of the use of correlation in geology. ...tocorrelation can also be used to measure the degree of similarity among [[porosity]] values measured at different locations.
  9 KB (1,366 words) - 16:37, 19 January 2022
• Structural exploration: location selection
  ...d off crest and away from hinges to obtain an early assessment of matrix [[porosity]] in the reservoir.
  4 KB (545 words) - 18:52, 3 February 2022
• Paleogeography and prospect identification
  ...s [[Fossil assemblage|biofacies]], net reservoir thickness (lithology or [[porosity]]), and [[Seismic facies mapping|seismic facies]] (i.e., [[clinoforms]], pa
  4 KB (491 words) - 14:27, 21 March 2022
• Reservoir system analysis
  ...nning electron microscopy (SEM)|scanning electron microscopy]] analysis, [[porosity]]/[[permeability]]–[[Characterizing_rock_quality#What_is_r35.3F|r<sub>35<
  4 KB (547 words) - 18:09, 1 April 2022
• Measurement while drilling
  ...gy provides downhole evaluation of formation gamma ray, resistivity, and [[porosity]] while drilling is in progress. Mechanical parameters such as the followin ...10 years. [[Basic open hole tools#Gammy ray|Gamma ray]], resistivity, and porosity logs obtained during drilling are commonly being used to supplement or repl
  8 KB (1,083 words) - 21:18, 19 January 2022
• Reservoir modeling for simulation purposes
  ...each environment of deposition to estimate permeability from log derived [[porosity]] and estimation of vertical permeability ...structural analysis to reservoir properties such as thickness, lithology, porosity, and pore fill<ref name=pt10r27>Ruijtenberg, P. A., Buchanan, R., Marke, P.
  17 KB (2,234 words) - 21:21, 19 January 2022
• Flow units and containers
  ...e. Petrophysical characteristics, such as distinctive log character and/or porosity-[[permeability]] relationships, define individual flow units. Inflow perfor * [[Porosity]]–permeability cross plots (r₃₅—defined later)
  9 KB (1,231 words) - 18:42, 1 April 2022
• Fractured reservoir evaluation
  ...] in the form of (1) increased reservoir [[permeability]], (2) increased [[porosity]], and/or (3) increased permeability [http://wiki.seg.org/wiki/Dictionary:A {{quotation|''Type 1''—Provide the essential porosity and permeability to the reservoir
  26 KB (3,674 words) - 21:21, 19 January 2022
• Oilfield water analysis
  * [[Porosity]] * [[Core-log transformations and porosity-permeability relationships]]
  7 KB (1,011 words) - 16:57, 20 January 2022
• Log analysis: lithology
  ...reviews some common techniques that can be used to solve for lithology and porosity. It also addresses some commonly encountered lithologies and their characte ...nerals points. Arrows indicate the effects of gas, salt, sulfur, secondary porosity, and shaliness.
  25 KB (3,189 words) - 17:24, 18 January 2022
• Amplitude (seismic)
  ...below. The most influential factor on the P wave velocity changes include porosity, gas saturation, external pressure and pore pressure. The relationship betw
  8 KB (1,291 words) - 15:49, 18 January 2017
• Influence of depositional environment on sandstone diagenesis
  * [[Sandstone porosity and permeability prediction]] * [[Predicting sandstone reservoir porosity]]
  8 KB (1,129 words) - 14:11, 6 April 2022
• Sandstone sedimentology and stratigraphy
  ...ir and within individual rock units. These changes result in variations in porosity, fluid distribution, and permeability. However the main diagenetic process ...as a direct relationship to the porosity and permeability of the rock. The porosity and permeability are directly influenced by the way the sand grains are pac
  27 KB (3,802 words) - 19:32, 9 January 2024
• Show evaluation
  ...show may still be viable hydrocarbon-bearing reservoirs. Conversely, poor porosity-permeability zones that have gas increases may be nonproducible. For the mo ...saturated when later tested or electric logged. In zones of high effective porosity and permeability, the rocks will initially be flushed, then return to their
  18 KB (2,670 words) - 18:21, 21 January 2022
• Statistics overview
  ...an is 22.5 (halfway between 22.0 and 23.0), the value below which half the porosity values fall. The mid-range value is 29.05. The mode is the most frequently ...might be used to determine if a particular oil field exhibits a multimodal porosity distribution, indicating the presence of multiple lithologies. Another situ
  16 KB (2,483 words) - 19:28, 19 January 2022
• Seismic data display
  ...associated with changes in rock properties in the subsurface. Lithology, [[porosity]], pore fluid, and a host of other variations are often detectable in the s ...should be aware of the type of anomaly you are trying to discern, such as porosity, gas zone, or facies changes. This allows the correct selection of a data p
  9 KB (1,404 words) - 21:17, 19 January 2022
• Petrofabrics
  * Deformation effects on [[porosity]] and [[permeability]]
  4 KB (447 words) - 15:17, 3 February 2022
• Trap
  ...metric closure integrates vertical and areal closure with pay thickness, [[porosity]], and [[Water saturation|hydrocarbon saturation]] to provide the volume of
  4 KB (614 words) - 17:02, 12 April 2022
• Mudlogging: gas extraction and monitoring
  ...e volume of gas liberated. However, ROP increases may reflect increasing [[porosity]] and, at constant gas saturation, increasing gas liberated. Comparing ROP, ...tion to invalidate the total hydrocarbon log as an indicator of gas-filled porosity in the formation. It does mean, however, that care must be taken when compa
  9 KB (1,327 words) - 15:28, 24 January 2022
• Pore throat size and connectivity
  ....com/data/bulletns/1992-93/data/pg/0076/0002/0000/0191.htm Relationship of porosity to permeability to various parameters derived from mercury injection–capi
  4 KB (650 words) - 14:23, 4 April 2022
• Hydrofractured seal leakage
  ...ient is estimated from [[Basic_open_hole_tools#Density|density logs]] or [[porosity]] trend.
  5 KB (679 words) - 17:11, 1 February 2022
• Molyneux:sandbox
  * [[Secondary porosity]]
  5 KB (543 words) - 23:45, 8 January 2015
• Pressure detection
  ...of overpressured zones, have a lower density (because of abnormally high [[porosity]]) than normal shales at a given depth. The density of shale cuttings can b ...normally high porosity and lower thermal conductivity, a doubling of shale porosity from 10 to 20% should cause a decrease in conductivity of only about 1% (wi
  16 KB (2,450 words) - 21:42, 20 January 2022
• Austin Chalk, onshore U.S. Gulf Coast
  ...o economical as the contrasting “noisy chalk” (fractured chalk) due to the porosity contained in the matrix (over 8%) that may have allowed charging under over Dravis, J.J., 1991. Regional depositional setting and porosity evolution of the Austin Chalk Formation, South Texas. In: Austin Chalk Expl
  8 KB (1,200 words) - 21:22, 3 March 2022
• Geological heterogeneities
  ...ormation on lithofacies and stratification sequences, plug or whole core [[porosity]], [[Permeability|permeability]], and [[Water saturation|fluid saturation]] ...mples of the determination and mapping of structure, [[fluid contacts]], [[porosity]], bed thickness, lateral bed continuity, and various other attributes of r
  17 KB (2,232 words) - 21:22, 19 January 2022
• China Shale Gas & Liquids - Bohai Bay Basin
  ...e stage with 0.68% to 1.16% Ro (Zhao et al., 2018). The shale matrix has a porosity of less than 10% and permeability of less than 1×10-3 μm2. Intergranular ...ess of resource development (Li et al., 2019). Although the averaged shale porosity is in range of 4.5% to 13.1% (Song et al., 2015), oil in-place within the S
  8 KB (1,251 words) - 15:51, 14 March 2022
• Cross-borehole tomography
  * Identification of high [[porosity]] zones between wells (where porosity is clearly related to seismic velocity) ...correlations and the log to tomography correlations documenting lithology, porosity, fluid saturation, and temperature. The resulting log and tomography displa
  14 KB (2,060 words) - 20:51, 19 January 2022
• Karst topography
  ...sed of soluble lithology and the lithology has good condition in secondary porosity. ...ne grains (intergranular or primary porosity) and the fractures (secondary porosity) formed by joints, bedding planes, and faults.
  13 KB (2,016 words) - 19:56, 5 April 2019
• Midale seal capacity and trap type
  * [[Midale porosity, pore geometries, and petrophysics]]
  5 KB (723 words) - 17:02, 12 April 2022
• Diagenetically complex reservoir evaluation
  ...etic events. Diagenetic inhomogeneities are zones of reduced or enhanced [[porosity]] and/or permeability that are generated by one or a combination of the pro ...in]: AAPG Bulletin, v. 67, p. 744–771.</ref> illustrates the complexity of porosity development in one of the few well-documented examples of a diagenetically
  31 KB (4,171 words) - 18:22, 21 January 2022
• East Breaks hydrocarbon migration model
  ...ring condensed sedimentation of each cycle. [[Migration]] through matrix [[porosity]] of these effective top-seal mudstones is highly unlikely. Thus, vertical ...reted to occur through [[fracture]]s and faults rather than through matrix porosity.
  10 KB (1,376 words) - 16:00, 23 March 2022
• Stratigraphic trap seals
  ...oir is a [[Wikipedia:Mesoporous material|mesoporous]] sandstone with 18% [[porosity]] and 10 md [[permeability]], then the bottom [[length::75 ft]] (20 m) of t
  5 KB (632 words) - 20:26, 3 February 2022
• Seismic facies analysis
  * [[Porosity]] estimations
  6 KB (809 words) - 17:46, 4 February 2022
• Using and improving surface models built by computer
  ...bon rock thickness is progressively reduced by net to gross ratio, average porosity, and oil saturation, until only the thickness of pores filled with hydrocar ...uilt-by-computer_fig24.png|{{figure number|24}}Incomplete data for net and porosity due to partial penetrations, truncations, baselaps, and so on create proble
  40 KB (6,039 words) - 20:49, 19 January 2022
• Hydrocarbon reservoirs associated to layered intrusive bodies
  ...oncentric and radial joint systems within basic sills and their associated porosity enhancement, Neuquén Basin, Argentina: National Council of Scientific and ...in a sedimentary basin would be concentrated within shale formations (high porosity) with plenty of oil (Figure 4 and 5).
  10 KB (1,475 words) - 16:29, 4 April 2019
• Flow units for reservoir characterization
  ...e available in a particular reservoir. (See [[Core-log transformations and porosity-permeability relationships]].) ...mineralogical, textural, and pore level properties and to permeability, [[porosity]], fluid saturations, and capillarity as measured on core plugs. Establish
  16 KB (2,282 words) - 20:46, 19 January 2022
• Pressure prediction: analysis of cuttings
  ! Pore pressure || Intergranular stress || Rock matrix appearance || [[Porosity]]
  5 KB (818 words) - 17:56, 17 February 2022
• Seismic data interpretation - recurring themes
  ...e [[seismic reflection]]s, including a [[Fluid contacts|fluid contact]], [[porosity]] variation, or shale density change.
  5 KB (739 words) - 18:51, 27 January 2022
• Techniques for enhancing seismic facies analysis
  ...hanges in amplitude along a reflector may indicate changes in lithology, [[porosity]], or fluid saturation. For additional details, see Brown.<ref name=ch21r7>
  5 KB (720 words) - 18:51, 4 February 2022
• Log analysis applications
  ...ion water resistivity) and relates water saturation (''S''_w) to porosity and true resistivity. ...ore different trace values to each other at the same depth, such as core [[porosity]] and bulk density. Each type of wireline tool measures a different rock pr
  21 KB (3,142 words) - 16:20, 20 January 2022
• Eolian reservoirs
  ...iated sediments. The relationship between original sedimentary texture and porosity has survived even after extensive [[diagenesis]]. The very poor permeabilit ...he grains pack together relatively closely in wind-rippled strata, and the porosity is lower in these units. Inverse grading is common with low-permeability pi
  19 KB (2,690 words) - 18:42, 1 August 2016
• Amplitude versus offset (AVO) analysis
  ...) a depth-[[velocity]] model, (2) density and velocity trend curves, (3) [[porosity]] ranges, (4) fluid content variation, (5) Poisson's ratio trend curves, an # The [[lithology]], [[porosity]], and fluid content of a given layer
  12 KB (1,723 words) - 18:41, 20 January 2022
• Bakken and Three Forks Formations, Williston Basin, North Dakota and Montana (USGS)
  ...rbon and consist of type-II kerogen. The primary reservoir targets are low-porosity and low-permeability members of the middle Bakken and Three Forks (upper pa | Porosity (%) || Variable, Sandstones: 5–9%; Dolomite: up to 15%
  11 KB (1,595 words) - 20:20, 2 June 2021
• Carbonate reservoir
  ...voirs. The uncertainty in the determination of water saturation, effective porosity, net pay, and permeability will impact the estimation of in-place volumes a ...006, [http://archives.datapages.com/data/bulletns/2006/01jan/0091/0091.HTM Porosity-permeability relationships in interlayered limestone-dolostone reservoirs]:
  38 KB (5,571 words) - 15:31, 16 January 2024
• Dolomite and dolomitization: Implications for reservoir characterization
  ...dolomites. (a) Curved crystal faces of baroque dolomites (blue color shows porosity), Plane polarized light (PPL).]] ==Dolomitization and Porosity Evolution==
  38 KB (4,996 words) - 21:07, 21 April 2022
• Petroleum source rocks
  ...primarily physical process of expulsion may follow depending upon (1) the porosity, strength, and composition (e.g., clay, carbonate, or [[evaporite]]) of the
  12 KB (1,616 words) - 17:35, 13 April 2022
• Wettability
  * [[Porosity]] * [[Core-log transformations and porosity-permeability relationships]]
  12 KB (1,706 words) - 15:11, 24 January 2022
• Yowlumne field
  ...H. T. M., 1984, Geostatistical estimation of the spatial distributions of porosity and percent clay in a Miocene Stevens turbidite reservoir: Yowlumne field,
  13 KB (1,896 words) - 19:02, 11 March 2019
• Seismic attributes
  ...plitude at a horizon can, under the correct circumstances, be related to [[porosity]] or net pay in a reservoir interval. With other attributes the physical in
  6 KB (859 words) - 19:42, 27 January 2022
• Coal bed methane (UB)
  ...M differ from conventional gas. In conventional gas, gas is trapped in the porosity of rock. But in CBM, methane is trapped in the microporosity of coal. This
  5 KB (839 words) - 17:19, 28 March 2019
• Reservoir drive mechanisms
  ...rs with unconsolidated sediments. It can also be expected to occur where [[porosity]] has been held open by high fluid pressures. Good examples of high pressur
  7 KB (1,052 words) - 18:45, 1 April 2022
• Lithofacies and environmental analysis of clastic depositional systems
  | [[Porosity]], [[Sonic log curve shape|curve shape]] analysis | Porosity, [[Quick-look lithology from logs|lithology]] (with sonic, density)
  38 KB (5,198 words) - 22:11, 15 January 2024
• Weyburn field location and trap problem
  * [[Midale porosity, pore geometries, and petrophysics]]
  6 KB (848 words) - 17:34, 3 January 2024
• Carbonate sedimentary rocks classification
  ...to be the best reservoir quality rock. It is usually characterized by good porosity & permeability, good sorting, and cross-bedding. It is mainly formed near s ...specially if it is partially cemented. It is usually characterized by good porosity & permeability, and good sorting.
  16 KB (1,986 words) - 14:09, 19 December 2023
• Factors that cause migration
  ...ward motion of each sediment package and is accompanied by a decrease in [[porosity]] as it compacts. The resultant motion of water is continually upward with
  6 KB (918 words) - 15:16, 14 February 2022
• Stratigraphic predictions from computer simulation
  ...e=ch04r83 />) is focused on predicting organic richness, [[maturation]], [[porosity]], and fluid flow, as well as converting the lithofacies distributions into
  7 KB (895 words) - 16:18, 24 March 2022
• Multivariate data analysis
  ...a set of interdependent quantities or attributes such as [[grain size]], [[porosity]], [[permeability]], and saturation. Although univariate statistical analys ...l sampling in high pay zones, which may lead to more samples having high [[porosity]] and saturation values, is particularly critical when performing cluster a
  16 KB (2,349 words) - 15:46, 19 January 2022
• Cross-well electromagnetic tomography monitoring of fluid distribution
  ...ded his work and found a relationship between the formation factor and the porosity (ϕ). Archie further his experiments by combining his formula with the powe ...[[:file:AlsaudKatterbauerFigure6.jpg|Figure 6]]) taking together with the porosity from logs and cores, the water saturation can be interpolated by using Arch
  18 KB (2,715 words) - 18:29, 8 February 2024
• Reserves estimation
  * ø = [[porosity]] (decimal) from log and/or core data ...to have similar geological or petrophysical properties (depth, lithology, porosity, and so on). While analogy is the least accurate of the methods presented,
  16 KB (2,550 words) - 17:47, 21 January 2022
• Core alteration and preservation
  ...name=Basan_etal_1988>Basan, P., J. R. Hook, and K. Hughes, 1988, Measuring porosity, saturation, and permeability from cores: The Technical Review, v. 36, n. 4 ...aux, J. M., 1952, Some effects of quick-freezing upon the permeability and porosity of oil well cores: Journal of Petroleum Technology, v. 4, n. 11, p. 19-20.<
  20 KB (2,971 words) - 15:46, 19 January 2022
• Core handling
  ...th. Disturbing the grain orientations will negate the ability to measure [[porosity]], [[permeability]], and other reservoir properties accurately. The sedimen
  7 KB (1,083 words) - 20:50, 19 January 2022
• Stimulation
  ...fluid to form a filter cake on the face of the fracture and to plug the [[porosity]] and permeability of the face of the fracture. ...the fracture. The regions that are etched most deeply supply the fracture porosity and conductivity needed to improve flow to the wellbore.
  24 KB (3,633 words) - 13:55, 24 January 2022
• Drilling a well
  ...e logs will allow the porosity of the reservoir interval to be determined. Porosity is the fraction or percentage of the volume of void space in the rock relat
  15 KB (2,385 words) - 15:05, 1 August 2016
• Data: sources
  ...alist service companies perform the core analysis. Rock properties such as porosity and permeability are measured on core plugs cut from the core. These are ab ...nclude the following data: horizontal permeability, vertical permeability, porosity, water saturation, oil saturation, grain density, and sometimes a brief des
  43 KB (6,686 words) - 13:44, 18 March 2019
• Risk: expected value and chance of success
  ...(or confidence) that '''[[reservoir rock]] '''is present, of sufficient [[porosity]] and [[permeability]] to be productive, and in some minimal thickness and ...ence in the existence of at least a minimal reservoir—thickness, extent, [[porosity]], and effective [[permeability]]. Under this approach, encountering a wet,
  22 KB (3,173 words) - 19:27, 19 January 2022
• Relative permeability
  ...mogeneous section of a reservoir system. The reservoir system rock has a [[porosity]] of 30% and a permeability of 10 md ([[Characterizing_rock_quality#What_is
  9 KB (1,351 words) - 13:31, 5 April 2022
• Bakken and Three Forks Formations, Williston Basin, North Dakota and Montana
  ...OC) and contain Type II kerogen. The primary reservoir targets are the low porosity and low permeability members of the middle Bakken and upper Three Forks, wi
  7 KB (1,004 words) - 22:08, 4 March 2022
• Utilization of the industrial revolution 4.0 in oil and gas exploration
  ...ef> used the ELM approach to assist in determining rock properties such as porosity and permeability. Also, Zhao et al.<ref name=Zhaoetal_2020>Zhao, B., Ratnak ...maining wells, the network model is then implemented to estimate reservoir porosity and permeability.
  21 KB (3,096 words) - 20:59, 21 April 2022
• Scanning electron microscopy (SEM)
  ...gative depressions than from elsewhere on the sample surface. Therefore, [[porosity]] information can be readily characterized with the SE2 electrons. ...useful in revealing the 3-D distribution of mineral types, organic matter, porosity, and the like in shale (and other rock) samples.
  16 KB (2,441 words) - 20:24, 23 January 2019
• Tectonic modeling
  * Scott, T., E., Nielsen, K., C., 1991, The effects of porosity on the brittle-ductile transition in sandstones: Journal of Geophysical Res * Dunn, D., E., LaFountain, L., J., Jackson, R., E., 1973, Porosity dependence and mechanism of brittle fracture in sandstones: Journal of Geop
  16 KB (2,083 words) - 21:28, 2 February 2022
• Tuscaloosa Marine Shale, Gulf Coast Basin, Louisiana and Mississippi
  ...lly found that calcite concentration is greater near the base of the TMS. Porosity ranges from 4.78% to 6.59% in the HRZ compared to 3.86% to 9.86% in the TMS
  7 KB (1,007 words) - 21:15, 3 March 2022
• Structural play geology
  * Composition–[[porosity]]–[[grain size]] predictions ...seals in structural traps can take the form of compaction (reduction in [[porosity]], [[permeability]], and/or pore size) or dilatancy (increase in permeabili
  18 KB (2,422 words) - 14:21, 2 February 2022
• Condensate banking effect
  ...the petrophysical properties of the rock. In lower permeability and lower porosity reservoirs, condensate banking effect is more significant due to the shorta ...ity, µ is the fluid viscosity, ct is the compressibility, and &phi; is the porosity.
  21 KB (3,040 words) - 15:22, 12 December 2022
• Pinedale field
  ...ths of about 8500 to 14,500 ft (2600–4400 m) and are tight with fairly low porosity (mostly <10%) and very low (micro-Darcy) permeability. The tight nature of ...factors, including structure, reservoir sandstone and siltstone thickness, porosity development, permeability, and reservoir pressure, which are in turn relate
  16 KB (2,521 words) - 17:13, 29 January 2016
• Glossary
  ;PPP:pinpoint [[porosity]]
  5 KB (840 words) - 13:51, 18 March 2019
• Rock-water reaction: formation damage
  * [[Porosity]] * [[Core-log transformations and porosity-permeability relationships]]
  17 KB (2,380 words) - 18:23, 21 January 2022
• Stratigraphically complex fields
  * Complex [[porosity]]-permeability and [[capillary pressure]] relationships (a broad scatter in
  8 KB (983 words) - 20:49, 19 January 2022

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