Search results

Page title matches

• Core description
  | chapter = Core description [[File:FG18CoreSt63Appendix3.JPG|thumb|300px|Core slab photo.<ref name=Ruppel_2012>Ruppel, Stephen C., 2012, [http://archives
  13 KB (1,786 words) - 20:50, 19 January 2022
• Core handling
  | chapter = Core handling ...ared before the core is pulled. Every effort should be made to prevent the core from weathering or changing if s fluid contents. Speed is important when ha
  7 KB (1,083 words) - 20:50, 19 January 2022
• Core orientation
  | chapter = Core orientation ...rmined. Typically, a mark, groove, or line is placed on the surface of the core and the ''in situ'' [[azimuth]] of the marking is determined with respect t
  13 KB (1,964 words) - 20:50, 19 January 2022
• Core alteration and preservation
  | chapter = Core alteration and preservation ...losely as possible to virgin reservoir conditions. Thus, alteration of the core during recovery, wellsite handling, shipment, and storage must be minimized
  20 KB (2,971 words) - 15:46, 19 January 2022
• Overview of routine core analysis
  | chapter = Overview of routine core analysis [[file:Box_core32.jpg|thumb|300px|Box of core samples, labelled and stored on site, [http://nc.water.usgs.gov/ccp/2003Eto
  14 KB (2,121 words) - 21:16, 19 January 2022
• Core-log transformations and porosity-permeability relationships
  #REDIRECT [[Core-to-log transformations and porosity-permeability relationships]]
  81 bytes (6 words) - 15:37, 19 December 2014
• Core-to-log transformations and porosity-permeability relationships
  | chapter = Core-log transformations and porosity-permeability relationships ==Core-log transformations==
  14 KB (1,893 words) - 20:15, 2 February 2016

Page text matches

• Introduction to wellsite methods
  * [[Core handling]] * [[Core alteration and preservation]]
  763 bytes (76 words) - 20:06, 16 January 2014
• Core-log transformations and porosity-permeability relationships
  #REDIRECT [[Core-to-log transformations and porosity-permeability relationships]]
  81 bytes (6 words) - 15:37, 19 December 2014
• Core handling
  | chapter = Core handling ...ared before the core is pulled. Every effort should be made to prevent the core from weathering or changing if s fluid contents. Speed is important when ha
  7 KB (1,083 words) - 20:50, 19 January 2022
• Sidewall coring
  ...the new Sidetrak Coring System^® cut a more conventional type of core angled off to the side of the hole. Sidewall cores are an excellent cost ef ...ise to have more than one type of core barrel on location until acceptable core recovery can be demonstrated. [[:file:sidewall-coring_fig1.png|Figure 1]] i
  7 KB (1,100 words) - 21:16, 19 January 2022
• Conventional coring
  ...pense of [[trip]]ping pipe. A mature field might need a sponge or pressure core to help pin down remaining reserves. These three situations describe three [[file:conventional-coring_fig1.png|thumb|{{figure number|1}}Conventional core barrel. © Eastman Christensen, Technical Data Sheet C-105.]]
  13 KB (1,885 words) - 20:49, 19 January 2022
• Laurentia
  ...''') is a large continental [[craton]], which forms the ancient geological core of the [[North America]]n continent. ...k in [[subduction]] zones. The purple area fringing the stable continental core is made up of older Precambrian basement that was deformed during plate col
  2 KB (248 words) - 22:12, 3 December 2015
• Growth fault
  ...ous style structures include domino models, low angle normal fault and the core complex, fault-ramp ramp-flat, rift and half graben. ==Low angle normal fault and core complex==
  4 KB (630 words) - 18:28, 2 April 2019
• Lithofacies analysis
  # Describe [[Core description|cores]] and [[Mudlogging: drill cuttings analysis|cuttings]] fr # Calibrate core and cuttings descriptions to [[Quick-look lithology from logs|well logs]] a
  2 KB (317 words) - 18:52, 4 February 2022
• Overview of routine core analysis
  | chapter = Overview of routine core analysis [[file:Box_core32.jpg|thumb|300px|Box of core samples, labelled and stored on site, [http://nc.water.usgs.gov/ccp/2003Eto
  14 KB (2,121 words) - 21:16, 19 January 2022
• Core-to-log transformations and porosity-permeability relationships
  | chapter = Core-log transformations and porosity-permeability relationships ==Core-log transformations==
  14 KB (1,893 words) - 20:15, 2 February 2016
• Syncline
  .... So in order words, a syncline is identified by the younger rocks at it’s core. In folds, crests and troughs are usually firstly referred to as synforms a ...e soft, the effect of erosion on them will bring about a valley and if the core occupying rocks are hard,erosion,when it occurs will carve them into a peak
  3 KB (505 words) - 15:58, 21 March 2019
• Mantle
  ...solid [[silicate]] rock that entends from the base of the [[crust]] to the core-mantle boundary at approximately 2900 km (-1802 mi) in depth.<ref name=Pete
  898 bytes (129 words) - 13:23, 3 August 2016
• Core orientation
  | chapter = Core orientation ...rmined. Typically, a mark, groove, or line is placed on the surface of the core and the ''in situ'' [[azimuth]] of the marking is determined with respect t
  13 KB (1,964 words) - 20:50, 19 January 2022
• Rig personnel
  * [[Core handling]] * [[Core alteration and preservation]]
  3 KB (474 words) - 18:22, 21 January 2022
• Fishing
  file:fishing_fig6.png|{{figure number|6}}Core type basket. ...bulence. It is often part of the BHA, and it is almost always run before a core barrel or diamond bit to prevent damage ([[:file:fishing_fig4.png|Figure 4]
  8 KB (1,156 words) - 21:19, 19 January 2022
• Scout ticket
  ...ps, test results (such as [[drill stem testing]] and [[Overview of routine core analysis|coring]]),and final status.Information may not be reliable, especi
  987 bytes (157 words) - 14:18, 4 January 2017
• Fracture analysis
  ===Core analysis=== ...ysis: Interpretation, Logging, and Use of Natural and Induced Fractures in Core: [http://store.aapg.org/detail.aspx?id=1203 AAPG Methods in Exploration 8],
  5 KB (644 words) - 15:30, 3 February 2022
• Core alteration and preservation
  | chapter = Core alteration and preservation ...losely as possible to virgin reservoir conditions. Thus, alteration of the core during recovery, wellsite handling, shipment, and storage must be minimized
  20 KB (2,971 words) - 15:46, 19 January 2022
• Preprocessing of logging data
  ...nformation on cores, see [[Conventional coring]], [[Core handling]], and [[Core description]].) ...te with log bulk density to determine the amount of depth shifts required. Core bulk density usually correlates well with the [[density log]] because litho
  13 KB (2,094 words) - 17:42, 18 January 2022
• Core description
  | chapter = Core description [[File:FG18CoreSt63Appendix3.JPG|thumb|300px|Core slab photo.<ref name=Ruppel_2012>Ruppel, Stephen C., 2012, [http://archives
  13 KB (1,786 words) - 20:50, 19 January 2022
• Stratigraphic trap
  ...ication|fluid pressure]], [[Show evaluation|shows]], [[Overview of routine core analysis|cores]], and [[Mudlogging: drill cuttings analysis#Basic sample an
  1 KB (176 words) - 12:51, 3 July 2014
• Tight gas reservoirs: evaluation
  ...eposition, inferred from the examination of sedimentary characteristics in core, can have a strong impact on preserved porosity and permeability trends. An ===Core to log correlations===
  11 KB (1,444 words) - 21:26, 4 January 2024
• Depositional sequence definition
  ...ratigraphic analyses]], (3) [[Basic open hole tools|wireline logs]], (4) [[Core description|cores]], and (5) detailed measured sections, helps us define th
  1 KB (176 words) - 17:29, 13 April 2022
• Vibro-sesismic to increasing the production rate of coal bed methane
  In result of study analysts in laboratorium about core syntesis, vibration stimulation can repair the characteristic of rock physi ...stem is confined, and the direction effect from the vibration source about core holder can as effective as radius from vibrator strength.<ref name=Ridalian
  11 KB (1,551 words) - 16:49, 11 January 2016
• Selecting a surficial geochemistry survey method
  ...nworld.tamu.edu/students/forams/forams_piston_coring.htm piston core], jet core, etc.)
  6 KB (809 words) - 17:05, 25 January 2022
• Sand peel
  * [[Core description]]
  2 KB (239 words) - 19:40, 9 September 2014
• Determining water saturation
  Water saturation (S_w) can be measured directly from a sealed core, which is an expensive method, or it can be calculated from the [[Archie eq
  2 KB (244 words) - 13:38, 5 April 2022
• Displacement pressure estimation
  | Mercury injection measurements || [[Overview of routine core analysis|Cores]] or [[Mudlogging: drill cuttings analysis|cuttings]]
  2 KB (258 words) - 18:41, 31 March 2022
• Pay determination
  * [[Overview of routine core analysis|Core analysis]] * Analysis of the capillary system of selected core samples (see [[Capillary pressure]])
  13 KB (1,799 words) - 19:01, 20 January 2022
• Weyburn seal capacity
  * Measure R_bt directly on core samples, then correct it to reservoir conditions using methods of the prece ...sub> because it uses readily available core analyses. The method relates a core sample's porosity and permeability to the pore throat size indicated at a g
  10 KB (1,484 words) - 20:55, 4 December 2023
• Midale porosity, pore geometries, and petrophysics
  ...rformance_fig9-102.png|300px|thumb|{{figure number|1}}Crossplot of routine core porosity and permeability from the Midale in an example well at Weyburn fie ...-quality-and-performance_fig9-102.png|Figure 1]] is a crossplot of routine core [[porosity]] and [[permeability]] from the Midale in an example well at Wey
  5 KB (659 words) - 16:54, 12 April 2022
• Well planning
  ***Core on show? ***[[Core handling]] procedures
  6 KB (779 words) - 15:09, 24 January 2022
• Kerogen type and quality: visual assessment
  ...ge of each type of kerogen in a sample derived from cuttings composites or core (conventional or sidewall). For example, a visual estimate of kerogen type
  2 KB (300 words) - 18:17, 9 February 2022
• Diagenetic impact on traps
  Access to [[Overview of routine core analysis|cores]], [[Mudlogging: drill cuttings analysis|samples]], and mode
  2 KB (297 words) - 21:06, 3 February 2022
• Fractured reservoir evaluation
  ...ry || Determine sedimentary characteristics and origin of facies through [[core description]] and construct predictive models for [[lateral]] variability a | Flow predictions from standard [[Core description|core]] or [[Basic open hole tools|log analyses]] do not match reservoir performa
  26 KB (3,674 words) - 21:21, 19 January 2022
• Trap spillage
  ...ulations are usually immobile at relatively constant [[Overview of routine core analysis#Residual fluid saturation|residual saturation]] over a thick secti
  3 KB (341 words) - 22:36, 31 January 2022
• Mowry Shale, Powder River Basin, Wyoming
  ...–130.</ref> (Davis, 1970). Calcareous cone-in-cone concretions are seen in core and outcrop<ref>Hollon, Z.G., 2014, Elemental chemostratigraphy and reservo ...nd two-mile laterals proved the Mowry to be a commercial oil play in their core acreage, renewing interest from basin operators. In 2019, the Mowry had its
  4 KB (677 words) - 17:14, 22 December 2023
• Permeability
  ...sandth of a darcy, is commonly used in [[Overview of routine core analysis|core analysis]] and oilfield operations. ...ctober 2–5, SPE 18167.</ref> (For more on porosity, see [[Porosity]] and [[Core-log transformations and porosity-permeability relationships]].)
  19 KB (2,716 words) - 19:02, 20 January 2022
• Oilfield water analysis
  * [[Core description]] * [[Overview of routine core analysis]]
  7 KB (1,011 words) - 16:57, 20 January 2022
• Mudlogging: equipment, services, and personnel
  * [[Core handling]] * [[Core alteration and preservation]]
  8 KB (1,031 words) - 15:27, 24 January 2022
• Morrow lithofacies and pore types: Sorrento field
  By studying [[Core description|core]] and [[Basic open hole tools|log]] data from one well (well 11; see [[:fil
  6 KB (769 words) - 17:23, 11 April 2022
• Midale lithofacies and distribution
  ...ality-and-performance_fig9-102.png|{{figure number|4}}Crossplot of routine core porosity and permeability from Midale in an example well at Weyburn field. ...[[porosity]]; hachures indicate porous dolomitic mudstone facies. Log and core data for representative (if extreme) data points, numbered 1-8, also appear
  6 KB (842 words) - 18:50, 4 December 2023
• Sandstone permeability estimation from cuttings
  ...ps from the core were the size of cuttings. By using comparators made from core chips, they estimated formation permeability from cuttings with surprising
  6 KB (882 words) - 17:19, 6 April 2022
• Identifying depositional sequences from biostratigraphic data
  ...sis fig4-19.png|Figure 1]]. Data on sediment type and biostratigraphy from core hole MSC 160-1 permits geologic characterizations of both the regionally pa
  9 KB (1,143 words) - 14:57, 23 February 2022
• SEM, XRD, CL, and XF methods
  The four methods commonly used for additional core analysis are |+ {{table number|1}}Special methods for core evaluation
  11 KB (1,477 words) - 15:25, 24 January 2022
• Flow units for reservoir characterization
  ...ased on the wireline log suite available in a particular reservoir. (See [[Core-log transformations and porosity-permeability relationships]].) ...meability, [[porosity]], fluid saturations, and capillarity as measured on core plugs. Establish consistent relationships between rock properties and petro
  16 KB (2,282 words) - 20:46, 19 January 2022
• Predicting carbonate reservoir location and quality
  ...eogeography]] and facies tracts through time using systems tract maps; use core and log data to infer shorelines and platform edge locations. ...hole tools|logs]], [[Mudlogging: drill cuttings analysis|cuttings]], and [[Core description|cores]]), [[Seismic data|seismic sections]], and [http://www.me
  7 KB (894 words) - 14:15, 11 April 2022
• Reservoir quality
  ...iques: summation of fluids, resaturation, and Boyle's Law. Permeability on core samples is determined using one of two methods: steady-state or unsteady-st Capillary pressure can also be measured in the laboratory on core samples.<ref name=pt06r149>Wardlaw, N. C., 1976, [http://archives.datapages
  18 KB (2,514 words) - 17:47, 21 January 2022
• Petrophysical analysis of Sorrento field wells
  ...ll 11 by plotting and grouping routine [[Overview of routine core analysis|core data]]. The top and bottom of the Morrow (flow units A and 5) are microporo
  7 KB (956 words) - 17:24, 11 April 2022
• Oil correlation case history: Zala basin, Hungary
  ...0, DOI: 10.1016/0146-6380(94)90016-7.</ref> examined 21 oil samples and 26 core samples from this basin to determine the number of oil families and the pre ...rmined the source potential for the available sedimentary section using 26 core samples and attempted to correlate the NL oils to each of the possible sour
  7 KB (1,092 words) - 13:46, 16 February 2022
• Interpreting hydrocarbon shows
  ! Show type || Core or cuttings || Mud log || Sw% || Log analysis || Dst || [[Wireline formatio ! Show type || Core or cuttings || Mud log || Sw% || Log analysis || Dst || Rft
  8 KB (1,130 words) - 17:09, 5 April 2022
• Fold
  ...&mdash;usually bedding. Flexural-slip surfaces, which can be observed in [[core]] or [[outcrop]], may vary in spacing from a few millimeters to several ten
  3 KB (495 words) - 15:09, 18 January 2016
• Wettability
  * [[Core description]]
  12 KB (1,706 words) - 15:11, 24 January 2022
• Sorrento field: water saturation
  ...[porosity]] values. Matrix density appears to be about 2.68 g/cc, based on core-measured grain densities (consistent with the presumed mineralogy of the sa ...ite]] [Kristinick, personal communication]). Formation factors measured on core samples from well 1 support this interpretation.
  7 KB (1,044 words) - 16:57, 13 April 2022
• Reservoir system analysis
  # Determine pore type for each flow unit in the key well using [[core description]]s, [[Thin section analysis|thin section]] and [[Scanning elect
  4 KB (547 words) - 18:09, 1 April 2022
• Geodynamics of terrestrial exoplanets
  ...raphy of (from center to surface) a partially molten iron [[Planetary core|core]], a silicate mantle that convects over geologic timescales, and a relative ...rent planetary physical parameters are manipulated (i.e. mantle viscosity, core-mantle boundary temperature, insolation, “wetness” or [[Mineral hydrati
  19 KB (2,736 words) - 12:59, 14 March 2019
• Microfossils in exploration
  ...recovered from both [[Mudlogging: drill cuttings analysis|cuttings]] and [[Core description|cores]]. Microfossil groups that are too rare in most sedimenta
  4 KB (483 words) - 15:15, 31 January 2022
• Porosity
  ...y Bulletin, v. 15, p. 331–345.</ref><ref name=pt05r92>Keelan, D. K., 1982, Core analysis for aid in reservoir description: Journal of Petroleum Technology, ...ith the disaggregated oven-dried total porosity from [[Overview of routine core analysis|cores]]. The [[Basic open hole tools#Compensated neutron|neutron l
  24 KB (3,450 words) - 19:09, 20 January 2022
• Structural lead and prospect delineation
  * Core analysis ([[fracture]] potential)
  4 KB (511 words) - 18:50, 3 February 2022
• Fluid contacts
  | rowspan = 2 | Saturation determination: [[Overview of routine core analysis|core analyses]] || Estimates fluid contacts from changes in fluid saturation wit ...re types. The cause of thick transition zones may be evaluated by combined core examination and capillary pressure tests. Some intervals within transition
  19 KB (2,690 words) - 21:20, 19 January 2022
• Stratigraphically complex fields
  |   Barrier core * High degree of lithological variation seen in cuttings and core.
  8 KB (983 words) - 20:49, 19 January 2022
• Geological heterogeneities
  ...est information on lithofacies and stratification sequences, plug or whole core [[porosity]], [[Permeability|permeability]], and [[Water saturation|fluid s ...nate sediments and environments|Carbonate lithofacies]]), interpreted from core analysis and compared with modern environments or [http://www.merriam-webst
  17 KB (2,232 words) - 21:22, 19 January 2022
• East Breaks petroleum geology
  ...J. M. Armentrout, eds., Turbidites and Associated Deep-Water Facies: WEPM Core Workshop 20, p. 1–23.</ref>
  4 KB (494 words) - 13:44, 5 December 2023
• East Breaks depositional sequence
  ...ratigraphic analyses]], (3) [[Basic open hole tools|wireline logs]], (4) [[Core description|cores]], and (5) detailed measured sections, helps us define th
  4 KB (557 words) - 19:59, 22 February 2022
• Reserves estimation
  ...kness of pay zone (ft) from log and/or [[Overview of routine core analysis|core data]] * ø = [[porosity]] (decimal) from log and/or core data
  16 KB (2,550 words) - 17:47, 21 January 2022
• Data: sources
  ...ve to acquire, particularly if obtained from wells offshore. For instance, core taken from a drilling operation on an offshore drilling rig may have cost m * core data
  43 KB (6,686 words) - 13:44, 18 March 2019
• FWhitehurst sandbox
  * gravity core http://www.whoi.edu/instruments/viewInstrument.do?id=1079 * piston core http://oceanworld.tamu.edu/students/forams/forams_piston_coring.htm
  22 KB (3,024 words) - 21:42, 19 December 2014
• Australia, Northern TerritoryVelkerri Formation, Beetaloo Sub-basin
  ...maximum known thickness is 1483 m reported in well Tanumbirini-1. Based on core facies association, presence of glauconite and acritarchs, the depositional
  11 KB (1,597 words) - 15:02, 9 January 2024
• Reservoir modeling for simulation purposes
  ..., it is very difficult to determine large scale vertical permeability from core and log data. ...r-modeling-for-simulation-purposes_fig2.png|{{figure number|2}}Analysis of core data for facies identification and rock quality assessment.
  17 KB (2,234 words) - 21:21, 19 January 2022
• Full waveform acoustic logging
  ...the measured slowness and the predicted elastic slowness (ΔΔT) against the core measured permeability values for both the [[limestone]]-[[dolomite]] and th ...sics, v. 39, p. 14–32, DOI: 10.1190/1.1440407.</ref> A correlation between core measured permeability and change in Stoneley wave slowness for two differen
  10 KB (1,530 words) - 20:47, 19 January 2022
• Austin Chalk, onshore U.S. Gulf Coast
  ...rformed core-log calibration and defined basic lithofacies based on a type core in south Texas (Fig. 4); Loucks et al. (2021) performed a regional study ch
  8 KB (1,200 words) - 21:22, 3 March 2022
• Update for Fayetteville Shale Gas Play in Arkansas, 2019
  ...cally recoverable gas resource, of which 27.32 Tcf was attributable to the core producing area (eastern area) and 4.64 Tcf for the remainder of the produci
  5 KB (645 words) - 22:38, 2 June 2021
• Diagenetically complex reservoir evaluation
  ...lds—A core workshop: Society of Economic Paleontologists and Mineralogists Core Workshop 12, p. 333–389.</ref> ...ure 2]]. Geological activities follow the stages of well data analysis and core analysis, which constitute basic input to the geological phase of the analy
  31 KB (4,171 words) - 18:22, 21 January 2022
• Fayetteville Shale Gas Play, Arkansas
  ...cally recoverable gas resource, of which 27.32 Tcf was attributable to the core producing area (eastern area) and 4.64 Tcf for the remainder of the produci
  4 KB (598 words) - 21:52, 3 March 2022
• Lithofacies and environmental analysis of clastic depositional systems
  ...iagnostic for sedimentological interpretation of vertical sequences (see [[Core description]]). However, wireline tools such as [[dipmeters]] and [[Borehol ...Overview of routine core analysis#Whole core analysis|Slabbed conventional core]]
  38 KB (5,198 words) - 22:11, 15 January 2024
• Coal bed methane (UDip)
  :L = core length, cm :A = core cross-sectional area, cm²
  10 KB (1,576 words) - 14:42, 2 April 2019
• Wellbore trajectory
  * [[Core handling]] * [[Core alteration and preservation]]
  14 KB (2,167 words) - 20:46, 19 January 2022
• Reservoir engineering
  ...ic; relates to pores and sand grains, macroscopic; relates to conventional core-plug scale, megascopic relates to the scale of grid-blocks in simulation mo Absolute permeability retrieved from conventional core analysis or by the approach through equations based on log analysis. Empiri
  14 KB (2,122 words) - 17:33, 7 March 2016
• Midale seal capacity and trap type
  This way of calculating [[seal capacity]] assumes that the core samples used are representative of the seal. Ideally, the rock samples shou
  5 KB (723 words) - 17:02, 12 April 2022
• Fault seal-conduit studies
  ...ww.merriam-webster.com/dictionary/outcrop outcrop] studies of fault zones, core analysis and laboratory testing, [[thin section analysis]], and constructio
  5 KB (638 words) - 14:17, 2 February 2022
• Fold trap regime
  ...ithdrawal, salt solution, or meteoric impact. || rowspan = 3 | ''Intrusive core''; Dome or anticline form as a result of intrusion. || colspan = 2 | ''Salt
  6 KB (742 words) - 14:42, 13 April 2022
• Carbonate diagenesis
  ...diagenetic fabrics and pore space from [[Overview of routine core analysis|core]] and [[Mudlogging: drill cuttings analysis|cuttings]] samples. The descrip ...antified by microscopic examination of [[Overview of routine core analysis|core]] material and related to petrophysical properties measured on the same mat
  23 KB (3,026 words) - 20:48, 19 January 2022
• Seismic facies analysis
  ...thofacies interpreted from [[Quick-look lithology from logs|well logs]], [[Core description|cores]], and [[Mudlogging: drill cuttings analysis|cuttings]].
  6 KB (809 words) - 17:46, 4 February 2022
• Niobrara & Codell of the Denver-Julesburg Basin
  ...the four states was collected and aggregated using R or manual methods (R Core Team, 2020) and visualized with ggplot2 (Wickham, 2016). Total oil and gas R Core Team, 2020. R: A language and environment for statistical computing. R Foun
  9 KB (1,412 words) - 21:46, 3 March 2022
• Drilling a well
  ...k up to 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 ex
  15 KB (2,385 words) - 15:05, 1 August 2016
• Land rigs
  ...door]. The catwalk is also the primary location to process [[Core handling|core]] and assemble [[Basic tool table|wireline logging tools]].
  12 KB (2,020 words) - 16:19, 20 January 2022
• Capillary pressure
  ...ttability]] and the effects of [[Core handling|cleaning and extracting the core]] are largely ignored, the cost and time benefits typically favor mercury i ...re acquired by injecting mercury into an evacuated, cleaned, and extracted core plug. Mercury injection pressure is increased in a stepwise manner, and the
  23 KB (3,315 words) - 16:59, 19 January 2022
• Relating traps to paleogeography
  ...s and Associated Deep-water Facies: SEPM (Society for Sedimentary Geology) Core Workshop No. 20, p. 75–93.</ref><ref name=ch04r65>McGee, D. T., Bilinski, ...Armentrout, eds., 1995, Turbidites and Associated Deep-water Facies: SEPM Core Workshop 20, 176 p.</ref> have compiled examples of this spectrum of gravit
  11 KB (1,482 words) - 15:47, 21 March 2022
• Great American carbonate bank
  ...merica. Because of its scientific 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
• Relationship between porosity and permeability on fractured basement reservoir
  [[File:UGM_Porosity_Fig_1.png|thumb|300px|{{figure number|1}}Rock core with natural fracture from a well (Donaldson, 2004)]] ...tructure and textures changes can be frequently found, and small amount of core data, so the use of statistic corelation is limited. The corelation cannot
  29 KB (4,601 words) - 16:09, 12 April 2016
• Log analysis applications
  ...tific data (including wireline traces, [[Overview of routine core analysis|core data]], tops, and test intervals) with the specific depths of their occurre ...s and may even have digital libraries for sale. Numerical listings include core and geochemical data. Both are usually sampled somewhat sporadically and th
  21 KB (3,142 words) - 16:20, 20 January 2022
• Using conventional well logs to estimate richness
  ...resent in this interval. Note the high gamma ray and resistivity readings. Core analysis of this well indicates the source rock (indicated by dots with das
  5 KB (768 words) - 15:48, 9 February 2022
• Borehole gravity tool
  | Conventional 5.25-in. (13-cm) core || 2.6 || 6.6 || 1.5 || 0.04
  5 KB (720 words) - 18:07, 24 January 2022
• Measuring displacement pressure using mercury injection
  ...s routinely inferred by forcing mercury into the pore space of a sample ([[Core description|cores]] or [[Mudlogging: drill cuttings analysis|cuttings]]) an
  5 KB (749 words) - 19:46, 31 March 2022
• Displacement pressure estimation from sedimentary facies and well logs
  ...., D. L. Luffel, and R. B. Truman, 1989, New unified method of integrating core capillary pressure data with well logs: Society of Petroleum Formation Eval
  5 KB (764 words) - 19:46, 31 March 2022
• Paleontology
  ...es the decisions of whether to search for fossils in the drill cuttings or core and what fossil group to use. * [[Core description]]
  17 KB (2,331 words) - 20:11, 10 August 2016
• Delta plain, lower
  [[file:M31F10v2.jpg|thumb|550px|{{figure number|3}}Core photographs showing stratification in bay-fill deposits. Cores are 13 cm (5 ...ence. Boring is located near the distal end of the bay infill. Diameter of core is 8 cm (3 in.).<ref name=Colemanetal_1981 />
  27 KB (4,229 words) - 16:41, 6 April 2016
• Rock-water reaction
  * [[Core description]] * [[Overview of routine core analysis]]
  17 KB (2,356 words) - 19:24, 19 January 2022
• Petrophysical analysis of lithofacies
  Posting core [[porosity]], permeability, and pore throat radius ([[Characterizing_rock_q
  6 KB (763 words) - 18:53, 4 February 2022
• Rock-water reaction: formation damage
  * [[Core description]] * [[Overview of routine core analysis]]
  17 KB (2,380 words) - 18:23, 21 January 2022
• In-situ stress characterization and applications
  ====Lab Based Core Sample Testing==== ...the direction of the principal stresses. When the stress is relieved, the core tends to expand most in the maximum stress relief direction, and least in t
  28 KB (4,031 words) - 15:49, 28 November 2022
• Show evaluation
  * [[Core handling]] * [[Core alteration and preservation]]
  18 KB (2,670 words) - 18:21, 21 January 2022
• Oil and condensate analysis
  | Oil show in core or cuttings ...ding shows, oil on the pits, DSTs, and formation tests. Drill cuttings and core samples may be solvent extracted to obtain liquid samples. For completed we
  14 KB (2,013 words) - 16:48, 20 January 2022
• Eolian reservoirs
  ...bstract Permeability variation within eolian sandstone: A case study using core cut sub-parallel to slipface bedding, the Auk field, central North Sea, UK: ...eoscienceworld.org/content/3/1/43.short Integration of inclined pilot hole core with horizontal image logs to appraise an eolian reservoir, Auk field, cent
  19 KB (2,690 words) - 18:42, 1 August 2016
• Subsurface maps
  The [[porosity]] (ϕ) in a reservoir zone can be determined from log and/or core data. The data in an individual well within the net pay interval can be ave
  22 KB (3,076 words) - 13:56, 24 January 2022
• Multivariate data analysis
  ...tes or variables. For example, a (5 &times; 3) matrix might represent five core samples at different depths on which frequencies of occurrence of three dif ...ustering results from preferential location of data (drilling patterns and core plugs), a prevalent problem in exploration and development. Such preferenti
  16 KB (2,349 words) - 15:46, 19 January 2022
• Buoyancy forces in reservoir fluids
  ...ally measured in the laboratory by injecting mercury under pressure into a core plug. The mercury is a nonwetting phase, which replicates the behavior of h
  8 KB (1,182 words) - 20:27, 3 March 2016
• Critical elements application: Niobrara example
  [[Overview of routine core analysis|Running samples]] on Niobrara wells will reveal whether [[open cal
  7 KB (962 words) - 16:03, 18 February 2022
• Plate tectonics and basin formation
  ...rust]]. The cooler liquid rock near the surface sinks back down toward the core. In doing so, a current of liquid rock is set up flowing toward the surface
  24 KB (3,689 words) - 17:46, 18 April 2019
• Surficial geochemical interpretation guidelines
  ...ages.com/data/specpubs/memoir66/28/0363.htm Predicting oil properties from core fluorescence], in D. Schumacher, and M. A. Abrams, eds., Hydrocarbon Migrat
  8 KB (1,128 words) - 22:24, 31 January 2022
• Mapping unconformities
  ...Geologists and Exploration Geoscience Institute (Colorado School of Mines) Core Workshop, Golden, Colorado, 297 p.</ref><ref name=ch21r12 /> Within deep ba
  7 KB (977 words) - 20:39, 4 February 2022
• Sampling for paleontology
  ...ttings at the well site, providing significant economic benefit in picking core points, casing points (which may prevent blowouts), and stopping points (to
  7 KB (1,051 words) - 18:08, 24 January 2022
• East Breaks trap formation
  ...J. M. Armentrout, eds., Turbidites and Associated Deep-Water Facies: WEPM Core Workshop 20, p. 1–23.</ref>
  7 KB (1,022 words) - 21:54, 22 March 2022
• Measurement while drilling
  ...data, the geologist can obtain a more reliable correlation and can select core points with more confidence. This reduces the risk of missing critical form
  8 KB (1,083 words) - 21:18, 19 January 2022
• Tuscaloosa Marine Shale, Gulf Coast Basin, Louisiana and Mississippi
  ...on and $0.509 million through two tranche placements to resume leasing TMS Core Area mineral rights and for working capital (Australis Oil & Gas, 2021a; Au
  7 KB (1,007 words) - 21:15, 3 March 2022
• Making regional tectonic maps
  ...png|Figure 2]]). The distribution of the sediment-thick synclines and salt-core anticlines persists through time, resulting in predictability of sediment t
  8 KB (1,069 words) - 20:03, 18 February 2022
• Thin section analysis
  ...analysis can be performed on samples collected from [[Overview of routine core analysis|conventional cores]], [[Sidewall_coring#Rotary_sidewall_coring|rot * [[Core description]]
  24 KB (3,264 words) - 15:09, 24 January 2022
• Basin-centered gas systems: evaluation and exploration strategies
  ...1999>Lorenz, J. C., and T. H. Mroz, 1999, Natural fracturing in horizontal core near a fault zone: The Rock Island Unit 4-H well, Green River basin, Wyomin
  34 KB (5,070 words) - 15:11, 23 August 2016
• Log analysis: lithology
  * Conventional core analysis * Sidewall percussion core analysis
  25 KB (3,189 words) - 17:24, 18 January 2022
• Reservoir simulation study
  ...cting-a-reservoir-simulation-study-an-overview_fig4.png|{{figure number|4}}Core measurements from the Bradford Sandstone. (From Levorsen.<ref name=pt10r20> ...ow (arithmetic average). © Lishman,<ref name=Lishman>Lishman, J. R., 1970, Core permeability anisotropy: Journal of Canadian Petroleum Technology, April-Ju
  19 KB (2,711 words) - 17:48, 21 January 2022
• Delta plain, upper
  ...tics of braided channel deposits (letters on the vertical section refer to core or outcrop photographs).<ref name=Colemanandprior_1981 />]] ...s and peat deposits are common in this environment. I. X-ray radiograph of core taken in backswamp deposit. Note the stringers of organic debris (dark laye
  33 KB (4,905 words) - 16:40, 6 April 2016
• Delta plain, subaqueous
  ...han in any other subaqueous delta environment, rarely exceed 0.5 to 0.75°. Core photographs in [[:file:M31F18.jpg|Figure 3D-F]] show some of the more commo ...rates the wide variety of sedimentary structures found within only a 20-cm core from the uppermost parts of this environmental sequence. The clays, when pr
  60 KB (9,022 words) - 17:17, 21 March 2016
• Faults: structural geology
  ...interpreter whereas the production geologist analyzes the structures from core and log data. Having established a fault framework for a field, it is impor ==Structural core logging==
  63 KB (9,496 words) - 16:51, 15 January 2024
• Cross-well electromagnetic tomography monitoring of fluid distribution
  ...citor or/and increasing/decreasing the number of turns around the magnetic core. The research team tested different frequencies to reach the optimum resolu
  18 KB (2,715 words) - 18:29, 8 February 2024
• Siliciclastic shorelines and barrier island reservoirs
  M91Ch6FG42.JPG|{{figure number|4}}Example of a sedimentological core log, Well d-2-C/94a-16, Peejay field, Canada (after Caplan and Moslow).<ref ...has resulted from preferential water encroachment along the sandstone-rich core of the barrier island depositional axis with bypassed oil remaining along t
  18 KB (2,607 words) - 15:33, 15 January 2024
• Surficial geochemistry and hydrocarbon detection methods
  ...ages.com/data/specpubs/memoir66/28/0363.htm Predicting oil properties from core fluorescence], in Schumacher, D., Abrams, M., A., eds., Hydrocarbon Migrati
  10 KB (1,443 words) - 16:08, 25 January 2022
• Reservoir fluids
  ...ility literature survey: 1. Rock/oil/brine interactions and the effects of core handling on wettability: Journal of Petroleum Technology, SPE 13932, v. 38, ...ally measured in the laboratory by injecting mercury under pressure into a core plug. The mercury is a nonwetting phase, which replicates the behavior of h
  22 KB (3,508 words) - 20:34, 3 March 2016
• Seismic interpretation
  Available well, core, test, [[paleontology]], and [http://www.merriam-webster.com/dictionary/out
  10 KB (1,520 words) - 18:48, 21 January 2022
• Borehole imaging devices
  ...which corresponds to the projection of the cylindrical surface of a drill core onto a plane that is split by tradition along magnetic north. In this proje
  10 KB (1,313 words) - 16:24, 18 January 2022
• Stable isotope stratigraphy
  ...tuations in climate. Isotopic analysis of well-preserved foraminifera from core or [http://www.merriam-webster.com/dictionary/outcrop outcrop] samples or f
  9 KB (1,282 words) - 20:59, 31 January 2022
• Standard interpretation
  ...neral, fluid-filled reservoirs. It is extremely useful in combination with core measurements of grain density. ...propriate matrix density. Matrix density can be accurately determined from core measurements. Linear volumetric response allows expansion for multiple mine
  25 KB (3,776 words) - 19:53, 18 January 2022
• Geology workstation
  ...mation tops, fault cuts, results of drill stem tests and production tests, core data, and a host of calculated values such as isochore, true vertical depth * [[Core description]]
  19 KB (2,872 words) - 14:28, 20 January 2022
• Deep-water marine reservoirs
  ...ated log response toward the margins ([[:File:M91FG193.JPG|Figure 1]]). In core, channel-fill sandstones can show erosional features such as erosional base ...their associated shale interbeds are more layered and massive both at the core and interwell scale. Erosive features are relatively rare with few or no sh
  20 KB (2,850 words) - 15:33, 15 January 2024
• Magnetics
  The main magnetic field of the earth is caused by electric currents in the core. The intensity of the field is measured in gammas or the equivalent SI unit
  10 KB (1,481 words) - 15:39, 24 January 2022
• Utilization of the industrial revolution 4.0 in oil and gas exploration
  ...on problems. In the analysis, they have used 4950 samples of 15 wells with core data that yielded an accurate prediction. For the remaining wells, the netw
  21 KB (3,096 words) - 20:59, 21 April 2022
• Types of completions
  ...ng and cementing [[production casing]]. By obtaining [[Overview of routine core analysis|cores]] and [[Basic open hole tools|logs]] of the potential produc
  13 KB (1,944 words) - 19:56, 18 January 2022
• Lwandle plate
  ...dle&John>Cheadle, M., and B. John, Ultra Slow Spreading Ridges and Oceanic Core Complexes: Big Mountains and Bigger Faults: National Oceanic and Atmospheri
  10 KB (1,574 words) - 16:51, 6 April 2016
• Enhanced oil recovery
  #* Core floods
  12 KB (1,794 words) - 21:19, 19 January 2022
• Growth strata
  ...rowth strata are consistent with folding by progressive limb rotation. The core of the anticline is filled with salt, which presumably thickened during [[d
  13 KB (1,930 words) - 22:28, 20 January 2016
• Perforation design
  ...shots will deform. [[:file:UreigaAlmandiFigure3.jpg|Figure 3]] illustrates core shape changes with detonation stages.
  12 KB (1,786 words) - 21:02, 21 April 2022
• Vaca Muerta, La Luna Shale, South America
  ...g the foresets of progradational clinoforms (Figure 7) based upon detailed core and thin section descriptions. These play concepts include thin carrier bed
  11 KB (1,644 words) - 16:14, 11 May 2023
• Prudhoe Bay field
  ...is, eds., Giand Oil and Gas Fields: Society for Sedimentary Geology (SEPM) Core Workshop No. 12, p. 561-613.</ref> Atkinson et al.,<ref name=Atkinsonetal_1
  11 KB (1,634 words) - 16:34, 26 April 2016
• Biostratigraphic correlation and age determination
  ...or lowest occurrence of a species or lineage, is a reliable datum only in core or [http://www.merriam-webster.com/dictionary/outcrop outcrop] samples beca
  11 KB (1,595 words) - 18:09, 24 January 2022
• Appalachian Basin Marcellus gas play
  ...re located adjacent to the Range Resources initial Renz discovery well and core development area for the Marcellus Shale. In Allegheny and Washington count The two emerging core areas developing in the Marcellus Shale play have somewhat different therma
  89 KB (13,415 words) - 19:16, 16 January 2024
• Yowlumne field
  ...and B appear to represent separate reservoir compartments (Suhas Talukdar, Core Laboratories, Inc., written communication, 1998).
  13 KB (1,896 words) - 19:02, 11 March 2019
• Depth and thickness conversion
  ...int, a [[Overview_of_routine_core_analysis#Sidewall_core_analysis|sidewall core]], or a significant geological marker. To use this depth in interpreting ge
  17 KB (2,363 words) - 16:49, 20 January 2022
• Wattenberg field
  ...or the Dome Frank core<ref name=USGS>[http://geology.cr.usgs.gov/crc/ USGS Core Research Center], 2015, accessed February 4, 2021.</ref>. ...beds). Unconformities are present at the top and base of Codell. From USGS Core Research Center<ref name=USGS />.
  72 KB (10,249 words) - 20:06, 15 January 2024
• Recognizing stacked depositional sequences from well data
  ...e as many wells as practical. Where available, add measured sections and [[core description]]s to the grid.
  14 KB (1,901 words) - 15:16, 9 January 2024
• Carbonate sedimentary rocks classification
  In oil and gas industry, classifying carbonate rocks is a major step in core and thin section description. Two classification systems have been widely u
  16 KB (1,986 words) - 14:09, 19 December 2023
• Shale-gas resource systems
  ...shalecoreAAPG2006.pdf Detailed geochemical evaluation of Green River shale core: Implication for an unconventional source of hydrocarbons (abs.)]: AAPG Ann ...e well (now named the K. P. Lipscomb 3-GU) drilled in 1999, where pressure core was taken.<ref name=St2007 /> The result was an estimate of 2.13 times 109
  73 KB (10,728 words) - 18:16, 11 January 2024
• Contourites
  ...ing techniques, coupled correlating seismic anomalies from 3D mapping with core and well logging data reveals the depositional geometry and sedimentologica
  13 KB (1,889 words) - 19:11, 6 April 2016
• Ti in zircon geothermometer
  ...2113/0530113.</ref> These zones show compositional differences between the core and rim of the crystal, providing observable evidence of changes in melt co
  16 KB (2,328 words) - 22:11, 3 December 2015
• Fluid flow fundamentals
  ...f-fluid-flow_fig3.png|Figure 3]]). Relative permeabilities are measured in core (petrophysical) laboratories, and the results are reported versus the satur
  20 KB (3,155 words) - 21:20, 19 January 2022
• Carbon dioxide (CO2) storage
  ...ensional seismic method|3-D seismic]], [[Overview of routine core analysis|core]], and many wells and logs. These different types of data are commonly avai
  37 KB (5,487 words) - 21:14, 11 March 2019
• Marcellus Shale (Devonian) -- Appalachian Basin
  ...are overestimated (Blood, et al., 2020). While examining production in the core areas of the Marcellus shale play, Boswell (2021) observed that cumulative
  19 KB (2,773 words) - 21:36, 4 March 2022
• Cross section
  If lithological data from core and/or cuttings are available, these can be displayed in columnar form betw
  20 KB (3,029 words) - 16:09, 24 January 2022
• Thelma field
  ...pg|Figure 10]]). The Longicornis shale is 70 ft (21 m) thick in 16 /17-19 (core part of the Thelma main [[field]]) and is clearly sealing over geological t
  17 KB (2,614 words) - 19:14, 17 January 2022
• Shale-oil resource systems
  ...tt Shale]], 1.430886 times 107 m3 (90 million BOE) in the Bakken Formation core area, and 1.430886 times 108 m3 (900 million BOE) in the Eagle Ford Shale.< ...ce between the organic-rich shales and the carbonates, as all samples were core chips taken at the same time. The organic-rich shale retains even light hyd
  97 KB (14,873 words) - 19:53, 11 January 2024
• Mudstone nomenclature
  ...on and interpretation of original grain sizes in mudstone at the scales of core and outcrops can be challenging, however, because grains are typically modi ...e commonly visualized in mudstone by close inspection of fresh surfaces of core or hand specimens and in digital scans of thin sections<ref name=Lzrea2015a
  58 KB (8,391 words) - 19:46, 20 February 2024
• Mudstones
  ...oirs of the Santa Maria and Santa Barbara—Venture Basins, California: SEPM Core Workshop 14, p. 139–201.</ref><ref name=Bhcs1998>Bohacs, K. M., 1998, Con
  16 KB (2,352 words) - 18:46, 4 December 2023
• Great American carbonate bank, biostratigraphy
  ...d circulation. This distortion is less of a problem in data collected from core material, as is typically the case for [[macrofossil]]s.
  58 KB (8,121 words) - 16:35, 1 August 2016
• Fluid inclusions: analysis and applications
  ...temperature (PVT) measurements at reservoir conditions and the analysis of core and fluids collected during testing and production. The first step in predi
  20 KB (2,691 words) - 21:06, 21 April 2022
• Carbonate reservoir
  ...meability is typically good, and large pore systems are common in the reef core and in the near reef facies. ...s, in R. B. Halley and R. G. Loucks, eds., Carbonate reservoir rocks: SEPM Core Workshop 1, p. 1–31.</ref> in the Permian Yates field in west Texas,<ref>
  38 KB (5,571 words) - 15:31, 16 January 2024
• Vaca Muerta play
  ...first leasing acreage occurred in December 2009, when three blocks in the core of the play (Bajada de Añelo, La Escalonada, and Rincón de la Ceniza) wer ...smic facies derived from the acoustic impedance volume and calibrated with core lithofacies (modified from Reijenstein et al., 2020<ref name=Rjnstn2020>Rei
  77 KB (11,201 words) - 20:07, 15 January 2024
• Meandering fluvial reservoirs
  ...prescriptive. They consider that only limited inferences can be made from core and log data as to the overall geometry of a fluvial reservoir in the subsu
  32 KB (4,727 words) - 21:03, 15 January 2024
• West Texas Super Basin
  ...neral facies identification for the Wolfcamp confirmed with XRF from whole core. Note the siliceous and calcareous mudrock dominance and higher total TOC i Drilling vertical wells, running complete log suites, obtaining core, and testing completion techniques in various intervals provided data and i
  157 KB (23,278 words) - 18:36, 16 January 2024
• Petroleum basins of Turkey
  ...e samples show very high porosity values, but fresh samples taken from the core or from the surface yield porosities much lower than altered surface sample
  52 KB (7,769 words) - 20:28, 18 January 2017
• Three-dimensional modeling of clinoforms in shallow-marine reservoirs
  ...face. The scale of the model fills the gap between detailed but sparse 2-D core and well-log data and low-resolution but extensive 3-D seismic data.
  113 KB (16,689 words) - 22:11, 15 January 2024