Search results

• Dry hole
  ...'s dry hole may be revived (or a twin to it may be drilled) to yield today's successful well.
  322 bytes (52 words) - 13:44, 18 March 2019
• Water saturation
  ...equation?|Archie equation]] is the most widely used method of determining S_w. :<math>\text{Hydrocarbon saturation } (\text{S}_\text{h}) = 1 - \text{S}_\text{w}</math>
  2 KB (227 words) - 13:38, 5 April 2022
• Compensated neutron log
  * [http://www.spec2000.net/07-neutronlog.htm Crain's Petrophysical Handbook]
  306 bytes (36 words) - 19:50, 18 November 2014
• Carbonate classification
  ...of words describing the grains and words describing the cements. Dunham's classification is based on the depositional fabric of the rock.
  1,023 bytes (134 words) - 13:25, 27 March 2015
• Reef
  ...717</ref> and modified from Balch and Hart.<ref>Hart, B. S., and Balch, R. S., 2000, Approaches to defining reservoir physical properties from 3-D seism ...ll and M. E. Monaco, 2009, Shallow-Water Ben­ thic Habitats of St. John, U.S. Virgin Islands. NOAA Technical Memorandum NOS NCCOS 96. Silver Spring, MD.
  2 KB (298 words) - 21:30, 21 November 2014
• AAPG Wiki:Contact us
  : 1444 S Boulder
  179 bytes (25 words) - 15:53, 8 April 2014
• San Juan basin
  ...sinUSGS.jpg|thumb|300px|Map of San Juan Basin, Colorado-New Mexico, USA. U.S. Geological Survey.]] ...n Juan basin and vicinity], in C. E. Turner-Peterson, E. S. Santos, and N. S. Fishman, A Basin Analysis Case Study: Morrison Formation, Grants Uranium R
  3 KB (411 words) - 15:01, 11 January 2016
• Water saturation distribution in a reservoir
  ...roat-size distribution]], and [[Reservoir quality|pore geometry]]. Mapping S_w distribution in a reservoir helps us predict trap boundaries. ...mber|2}}Hypothetical example of an S_w–depth plot with estimated S_w distribution curves for several flow units for a hydrocarbon-be
  5 KB (687 words) - 17:09, 5 April 2022
• Regression
  ...com/understandingearth5e/content/cat_120/08120-01.htm?v=chapter&i=08120.01&s=08000&n=00120&o=|11000| Animation. with a sample seismic line]
  449 bytes (57 words) - 18:48, 28 August 2014
• Stratum
  * [http://www.merriam-webster.com/dictionary/stratum Webster's definition]
  505 bytes (63 words) - 21:52, 18 March 2015
• Transgression
  ...com/understandingearth5e/content/cat_120/08120-01.htm?v=chapter&i=08120.01&s=08000&n=00120&o=|11000| Animation. with a sample seismic line]
  480 bytes (61 words) - 16:30, 28 August 2014
• Ammonite
  ...Ammonitida.jpg|thumb|300px|A variety of ammonite forms, from Ernst Haeckel's 1904 Kunstformen der Natur (Art Forms of Nature).]]
  431 bytes (52 words) - 21:50, 18 March 2015
• Midale water saturation and pore geometry
  ==Log response and S_w== ...metry have the expected effect on log responses and [[water saturation]]s (S_w). The Midale vuggy beds in a cored field well consist of interb
  4 KB (588 words) - 17:01, 12 April 2022
• Oil as an energy source
  ...geria, Indonesia, Libya, Nigeria, and Venezuela, produced 40% of the world's oil and contained 79% of the oil reserves. [[:file:St54Ch3Figure19.jpg|Figu
  3 KB (370 words) - 19:44, 9 June 2015
• Pickett plot construction
  ...54–62.</ref> and therefore is a powerful graphic technique for estimating S_w ranges within a reservoir. All that is needed to make a Pickett # Plot the 100% S_w line.
  6 KB (878 words) - 16:16, 5 April 2022
• Relative permeability
  ...of a reservoir system by definition contains water as a single phase (100% S_w). The [[permeability]] of that rock to water is absolute permea ...b>w</sub> of the rock. In other words, as [[buoyancy pressure]] increases, S_w decreases and the effective size of the pore throat for oil or
  9 KB (1,351 words) - 13:31, 5 April 2022
• Pore system fundamentals
  ...vuggy, or fractured rocks. Copyright: Coalson et al.;<ref>Coalson, E. B., S. M. Goolsby, and M. H. Franklin, 1994, Subtle seals and fluid-flow barriers ...s (connections) per pore. Four critical elements of the geometry of a rock's pore system are
  3 KB (388 words) - 13:52, 4 April 2022
• AAPG Wiki:About
  ...fessional conduct, still guides the Association today. Currently the world's largest professional geological society with over 30,000 members, AAPG prov ...pecial:MyPage|your User page]]''' — you can do whatever you like there, it's your personal page.
  2 KB (242 words) - 15:55, 8 April 2014
• Structural geology fieldwork
  | author = R.A. Nelson, T.L. Patton, S. Serra ...the Sage and Kemmerer 15-Minute Quadrangles, Lincoln County, Wyoming: U., S. Geological Survey Professional Paper 855, 18 p.
  4 KB (557 words) - 20:06, 2 February 2022
• Determining water saturation
  ...Petroleum Transactions of AIME 146: 54–62.</ref> which is less expensive. S_w can also be estimated using a graphical representation of the A
  2 KB (244 words) - 13:38, 5 April 2022
• Forensic geology
  Sherlock Holmes is considered to be the world's first forensic geologist: the first person to use geology in the investigat
  829 bytes (111 words) - 19:21, 16 April 2015
• AAPG Wiki:Scope and strategy
  * To develop AAPG's reputation as a thought-leader and authority in petroleum. * To be part of AAPG's experimentation with new media.
  2 KB (269 words) - 14:09, 17 July 2013
• Botucatu Formation
  ...otucatu_1.jpg|Figure 1]]), formed in a desert environment similar to today’s Sahara Desert, during the Jurassic to Cretaceous on the Gondwana superconti ...lso shows inverse grading.<ref name=Scherer_et_Golberg_2007>Scherer, C. M. S., and K. Goldberg, 2007, Palaeowind patterns during the latest Jurassic–e
  3 KB (432 words) - 17:54, 22 March 2019
• Migration rate calculation
  ...mation for flow in rocks with high percentages of [[clay]]s, like [[shale]]s, due to the platey grain shape of the clays. The [[Wikipedia:Kozeny–Carma Use the version of Darcy's law presented below to calculate the rate of migration for oil or gas:
  4 KB (618 words) - 19:40, 14 February 2022
• Selling a structural play
  | author = R.A. Nelson, T.L. Patton, S. Serra * Appropriate physical and/or mechanical models that clarify the structure's development
  5 KB (738 words) - 15:58, 2 February 2022
• Pc curves and saturation profiles
  * An estimate of [[buoyancy pressure]]s required to enter the pore throats of flow units. ...ts into [[Cross section#Structural cross section|structural cross section]]s shows their position with respect to the [[free water level]] and buoyancy
  5 KB (752 words) - 16:53, 4 April 2022
• Capillary pressure (Pc) curves: pore throat size determination
  ...least one 10μ pore throat radius or larger and represent 10% of the sample's pore volume. This procedure is repeated several more times at different pre ...h'') within a reservoir system. From a capillary pressure curve at a given S_w, we read the capillary pressure and multiply it by a factor tha
  6 KB (898 words) - 16:21, 4 April 2022
• Pore system shapes
  ...ically complex '''non-Archie porosity'''. In most cases, water saturation (S_w) of rocks with Archie porosity can be predicted from log analys :<math>\mbox{S}_{\rm w} = \left(\frac{1}{\Phi^{\rm m}} \times \frac{\mbox{R}_{\rm w}}{\mbo
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• China Shale Gas & Liquids - Songliao and Junggar Basins
  ...China and the most important oil source rocks in the Junggar Basin. China's oldest continental shale is in the Permian strata of the Junggar Basin, whi ...019b>Yang, Z., C. Zou, L. Hou, S. Wu, S. Lin, X. Luo, Z. Zhao, J. Cui, and S. Pan, 2019b. Division of fine-grained rocks and selection of “sweet secti
  6 KB (850 words) - 17:56, 20 December 2023
• Predicting hydrocarbon recovery
  ...place before [[drilling a well]] is a matter of predicting pore volume and S_w. Recovery of hydrocarbons depends on the efficiency of the [[Re ...= \frac{7758 \times \text{A} \times \text{h} \times \Phi \times (1 - \text{S}_\text{w})}{\text{B}_\text{oi}}</math>
  5 KB (691 words) - 17:10, 5 April 2022
• 3-D seismic data: proportional slices and volume visualization
  :<math>S = H_{1} + R \times (H_{2} - H_{1})</math> * ''S'' = the intermediate surface
  3 KB (457 words) - 19:32, 27 January 2022
• Gravity data processing
  [[Gravity]] data as measured must be corrected for the earth's field.<ref name=ch15r2>Chapin, D. A., 1996a, [http://library.seg.org/doi/ab ! Key Input Parameter(s)
  4 KB (519 words) - 14:16, 31 January 2022
• Sorrento field: water saturation
  ...the Morrow Sandstone in Sorrento field, Cheyenne County, Colorado, ''in'' S. A. Sonnenberg, L. T. Shannon, K. Rader, W. F. von Drehle, and G. W. Martin ...saturation]]s. One convenient way to do this is to plot water saturation (S_w) against structural elevation while differentiating [[Pore and
  7 KB (1,044 words) - 16:57, 13 April 2022
• Tectonic setting
  | author = R.A. Nelson, T.L. Patton, S. Serra The play concept envisioned is determined by the tectonic setting(s) in which the play can be pursued, from a structural as well as source and
  2 KB (309 words) - 18:48, 3 February 2022
• Mohorovicic discontinuity
  A zone that separates the Earth's [[crust]] from the underlying [[mantle]]. The Moho typically occurs approxi
  729 bytes (103 words) - 15:49, 4 December 2015
• Structural analogies
  | author = R.A. Nelson, T.L. Patton, S. Serra * Soule, G. S., Spratt, D. A., 1996, En echelon geometry and two-dimensional model of the
  4 KB (579 words) - 20:52, 2 February 2022
• AAPG Wiki:Users
  [[User:Matt]]'s experience is that having too many roles is difficult to manage and results ...Single sign-on || Yes || Edit-plus || The editors, reviewers, [[moderator]]s, SMEs
  2 KB (294 words) - 16:01, 6 August 2013
• Setting and structure of the Sorrento field
  ...the Sorrento field. From Sonnenberg.<ref name=Sonnenberg_1985>Sonnenberg, S. A., 1985, Tectonic and sedimentation model for Morrow sandstone deposition ...ells represent Marmaton wells; triangles, Mississippian wells; and large X's, study wells. The rest of the oil wells produce from the Morrow. Each unit
  3 KB (429 words) - 14:19, 11 April 2022
• Well planning
  * What target(s) will be evaluated? * How will the well(s) be drilled to reach those target(s)?
  6 KB (779 words) - 15:09, 24 January 2022
• Gas hydrates
  ...?id=77 AAPG Memoir 74], p. 85-108.</ref><ref name=Collett_2002>Collett, T. S., 2002, [http://archives.datapages.com/data/specpubs/memoir74/m74ch07/m74ch ...[http://pubs.er.usgs.gov/publication/pp1570 The future of energy gases]: U.S. Geological Survey Professional Paper 1570, p. 299-311.</ref> that 183 bcf
  7 KB (1,050 words) - 20:53, 6 January 2015
• Fracture analysis
  | author = R.A. Nelson, T.L. Patton, S. Serra * Laubach, S. E., 1997, [http://archives.datapages.com/data/bulletns/1997/04apr/0604/060
  5 KB (644 words) - 15:30, 3 February 2022
• Hydrocarbon expulsion, migration, and accumulation
  ...er gradient. From Coalson et al.<ref name=Coalsonetal_1994>Coalson, E. B., S. M. Goolsby, and M. H. Franklin, 1994, Subtle seals and fluid-flow barriers ...b>wr</sub> model can be developed from capillary pressure profiles because S_wr is a function of the profile of pore throat sizes and height a
  6 KB (828 words) - 16:32, 4 April 2022
• Carbonate facies
  An interplay of hydrologic and biologic factors produces [[carbonate]]s in place. Deposition of carbonate sediments is limited to water that is war ...., 1988, Carbonate sequence stratigraphy, in Wilgus, C., K., Hastings, B., S., Kendall, C., G. St. C., Posamentier, H., W., Ross, C., A., Van Wagoner, J
  3 KB (433 words) - 18:32, 6 April 2022
• Douglas K. Strickland
  ...Field. The fields comprise a 100-million-barrel province in an area the U.S. Geological Survey had deemed without any petroleum potential, and which wa ...erine Gas & Oil to get his central Utah prospects drilled. After Wolverine’s discovery of the Covenant Field in Utah, Strickland founded Jayden Consulti
  4 KB (525 words) - 19:41, 14 February 2017
• Natural-gas liquids
  Figures for the world's production of NGL are not consistently reported and are, therefore, not eas ...ficulty for obtaining figures for NGL production, the volumes of the world's total NGL production shown in [[:file:St54Ch3Figure21.jpg|Figure 1]] had to
  4 KB (549 words) - 16:31, 25 June 2015
• Surficial geochemical case history 3: Predrill–postdrill comparison
  ...detail.aspx?id=75 AAPG Memoir 66], p. 431–439.</ref> summarize one company's experience with a soil gas geochemical method. Their exploration program in ...reservoired hydrocarbons and 76% were completed as producers. This company's experience is fairly typical and documents that integration of [[seismic da
  4 KB (499 words) - 22:30, 31 January 2022
• Balanced cross sections
  | author = R.A. Nelson, T.L. Patton, S. Serra Balanced [[cross section]]s honor all available data and are constructed and analyzed to ensure they ar
  8 KB (1,060 words) - 15:07, 3 February 2022
• Traps in a framework of sequence stratigraphy
  | author = John C. Dolson, Mike S. Bahorich, Rick C. Tobin, Edward A. Beaumont, Louis J. Terlikoski, Michael ...F., 1988, Carbonate sequence stratigraphy, in Wilgus, C. K., Hastings, B. S., Posamentier, H. M., Van Wagoner, J., Ross, C. A., Kendall, G. C. St. C.,
  4 KB (486 words) - 14:57, 4 February 2022
• Seismic data: analyzing individual reflectors
  | author = John C. Dolson, Mike S. Bahorich, Rick C. Tobin, Edward A. Beaumont, Louis J. Terlikoski, Michael ...g paleogeomorphology and faults.<ref name=ch21r4>Bahorich, M., S., Farmer, S., L., 1995, 3-D seismic discontinuity for faults and stratigraphic features
  4 KB (481 words) - 18:20, 4 February 2022
• EMD Coal Committee
  ...ov/fecm/office-fossil-energy-and-carbon-management US Department of Energy's Office of Fossil Energy and Carbon Management]
  1 KB (162 words) - 19:01, 18 February 2022
• Waterflooding
  ...reducible_water_saturation interstitial (irreducible) water saturation] (''S''_wi): * ''S''_or = saturation of residual oil (fraction)
  10 KB (1,468 words) - 18:23, 21 January 2022
• Barnett shale play
  ...mary drilling method until 2002 when seven experimental [[horizontal well]]s were drilled. The excellent success of these wells prompted many operators ...APG Bulletin, v. 91, no. 4, pp. 475-499.</ref> Montgomery,<ref>Montgomery, S. L., D. M. Jarvie, K. A. Bowker, & R. M. Pollastro, 2005, [http://archives.
  6 KB (909 words) - 19:24, 14 March 2019
• Full waveform acoustic logging
  ...e Stoneley wave] traveltime; and P, S, and Stoneley wave amplitudes. P and S wave traveltimes and amplitudes provide information about the lithology and ...itudes of these waves are affected by a combination of the formation P and S wave attenuation and that of the borehole fluid. The Stoneley wave travels
  10 KB (1,530 words) - 20:47, 19 January 2022
• What is permeability?
  ...e equation for calculating permeability (using an integrated form of Darcy's law) is ==Limitations of darcy's equation==
  5 KB (694 words) - 20:41, 4 April 2022
• Petrofabrics
  | author = R.A. Nelson, T.L. Patton, S. Serra ...lly at the grain scale. The most commonly studied features are [[fracture]]s (distribution, morphology, and orientation), [[twinning]], [[Reservoir_qual
  4 KB (447 words) - 15:17, 3 February 2022
• AAPG Wiki:Converting content
  ...s to push collected items through a processing flow. It starts from a book's base URL, follows chapter links, and collects the page content. It also has <nowiki>re.sub("\(([a-zA-Z ]*[,] (in press)*[0-9]{4})\)",r"<ref>\1</ref>",s)</nowiki>
  6 KB (826 words) - 18:27, 1 July 2013
• Tmax
  ...ea under the curve represents the amount). The temperature at the time the S₂ peak is recorded during pyrolysis is T_max, given in
  3 KB (411 words) - 21:19, 9 February 2022
• Sequence stratigraphy analysis
  | author = S. R. Jacobson ...goner, J. C., H. W. Posamentier, R. M. Mitchum, P. R. Vail, J. F. Sarg, T. S. Loutit, and J. Hardenbohl, 1988, An overview of the fundamentals of sequen
  4 KB (612 words) - 17:39, 13 April 2022
• Heel
  ...e end of the [[bend (curve)]] and the beginning of the [[lateral]] section(s) of a [[horizontal well]].
  1 KB (180 words) - 18:58, 3 March 2016
• Horizontal well
  ...ive interval of exposure in the wellbore. The horizontal [[Lateral|lateral(s)]] can go beyond true 90&deg; horizontal and actually drill upward.
  1 KB (182 words) - 19:31, 3 March 2016
• Archie equation
  ...equation to calculate, from well log parameters, the [[water saturation]] (S_w) of the uninvaded zone in a formation next to a borehole. The A :<math>\mbox{S}_{\rm w}{}^{\rm n} = \frac{\mbox{R}_{\rm w}}{(\Phi^{\rm m} \times \mbox{R}_
  5 KB (703 words) - 13:52, 5 April 2022
• Magnetics: total intensity and residual magnetic maps
  | author = Edward A. Beaumont, S. Parker Gay ...ensity is the measurement from the magnetometer after a model of the earth's normal magnetic field is removed. It is generally a reflection of the avera
  4 KB (618 words) - 19:55, 27 January 2022
• AAPG Wiki:Wikification
  | || Add '''External links''' (other technical papers, Wikipedia, SEG's wiki) * It's all about the reader.
  8 KB (1,043 words) - 14:09, 6 August 2013
• Hydrocarbon
  ...rmed into sediment as a result of the great heat and pressure in the earth's [[crust]]. They are used as fuels, burnt to release heat and other forms of ...s are tetrahedrally bonded with a bond angle ranging from 109.28° and 25% S-orbital character and 75% P-orbital character. They are made up of a single
  8 KB (1,209 words) - 20:36, 20 March 2019
• Seismic survey components
  To transmit energy into the subsurface, a shot is fired on the earth's surface. Many seismic receivers record the resulting echoes from underlying ...trace]]s are sorted into groups associated with one midpoint on the earth's surface. The 3-D seismic data are sorted into discrete areas called bins. A
  3 KB (426 words) - 19:05, 27 January 2022
• Petrophysical analysis of lithofacies
  | author = John C. Dolson, Mike S. Bahorich, Rick C. Tobin, Edward A. Beaumont, Louis J. Terlikoski, Michael # On structural [[cross section]]s, plot intervals that …
  6 KB (763 words) - 18:53, 4 February 2022
• Plate tectonic studies
  | author = R.A. Nelson, T.L. Patton, S. Serra * Pindell, J. L., and S. F. Barrett, 1990, [http://www.tectonicanalysis.com/site/downloads/Pindell9
  4 KB (601 words) - 18:22, 2 February 2022
• Diagenesis: information from petrology
  | author = John C. Dolson, Mike S. Bahorich, Rick C. Tobin, Edward A. Beaumont, Louis J. Terlikoski, Michael ...d before the formation of [[quartz]] cements, which degraded the reservoir's quality. From Rick Tobin, unpublished data.]]
  4 KB (544 words) - 21:38, 4 February 2022
• Parana-Etendeka CBP
  ...rovince represents one of the major volcanic events on Earth’s history. It's characterized by a fissural volcanism that occurred in the Early Cretaceous ...olcanology and facies architecture of flood basalts, ''in'' M. A. Menzies, S. L. Klemperer, C. J. Ebinger, and J. Baker, eds., Magmatic rifted margins:
  6 KB (922 words) - 19:45, 11 April 2019
• True resistivity determination
  ...uration]] [S_w] = 100%) or [[formation water]] and hydrocarbons (S_w < 100%). Using a valid R_t is fundamental when analy
  3 KB (427 words) - 16:16, 5 April 2022
• Structural interpretation techniques and tools
  | author = R.A. Nelson, T.L. Patton, S. Serra ...dies]] to microscopic examination of [[Petrofabrics|grain-scale structure]]s and from [http://www.merriam-webster.com/dictionary/outcrop outcrop] studie
  1 KB (182 words) - 17:24, 2 February 2022
• Petrophysical analysis of Sorrento field wells
  ...the Morrow sandstone in Sorrento field, Cheyenne County, Colorado, ''in'' S. A. Sonnenberg, L. T. Shannon, K. Rader, W. F. von Drehle, and G.W. Martin, ...dia:Mesoporous material|mesoporous]] and are at immobile water saturation (S_w = 45%). This is verified by the well testing about 100 bo/d and
  7 KB (956 words) - 17:24, 11 April 2022
• Coal
  ...] dominated by [[Thermal maturation#Vitrinite|vitrinite]] group [[maceral]]s. Thermal [[maturation]] transforms peat to lignite, bituminous coal, and th ...http://www.britannica.com/EBchecked/topic/27447/anthracite anthracite coal]s. As this transformation occurs, the moisture content and the volatile matte
  5 KB (737 words) - 14:52, 15 August 2016
• Using analogs to identify critical elements
  The analog method is the most effective method, in the author's opinion. It closely follows the scientific method: establishing the critica ...geological societies publish field studies that can serve as analogs. AAPG's 11-volume ''Treatise of Petroleum Geology, Atlas of Oil and Gas Fields'' is
  3 KB (498 words) - 16:03, 18 February 2022
• Agglutinated microfossils
  ...e forms may include silt or sand grains, [[glauconite]], [[sponge spicule]]s, or even other foraminiferal tests. Some species are highly selective in th ...ated foraminifera as indicators of organic carbon flux, in M. A. Kaminski, S Geroch, and M. A. Gasiński, eds., Proceedings of the Fourth International
  4 KB (468 words) - 15:16, 31 January 2022
• Energy: historical sources
  ...renewable ([[oil]], [[natural gas]], [[coal]], [[tar sands]], [[oil shale]]s) and renewable ([[nuclear power|nuclear]], [[hydroelectric power|hydroelect ...uring the second half, and as of 2005, gas provided about 22% of the world's consumption of energy. The energy supplied by running water has been used f
  4 KB (530 words) - 20:35, 6 January 2015
• Fracture threshold in the real world
  ==Stress and Poisson's ratio variation== ...http://en.wikipedia.org/wiki/Poisson%27s_ratio%20Poisson's%20ratio Poisson's ratio] depend on lithology and bed geometry as well as depth and compaction
  6 KB (930 words) - 15:49, 30 March 2022
• Morrow lithofacies and pore types: Sorrento field
  ...[Pore and pore throat sizes|pore-throat sizes]], and [[capillary pressure]]s. In addition, the depositional environment of these sandstones ([[Lithofaci ...|{{figure number|1}} From Sonnenberg.<ref name=Sonnenberg_1985>Sonnenberg, S. A., 1985, Tectonic and sedimentation model for Morrow sandstone deposition
  6 KB (769 words) - 17:23, 11 April 2022
• Total organic carbon (TOC)
  ...ount of organic carbon present in a rock is a determining factor in a rock's ability to generate hydrocarbons. ...controls the amount of organic carbon contained in a rock. [[Source rock]]s are generally associated with areas where high organic productivity is comb
  3 KB (428 words) - 16:33, 13 April 2022
• Formation water density
  ...\mbox{T}_{\rm s} + \mbox{D}_{\rm f} \left(\mbox{BHT} - \frac{\mbox{T}_{\rm s}}{\mbox{TD}}\right)</math> #*::: T_s = average surface temperature (°F)
  5 KB (714 words) - 15:19, 13 September 2022
• Reservoir system analysis
  # Select a key well(s) for detailed petrophysical analysis (see [[Petrophysical analysis of litho # Subdivide the reservoir in the key well(s) into flow units (see [[Flow units for reservoir characterization]]).
  4 KB (547 words) - 18:09, 1 April 2022
• Basin-fill and trap analysis
  | author = John C. Dolson, Mike S. Bahorich, Rick C. Tobin, Edward A. Beaumont, Louis J. Terlikoski, Michael ...is looking for [[Stratigraphic trap|stratigraphic]] or [[combination trap]]s by combining [[paleogeography]] with the results of the [[Geometrical analy
  1 KB (189 words) - 18:53, 4 February 2022
• Fault seal-conduit studies
  | author = R.A. Nelson, T.L. Patton, S. Serra These data are important in [[trap]]s where faults play an important role in the critical [[seal]]. The analysis
  5 KB (638 words) - 14:17, 2 February 2022
• Gravity applications: examples
  ...16/S0899-5362(89)80029-6].</ref> and Millegan<ref name=ch15r8>Millegan, P. S., 1990, Aspects of the interpretation of Mesozoic rift basins in northern S ...rom Grow et al.<ref name=Growetal_1988>Grow, J. A., K. D. Klitgord, and J. S. Schlee, 1988, Structure and evolution of Baltimore Canyon Trough, ''in'' R
  6 KB (915 words) - 15:10, 31 January 2022
• Buckles plot
  A Buckles plot is a plot of water saturation (S_w) vs. [[porosity]]. Contours of equal bulk volume water (BVW) ar
  1 KB (183 words) - 18:19, 26 March 2015
• History of oil
  ...United States as oil producers, and by the turn of the century, the world's production had reached 350 million bbl per year. Production of oil reached ...mely interesting history of the oil industry can be found in Daniel Yergin's [http://books.google.com/books/about/The_Prize.html?id=WiUTwBTux2oC The Pri
  5 KB (778 words) - 21:14, 12 March 2019
• Frontier reconnaissance techniques and tools
  | author = R.A. Nelson, T.L. Patton, S. Serra
  2 KB (211 words) - 17:54, 2 February 2022
• Static hydrocarbon pressure gradients
  ...[[Dip|downdip]] [[hydrocarbon column]] length by plotting a [[reservoir]]'s static hydrocarbon pressure gradient vs. its [[Normal hydrostatic pressure
  2 KB (195 words) - 15:17, 17 February 2022
• Predicting preservation and destruction of accumulations
  Some petroleum [[accumulation]]s are likely to persist for hundreds of millions of years with relatively lit .../natural_gas.aspx gas] has been diluted or altered so that [[accumulation]]s are no longer economic.
  5 KB (782 words) - 22:36, 31 January 2022
• Gravity basics
  ...0 ppm of the total field. Several corrections are made to remove the earth's field from the total measurement to image these anomalies. For petroleum ex ...ravity measurement, extra care must be taken to keep track of the platform's position. The resulting gravity is usually not as accurate as land data.
  5 KB (720 words) - 17:59, 24 January 2022
• AAPG Wiki:Governance documents
  ;Privacy policy: What one may or may not do with a user's data or behaviour.
  3 KB (373 words) - 16:41, 31 July 2013
• Seismic inversion
  ...seismic method is that coverage can be made over large areas of the earth's surface. This is especially true of the large three-dimensional surveys tha As an example of inversion applied to real data, let's consider a 3-D case study that was done in the Taber area of southern Alber
  8 KB (1,196 words) - 18:48, 21 January 2022
• Magnetics
  | author = Michael S. Reford ...med, and ''induced magnetism'', which is proportional to the present earth's field and the magnetic susceptibility of the rocks. The magnetization disap
  10 KB (1,481 words) - 15:39, 24 January 2022
• Surficial geochemical survey objectives
  ...elated with known oils and gases to identify the specific petroleum system(s) present. Seepage data allow the explorationist to screen large areas quick ...other seepage detection methods in exploring frontier basins, in Hansjien, S., ed., Petroleum Exploration and Exploitation in Norway: NPF Special Public
  8 KB (1,055 words) - 16:29, 25 January 2022
• Type IIS kerogen
  ...16/0146-6380(86)90049-5.</ref> type IIS pathway on [[Van Krevelen diagram]]s.<ref name=Petersetal_2012>Peters, Kenneth E., David J. Curry, and Marek Kac
  1 KB (205 words) - 21:10, 6 July 2015
• Basin-centered gas systems: historical development and classification
  ...dolph_1974c>Randolph, P. L., 1974, Massive stimulation effort may double U.S. gas supply, part 3: World Oil, v. 179, no. 6, p. 81-84.</ref> ...D. S. Hamilton, H. S. Hamlin, T. F. Hentz, W. E. Howard, M. S. Akhter, and S. E. Laubach, 1993, Major low-permeability sandstone reservoirs in the conti
  9 KB (1,373 words) - 13:40, 10 March 2015
• Macroseepage vs. microseepage in surficial geochemistry
  ...AAPG Bulletin, vol. 36, p. 1505–1541.</ref><ref name=ch18r23>Macgregor, D. S., 1993, Relationships between seepage, tectonics, and subsurface petroleum ...roleum Geology Bulletin, vol. 9, p. 208–221., 10., 1016/0264-8172(92)90092-S</ref>
  6 KB (754 words) - 22:07, 24 January 2022
• Pore and pore throat sizes
  ...re number|1}}From Coalson et al.<ref name=Coalsonetal_1994>Coalson, E. B., S. M. Goolsby, and M. H. Franklin, 1994, Subtle seals and fluid-flow barriers ...pore throat sizes for a sample. Erlich et al.<ref name=ch09r17>Erlich, R., S. J. Crabtree, K. O. Horkowitz, and J. P. Horkowitz, 1991, [http://archives.
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• Spontaneous potential logs in water resistivity calculation
  ...f} = \mbox{T}_{\rm s} + \mbox{D}_{\rm f} \frac{\mbox{BHT} - \mbox{T}_{\rm s}}{\mbox{TD}}</math> * T_s = average surface temperature
  6 KB (1,027 words) - 16:40, 5 April 2022
• East Breaks petroleum geology
  ...specially the occurrence of probable [[source rock]], [[migration pathway]]s, and [[reservoir]]. ...and local [[minibasin]] history. Fault and salt-wall [[migration pathway]]s provide vertical avenues for migration. [[Lithofacies_and_environmental_ana
  4 KB (494 words) - 13:44, 5 December 2023
• Geometrical analysis
  | author = John C. Dolson, Mike S. Bahorich, Rick C. Tobin, Edward A. Beaumont, Louis J. Terlikoski, Michael ...[Definitions_of_depositional_system_elements#Systems_tracts|systems tract]]s, and [[Parasequences (fourth- and fifth-order sequences)|parasequences]] an
  2 KB (239 words) - 14:58, 4 February 2022
• AAPG Wiki:General disclaimer
  ...tion to the services, violation of these Terms and Conditions, or the user's violation of the rights of a third party when in any way associated or conn ...agrees that AAPG may, without prior notice, immediately terminate the user's authorization to use this Web site. Causes for such termination shall inclu
  4 KB (654 words) - 18:31, 2 August 2013
• Functions of a petroleum landman
  ...n acres). In additional, 54 million acres of Indian lands are subject to U.S. government leasing control, and leasing rights to 44 million acres in Alas ...=Kimball_1982>Kimball, W. C., 1982, Fee Land Determination (Record Checker's Bible): Midland, TX, Midland Enterprises, 65 p.</ref> <ref>American Associa
  5 KB (759 words) - 19:25, 19 January 2022
• Amplitude (seismic)
  ...2.png|350px|thumbnail|right|Figure 2 Acquisition Seismic Data.<ref>Boyer, S. and Mari, J.L (1997). Seismic Surveying and Well Logging. Paris: Technip</ ...ttern of wavelet is symmetry so picking horizon become easy.<ref>Sukmono , S. and Agus, A. (2001). Karakterisasi Reservoir Seismik. Bandung: Lab. Geofis
  8 KB (1,291 words) - 15:49, 18 January 2017
• Surficial geochemical interpretation guidelines
  ...6>Thrasher, J., A., Fleet, A., J., Hay, S., J., Hovland, M., Duppenbecker, S., 1996, [http://archives.datapages.com/data/specpubs/memoir66/17/0223.htm U ...lletin, vol. 67, p. 932–952.</ref> Kornacki<ref name=ch18r20>Kornacki, A., S., 1996, [http://archives.datapages.com/data/specpubs/memoir66/32/0413.htm P
  8 KB (1,128 words) - 22:24, 31 January 2022
• Displacement pressure estimation from pore size
  [[Displacement pressure]] can be estimated from pore size using Washburn's<ref name=ch10r90>Washburn, E., W., 1921, Note on a method of determining th ...797(74)90265-3</ref><ref>Etris, E. L., D. S. Brumfield, R. Ehrlich, R. and S. J. Crabtree, 1988, Relation between pores,
  5 KB (766 words) - 22:55, 2 February 2016
• AAPG Wiki:Personas
  ...xample, it might be useful to cover the young, and the near-retirement. It's important to represent industry and academia.
  1 KB (225 words) - 13:31, 6 August 2013
• Pressure compartments
  ...lation]] of petroleum and the [[diagenesis]] of [[reservoir]]s and [[seal]]s. ...troleum Geology of Northwest Europe: Proceedings of the Geological Society's 4th conference, London, p. 1305–1313.</ref> lists ways pressure compartme
  6 KB (828 words) - 17:57, 17 February 2022
• East Breaks source rock
  ...rce of the hydrocarbons. Taylor and Armentrout<ref name=ch04r93>Taylor, G. S., and J. M. Armentrout, 1990, Rock geochemistry and relationships to produc ...From Hall et al.;<ref name=Hall1993>Hall, D. J., B. E. Bowen, R. N. Rosen, S. Wu, and A. W. Bally, 1993, Mesozoic and early Cenozoic development of the
  7 KB (1,080 words) - 17:44, 23 March 2022
• Amplitude versus offset (AVO) analysis
  ...Leading Edge, June, p. 15-22.</ref> Neidell,<ref name=pt07r38>Neidell, N. S., 1986, Amplitude variation with offset: Geophysics—The Leading Edge, Mar ...henomena that may be present large enough to overcome the various [[noise]]s in the system? Are there sufficient differences between geological conditio
  12 KB (1,723 words) - 18:41, 20 January 2022
• Nuclear power
  ....aspx?orig_q=RN:31039830 The need for nuclear power-Viewpoint on the world's challenging energy future]: International Atomic Energy Agency Bulletin, v. ....aspx?orig_q=RN:31039830 The need for nuclear power-Viewpoint on the world's challenging energy future]: International Atomic Energy Agency Bulletin, v.
  9 KB (1,351 words) - 15:58, 12 September 2014
• Interpreting hydrocarbon shows
  Direct indications of hydrocarbons—seen in [[drilling fluid]]s, cuttings, cores, or formation tests—may be of several types:<ref name=ch ...turation (S_o), or 100% S_w, and ends up with a higher S_o. Water refills the reservoir as hydrocarbons exit a trap (fill-
  8 KB (1,130 words) - 17:09, 5 April 2022
• Surface geochemical exploration: assumptions
  ...best developed in areas with numerous well-developed [[migration pathway]]s and an active [[petroleum system]]. ...ships between surface geochemical anomalies and subsurface [[accumulation]]s can be complex; proper interpretation requires integrating seepage data wit
  4 KB (605 words) - 19:24, 24 January 2022
• Reservoir engineering
  Porosity (Phi) 5, permeability (k) mD, fluid saturation (S) %, capiler pressure (Pc) Psi, compressibility (C) Psi^-1, resist ===Fluid Saturation (S)===
  14 KB (2,122 words) - 17:33, 7 March 2016
• Dolomite
  | author = Lyndon S. Land ...definition to include only ordered phases. Land<ref name=Land_1980>Land L. S., 1980, The isotopic and trace element geochemistry of dolomite; the state
  9 KB (1,409 words) - 19:14, 3 March 2016
• Molyneux:sandbox
  * [[Fault trace]]s This is on the [[Seismic attributes]] page ...le="font-family:Garamond;font-size:28pt;color:orange">This is Bev Molyneux's sandbox.</span>
  5 KB (543 words) - 23:45, 8 January 2015
• Coal bed methane (UB)
  ...(C2H6), and traces of propane (C3H8) and butanes (C4H10).<ref>Thakur, P., S. Schatzel, and K. Aminian, eds., 2014, Coal bed methane—from prospect to ...ed from Al-Jubori<ref name=Al-Jubori>Al-Jubori, A., S. Johnston, C. Boyer, S. W. Lambert, O. A. Bustos, J. C. Pashin, and A. Wray, 2009, Coalbed methane
  5 KB (839 words) - 17:19, 28 March 2019
• Fluid flow fundamentals
  ==Extension of Darcy's law== Darcy's law, which was originally developed for water flow, has been extended to de
  20 KB (3,155 words) - 21:20, 19 January 2022
• Sandstone permeability estimation from cuttings
  ==Sneider's pore classification for clastics==
  6 KB (882 words) - 17:19, 6 April 2022
• Natural hydraulic fracturing of top seals
  ...cturing is artificially induced during leak-off tests, well [[stimulation]]s, and subsurface waste disposal.<ref>Evans, D. M., 1966, The Denver area ear | 2 || Determine ν, [http://en.wikipedia.org/wiki/Poisson%27s_ratio Poisson's ratio].
  9 KB (1,274 words) - 15:44, 30 March 2022
• AAPG Wiki:Main Page
  ...arge image with not too many colours, low saturation or low brightness. It's easy to tweak text colour, link colour, etc if needed. It should be about t
  2 KB (311 words) - 16:11, 2 April 2014
• Designing a surficial geochemical survey
  * Ability to sample along (and/or between) key [[seismic line]]s # Research the method(s); investigate contractor, past clients.
  6 KB (826 words) - 17:33, 25 January 2022
• Enhanced oil recovery
  | author = Vernon S. Breit ...econdary recovery operations. The main factors that control the value of ''S''_or are pore geometry, rock [[wettability]], and the properties
  12 KB (1,794 words) - 21:19, 19 January 2022
• Correlation and regression analysis
  ...als is the basis for two measures of goodness of fit: the error variance ''s''² and the multiple correlation coefficient (also called the coe :<math> s^2 = \frac{\displaystyle \sum_{i} (y_{i}-\widehat{y_{i}})}{n - 2}</math>
  9 KB (1,366 words) - 16:37, 19 January 2022
• Guará Formation
  ...formally designated in 2005<ref name=Scherer_et_Lavina_2005>Scherer, C. M. S., and E. L. Lavina, 2005, Sedimentary cycles and facies architecture of eol ...the Paraná Basin (Ordovician to Cretaceous), Southern Brazil. Bol. IG USP, Série Científica, v. 29, p.125-173.</ref> ([[:file:Guara_02.jpg|Figure 2]])
  6 KB (856 words) - 19:51, 2 April 2019
• Tool table
  ! F || S || B || K || O || Excentered || Stand-Off (in.) || Centered ^b_{Mud types: F = freshwater (low salt), S = high salt, B = barite, K = high potassium salt, O = oil-based.}<br>
  5 KB (544 words) - 16:27, 18 January 2022
• Maps of hydrocarbon types: Gulf of Mexico example
  ...s estimate the number and distribution of mature generating [[source rock]]s. The map of hydrocarbon types in [[:file:sedimentary-basin-analysis_fig4-5. ...Gross et al.<ref name=ch04r40>Gross, O. P., K. C. Hood, L. M. Wenger, and S. C. Harrison, 1995, Seismic imaging and analysis of source and migration wi
  5 KB (633 words) - 20:02, 18 February 2022
• Oil correlation case history: Brazilian offshore basins
  ...also help determine the depositional setting of the source(s) for the oil(s). It is often possible to predict the source of an oil from its chemical co ...argin. From Mello et al.;<ref name=ch08r30>Mello, M. R., P. C. Gaglianone, S. C. Brassell, and J. R. Maxwell, 1988a, Geochemical and biological marker a
  8 KB (1,086 words) - 22:16, 15 February 2022
• Bakken and Three Forks Formations, Williston Basin, North Dakota and Montana (USGS)
  '''By Kristen Marra, U.S. Geological Survey, Denver, Colorado, USA''' ...ulletin, v. 99, no. 4, p. 639–660.</ref>; <ref name=Sonnenberg>Sonnenberg, S. A., 2017, Sequence Stratigraphy of the Bakken and Three Forks Formations,
  11 KB (1,595 words) - 20:20, 2 June 2021
• Cuba: Geology and regional setting
  ...Central Intelligence Agency employee, taken or made as part of that person's official duties. As a Work of the United States Government, this image or m ...[Paleogene]] [[orbitoid]]s), the gigantic Upper [[Cretaceous]] [[rudistid]]s, the spectacular [[limestone]] Mogotes of Pinar del Rio, the extensive [htt
  13 KB (1,851 words) - 20:43, 7 July 2016
• Vertical and lateral seismic resolution and attenuation
  ...ould be zero phase. Data quality, the mode of display, and the interpreter's experience are also clearly factors in being able to resolve reflections. Assuming that the three foregoing conditions have been met, let's examine a simple model of a very gentle wedge for which the physical proper
  8 KB (1,164 words) - 20:24, 21 January 2022
• Mudlogging: equipment, services, and personnel
  ...ment-services-and-personnel_fig1.png|{{figure number|1}}Standard mudiogger's work area. (A) Chromatograph. (B) Chromatograph chart. (C) Back-up chromato ...eral layout of mudlogging unit. (A) Sample examination area. (B) Mudlogger's work area. (C) Sample preparation area. (Photo. Copyright: Long Co. Technic
  8 KB (1,031 words) - 15:27, 24 January 2022
• Rock quality
  ...etter reservoir rock because it has larger pore throats and lower immobile S_w. K_a/Φ ratio or r₃₅ accounts for the inte ...r-system-quality-and-performance_fig9-18.png|Figure 3]] illustrate Pittman's point.
  10 KB (1,534 words) - 16:53, 4 April 2022
• China Shale Gas & Liquids - Sichuan Basin
  Dong, T., He, S., Chen, M., Hou, Y., Guo, X., Wei, C., Han, Y., Yang, R., 2019. Quartz type Lu, Y., Hao, F., Lu, Y., Yan, D., Xu, S., Shu, Z., Wang, Y., Wu, L., 2020. Lithofacies and depositional mechanisms
  7 KB (985 words) - 18:54, 4 December 2023
• Petroleum source rocks
  | author = S. R. Jacobson ...me of the variations in oil-prone organic matter not considered in Lopatin's coal studies. Ungerer and Pelet<ref>Ungerer, P., and R. Pelet, 1987, Extrap
  12 KB (1,616 words) - 17:35, 13 April 2022
• AAPG Wiki:Wiki manager
  ...not closely aligned with static web content, but is more akin to the AAPG's nascent blog channel, or its membership engagement functions.
  2 KB (294 words) - 16:44, 22 July 2013
• Regional pressure compartments
  ...he Anadarko basin. From Bradley and Powley;<ref name=BandP1995>Bradley, J. S., and D. E. Powley, 1995, [http://archives.datapages.com/data/specpubs/memo ...in the compartment can be over, under, or normal. We can map a compartment's top, bottom, and sides from pressure measurements. Since pressure measureme
  6 KB (811 words) - 17:58, 17 February 2022
• Procedure for geometrical analysis
  | author = John C. Dolson, Mike S. Bahorich, Rick C. Tobin, Edward A. Beaumont, Louis J. Terlikoski, Michael ...trap_types|systems tracts]], and/or [[Hierarchy of sequences|parasequence]]s. Recognizing these correlation features is key to identifying depositional
  6 KB (862 words) - 15:20, 4 February 2022
• 2014 wiki write off
  Welcome to AAPG's inaugural Wiki Write Off!
  2 KB (257 words) - 19:24, 27 July 2015
• Sequence stratigraphy
  | author = John C. Dolson, Mike S. Bahorich, Rick C. Tobin, Edward A. Beaumont, Louis J. Terlikoski, Michael ...AAPG Bulletin, vol. 82, no. 1, p. 110–146.</ref><ref name=ch21r34>Prosser, S., 1993, Rift-related linked depositional systems and their seismic expressi
  8 KB (1,093 words) - 21:21, 3 February 2022
• Preprocessing of logging data
  ...libration: The Log Analyst, v. 21, n. 2.</ref><ref name=pt04r7>Neinast, G. S., Knox, C. C., 1973, Normalization of well log data: SPWLA 14th Annual Logg ...luable aid in establishing depth correlations between core and logs. Boyle's law core porosity and core grain density can be used to construct a core bu
  13 KB (2,094 words) - 17:42, 18 January 2022
• Wellsite safety
  ...e is governed by federal and state regulations, as well as by the operator's in-house codes. Federal regulations are established in the ''Safety and Hea ...any drilling locations is hydrogen sulfide. Hydrogen sulfide (H₂S) is a colorless gas that has a “rotten egg” odor at concentrations belo
  9 KB (1,411 words) - 15:10, 24 January 2022
• Chronostratigraphy
  ...art] as its guide to formal chronostratigraphy.<ref name=ICS>Cohen, K. M., S. C. Finney, P. L. Gibbard, and J.-X. Fan, 2013, The ICS International Chro
  3 KB (354 words) - 18:34, 14 March 2019
• Drive mechanisms and recovery
  ...hanisms''. Early determination and characterization of the drive mechanism(s) present within a reservoir may allow a greater ultimate recovery of hydroc ...expansion of the oil and its dissolved gas provides most of the reservoir's drive energy ([[:File:Drive-mechanisms-and-recovery_fig3.png|Figure 3]]). A
  16 KB (2,374 words) - 20:46, 19 January 2022
• Natural gas: history and forecast
  ...[http://pubs.er.usgs.gov/publication/pp1570 The future of energy gases]: U.S. Geological Survey Professional Paper 1570, p. 607-616.</ref>
  5 KB (786 words) - 16:33, 25 June 2015
• Economics of property acquisitions
  ...ul geotechnical and operational evaluation and discounted at the purchaser's corporate discount rate. Frequently, the next step is to recalculate the pr ..., rates, costs, and prices, project present value is estimated at the firm's chosen discount rate at ''probabilistic levels'' (''P''_90%, ''P'
  11 KB (1,584 words) - 16:04, 21 January 2022
• Solar energy
  ...r, and at all latitudes, only a part of the sun's energy reaches the Earth's surface. ...es. Proper architectural design of buildings to take advantage of sunlight's heat is receiving increasing attention. Several devices ([[Wikipedia:Solar_
  7 KB (1,091 words) - 13:31, 12 September 2014
• Identifying depositional sequences from biostratigraphic data
  ...abundance interval due to sediment starvation<ref name=ch04r59>Loutit, T. S., J. Hardenbol, P. R. Vail, and G. R. Baum, 1988, Condensed sections: the k ...m for the planktonic foraminiferal microfossils ''Globorotalia menardii'' (s = sinistral) and ''Globorotalia inflata'' from the MSC 160-1 core hole, Eas
  9 KB (1,143 words) - 14:57, 23 February 2022
• Lithofacies analysis
  | author = John C. Dolson, Mike S. Bahorich, Rick C. Tobin, Edward A. Beaumont, Louis J. Terlikoski, Michael # Integrate calibrated well logs into well log [[cross section]]s constructed during well log [[Sequence stratigraphy|sequence analysis]].
  2 KB (317 words) - 18:52, 4 February 2022
• Petroleum source rock formation
  | author = S. R. Jacobson
  2 KB (296 words) - 17:35, 13 April 2022
• Making regional structural cross sections
  Regional structural [[cross section]]s show interpretations of the present-day geology of a basin. They illustrate ...fferentially loading the plastic salt, causing diapirs and [[growth fault]]s to develop.<ref name=ch04r98>Trippet, A. R., 1981, Characteristics of diapi
  7 KB (970 words) - 20:33, 18 February 2022
• Forward modeling of seismic data
  ...imensional and consist of depth horizons and associated P wave velocities, S wave velocities, and densities ...mber of case study examples can be found in Fagin.<ref name=pt07r12>Fagin, S. W., 1991, Seismic Modeling of Geologic Structure: Tulsa, OK, Society of Ex
  10 KB (1,513 words) - 21:16, 19 January 2022
• China Shale Gas & Liquids - Bohai Bay Basin
  ...from the well-known Shengli Oilfield, Jiyang subbasin. Nearly 33% of China’s domestic oil production comes from the Bohai Bay Basin (Hao et al., 2011), ...11.2%, respectively), and therefore, high density and viscosity (~57.7 mPa·s) (Figure 5), e.g., poor mobility. In addition, the terrestrial shale in the
  8 KB (1,251 words) - 15:51, 14 March 2022
• Diagenetic impact on traps
  | author = John C. Dolson, Mike S. Bahorich, Rick C. Tobin, Edward A. Beaumont, Louis J. Terlikoski, Michael * [[Stratigraphic trap]]s
  2 KB (297 words) - 21:06, 3 February 2022
• Great American carbonate bank
  | author = R. D. Fritz, W, A. Morgan, S. Longacre, J. R. Derby, C. A. Sternbach ...k (GACB) refers to a system of [[carbonate]]s and related [[siliciclastic]]s that were deposited on and around the [[Laurentia]]n continent during the [
  5 KB (768 words) - 18:39, 1 August 2016
• Types of diagenetic traps
  | author = John C. Dolson, Mike S. Bahorich, Rick C. Tobin, Edward A. Beaumont, Louis J. Terlikoski, Michael Diagenetic [[trap]]s are created by [[Pore system fundamentals|pore throat]] modifications of pr
  2 KB (294 words) - 21:01, 4 February 2022
• Weyburn seal capacity
  ...it uses readily available core analyses. The method relates a core sample's porosity and permeability to the pore throat size indicated at a given nonw ==Winland's r₁₀==
  10 KB (1,484 words) - 20:55, 4 December 2023
• Wellsite math
  | ^D s || Smaller diameter || in. | L_s || Length of pump stroke || in.
  21 KB (3,142 words) - 15:10, 24 January 2022
• Prudhoe Bay field
  ...69, p. 286.</ref> McGowen et al.<ref name=Mcgowenetal_1987>McGowan, J. H., S. Bloch, and D. Hite, 1987, Depositional facies, diagenesis, and reservoir q
  11 KB (1,634 words) - 16:34, 26 April 2016
• Saturations required for hydrocarbon flow
  ...f 25–91% may be required.<ref name=ch10r27>England, W., A., Mackenzie, A., S., Mann, D., M., Quickley, T., M., 1987, The movement and entrapment of petr
  2 KB (313 words) - 13:57, 1 April 2022
• Sediment thickness and field location maps: Gulf of Mexico example
  ...et al.<ref name=Grossetal_1995>Gross, O. P., K. C. Hood, L. M. Wenger, and S. C. Harrison, 1995, Seismic imaging and analysis of source and migration wi ...enerated and provide an estimate of the potential number of [[source rock]]s within the area (see [[:file:Sedimentary-basin-analysis fig4-5.png|Figure 3
  5 KB (753 words) - 19:58, 18 February 2022
• Seismic data and mapping structure
  ...ensely drilled shallow horizon, avoiding the weathering layer at the earth's surface
  2 KB (320 words) - 19:10, 27 January 2022
• Fault plane profile construction
  ...endent [[Trap leakage|leak points]], and help assess [[hydrocarbon volume]]s. ...to its correct depth on the fault plane profile.<ref name=ch10r2>Allan, U. S., 1989, [http://archives.datapages.com/data/bulletns/1988-89/data/pg/0073/0
  6 KB (834 words) - 14:51, 29 March 2022
• Petroleum system naming
  ...enerated the hydrocarbons in an [[accumulation]]. At the end of the system's name, the level of certainty is indicated by (!) for known, (.) for hypothe
  3 KB (367 words) - 18:35, 25 January 2022
• Pressure compartment seals
  ...troleum Geology of Northwest Europe: Proceedings of the Geological Society's 4th conference, London, p. 1305–1313.</ref> Copyright: The Geological Soc ...quent bleed-down of pressure allows temporary rehealing of the [[fracture]]s. This cycle undoubtedly repeats many times. (David Powley, personal communi
  5 KB (763 words) - 17:58, 17 February 2022
• Growth strata
  ...define the timing of deformations. In contractional fault-related [[fold]]s, growth strata typically thin across fold limbs toward structural highs. Th ...ismic data, reprinted from Shaw et al.<ref name=Shawetal_1997>Shaw, J. H., S. C. Hook, and B. Satrio, 1997, [http://www.searchanddiscovery.com/abstracts
  13 KB (1,930 words) - 22:28, 20 January 2016
• Relating traps to paleogeography
  ...igh. Copyright: Armentrout et al.;<ref name=Armetal1991>Armentrout, J. M., S. J. Malacek, P. Braithwaite, and C. R. Beeman, 1991, Seismic facies of slop ...e slope valleys.<ref name=ch04r3>Anderson, R., N., Abdulah, K., Sarzalejo, S., Siringan, F., Thomas, M., A., 1996, Late Quaternary sedimentation and hig
  11 KB (1,482 words) - 15:47, 21 March 2022
• Quantitative biostratigraphy
  ...n.wiktionary.org/wiki/isochronous synchronous] markers; those off the line(s), [http://www.thefreedictionary.com/diachronous diachronous].
  6 KB (785 words) - 20:58, 31 January 2022
• Economics: fundamental equations for oil and gas property evaluation
  ...allments. Also, maintenance costs are incurred repeatedly during a project's lifetime. So the [[Economics: time value of money|time value of money]] inv ...ty levels—to management accurately and consistently. Otherwise, management's investment decisions may be misguided and imprudent. Thus, the financial re
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• East Breaks hydrocarbon accumulation model
  ...es. From Armentrout et al.;<ref name=Armentroutetal1991>Armentrout, J. M., S. J. Malacek, P. Braithwaite, and C. R. Beeman, 1991, Seismic facies of slop ...85–88, 90–92.</ref><ref name=ch04r2>Anderson, R., N., Flemings, P., Losh, S., Austin, J., Woodhams, R., 1994, [http://www.ogj.com/articles/print/volume
  8 KB (1,015 words) - 16:59, 23 March 2022
• Seismic data
  | author = R.A. Nelson, T.L. Patton, S. Serra ...compressional wave data, can provide information on lithology, [[fracture]]s, and the presence of hydrocarbons.
  5 KB (712 words) - 21:27, 2 February 2022
• Gas chromatography/mass spectrometry (GC/MS): examples of correlations
  ...the North Sea. From Telnæs and Cooper;<ref name=ch08r53>Telnæs, N., and B. S. Cooper, 1991, Oil-source rock correlation using biological markers, Norweg Numbered peaks are hopanes. T_s and T_m are, respectively, 18α(H)-22,29,30-trisnorneo-hopa
  6 KB (775 words) - 21:49, 15 February 2022
• East Breaks hydrocarbon migration model
  ...92.</ref> and Anderson et al<ref name=ch04r2>Anderson, R. N., P. Flemings, S. Losh, J. Austin, and R. Woodhams, 1994, [http://www.ogj.com/articles/print ...tterns have been suggested by Hanor and Sassen.<ref name=ch04r42>Hanor, J. S., and R. Sassen, 1990, Evidence for large-scale vertical and lateral migrat
  10 KB (1,376 words) - 16:00, 23 March 2022
• Selecting a surficial geochemistry survey method
  ...hod(s) for a surface geochemical exploration program? The choice of method(s) depends on the kinds of questions you hope the survey results will answer. ...he very [[hydrocarbon]]s we hope to find in our [[trap]]s and [[reservoir]]s. Additionally, chemical and isotopic analysis of these hydrocarbons, especi
  6 KB (809 words) - 17:05, 25 January 2022
• Borehole gravity
  ...d definition of remote structures, such as salt domes, faults, and [[reef]]s. ...turated sands are a particularly easy target.<ref name=pt07r16>Gournay, L. S., and R. E. Maute, 1982, Detection of bypassed gas using borehole gravimete
  10 KB (1,517 words) - 15:54, 20 January 2022
• Permeability
  ...ig1.png|300px|thumb|{{figure number|1}}Modified schematic diagram of Darcy's experimental apparatus. (Modified from Folk.<ref name=pt05r56>Folk, R. L., ...were then related to flow rates to obtain the following fundamental Darcy's law:
  19 KB (2,716 words) - 19:02, 20 January 2022
• Making regional tectonic maps
  ...surrounding areas, in combination with regional structure [[cross section]]s, give an overall impression of the geologic architecture of the basin and f * Known distribution of mid-Jurassic [[evaporite]]s (pre-marine evaporites)
  8 KB (1,069 words) - 20:03, 18 February 2022
• Structural fairway prospectivity
  | author = R.A. Nelson, T.L. Patton, S. Serra * Regional geologic data (tops, [[cross section]]s, maps)
  3 KB (340 words) - 18:50, 3 February 2022
• Tectonic modeling
  | author = R.A. Nelson, T.L. Patton, S. Serra ...of these models is usually a right circular cylinder composed of the rock(s) being studied.
  16 KB (2,083 words) - 21:28, 2 February 2022
• Hydroelectric power
  ...re number|1}}World hydroelectric power generation and percent of the world's total electricity generation.<ref name+Salvador_2005>Salvador, A., Energy-A ...f electricity that water started to make a major contribution to the world's supply of energy. Hydroelectric power is, as of 2005, the second largest so
  10 KB (1,466 words) - 16:06, 11 January 2016
• Oil and gas contracts
  ...han what costs would have been if 100% of risks associated with the farmor's eventual interest after farm-out had been paid for by the farmor. ...ed, determined, and accounted for. In addition, it provides for each party's rights to the production obtained and sets out how leases will be acquired,
  13 KB (1,979 words) - 19:26, 19 January 2022
• Pressure transient testing
  ...up and flow tests, see Matthews and Russell.<ref name=pt09r16>Matthews, C. S., and D. G. Russell, 1967, Pressure buildup and flow tests in wells: Dallas :<math>s = 1.151 \left[\frac{\Delta p_{1{\rm hr}}}{m} - \log \left(\frac{k}{\phi \mu
  15 KB (2,314 words) - 17:45, 21 January 2022
• Trap geometry: changes
  ...ting charge volume|charged]] during structural growth, and [[accumulation]]s can be partially or completely spilled by later structural [[deformation]]. ...d during the late Eocene<ref name=ch11r1>Atkinson, C., McGowen, J., Block, S., Lundell, L., Trumbly, P., 1990, Braidplain and deltaic reservoirs, Prudho
  6 KB (845 words) - 15:29, 1 February 2022
• Influence of depositional environment on sandstone diagenesis
  ...ndstone diagenesis. After Stonecipher et al.<ref name=ch09r60>Stonecipher, S. A., R. D. Winn, Jr., and M. G. Bishop, 1984, [http://archives.datapages.co ...fferent detrital mineral suites.<ref name=Stonecipher&May1990>Stonecipher, S. A., and J. A. May, 1990, [http://archives.datapages.com/data/specpubs/resm
  8 KB (1,129 words) - 14:11, 6 April 2022
• Production testing
  ...ning, Metallurgical and Petroleum Engineers, Society of Petroleum Engineer's Monograph 5, 264 p.</ref>]] ...to estimate formation permeability<ref name=pt09r15>Lee, W. J., T. B. Kuo, S. A. Holditch, and D. A. McVay, 1984, Estimating formation permeability from
  14 KB (2,165 words) - 18:42, 20 January 2022
• Magnetic field: local variations
  | author = Edward A. Beaumont, S. Parker Gay ...lithologies and magnetic susceptibilities. From Gay;<ref name=Gay1995>Gay, S. P., Jr., 1995, The basement fault block pattern: its importance in petrole
  6 KB (946 words) - 19:56, 27 January 2022
• Third-order sequences
  | author = John C. Dolson, Mike S. Bahorich, Rick C. Tobin, Edward A. Beaumont, Louis J. Terlikoski, Michael ...zoic chronostratigraphy and cycles of sea-level change in C. K. Wilgus, B. S. Hastings, H. W. Posamentier, J. Van Wagoner, C. A. Ross, and G. C. St. C.
  8 KB (1,084 words) - 22:25, 3 February 2022
• Scientific method
  ...n subjective measures. One helpful approach is to assess whether a company's technical efforts are truly part of a scientific approach to exploration. A
  3 KB (380 words) - 14:31, 18 February 2022
• Seismic scale importance
  | author = John C. Dolson, Mike S. Bahorich, Rick C. Tobin, Edward A. Beaumont, Louis J. Terlikoski, Michael ...l sequences from the [[Delaware basin|Delaware]] and [[Paradox basin]]s, U.S.A. Copyright: Sarg;<ref name=Sarg1988>Sarg, J. F., 1988, Carbonate sequence
  2 KB (346 words) - 21:06, 3 February 2022
• Monte Carlo and stochastic simulation methods
  For example, the input variables might be porosity (&phi;), oil saturation (S₀), and a binary indicator (I) set equal to 1 or 0 depending on w ...known. However, in practice, the previous three input quantities (&phi;, ''S''₀, I) are poorly sampled at best, and the unsampled values must
  11 KB (1,623 words) - 19:24, 19 January 2022
• Land rigs
  ...ed is dependent on the rock type and drilling conditions. Common [bit type]s include drag, tri-cone, insert, PDC, and diamond. ...ight|drill string]], [[slack-off weight|slack-off]], and [[pick-up weight]]s. This information helps determine the amount of [[hole friction]] and the c
  12 KB (2,020 words) - 16:19, 20 January 2022
• Vibro-sesismic to increasing the production rate of coal bed methane
  ...eservoir in general. The CBM gases are adsorbed in a layer within the coal’s matrix (seam) and contain water inside of the crack. So that, CBM well will ..., 3, A6, and I. The vibro seismic method is applied with various frequency’s value in each samples. And the value of permeability is measured using Hasl
  11 KB (1,551 words) - 16:49, 11 January 2016
• Oil correlation
  ...to source rock correlation. Concepts and case studies, in M. H. Engel, and S. A. Macko, eds., Organic Geochemistry: New York, Plenum Press, p. 473–490 ...ture extracts and oils.<ref name=ch08r26>Kohnen, M. E. L., S. Schouten, J. S. Sinninghe Damste, J. W. de Leeuw, D. Merrit, and J. M. Hayes, 1992, The co
  9 KB (1,313 words) - 22:06, 14 February 2022
• Mapping paleogeography
  | author = John C. Dolson, Mike S. Bahorich, Rick C. Tobin, Edward A. Beaumont, Louis J. Terlikoski, Michael ...eposition of [[Reservoir quality|reservoir]], [[seal]], and [[source rock]]s can be ascertained from paleogeographic maps.
  3 KB (346 words) - 20:13, 4 February 2022
• Yowlumne field
  | author = Michael S. Clark, Rick K. Prather, John D. Melvin ...leum system (Graham and Williams).<ref name=Grahamandwilliams_1985>Graham, S. A., and L. A. Williams, 1985, [http://archives.datapages.com/data/bulletns
  13 KB (1,896 words) - 19:02, 11 March 2019
• Pyrolysis gas chromatography
  ...epresents the relative abundance of the compound pyrolized from the sample's kerogen. Typical gas chromatogram examples for types I, II, and III kerogen ...T. Salvatori, A. Alajbeg, B. Gjukic, G. J. Demaison, N. E. Slougue, and D. S. Watt, 1992, Source correlation and maturity assessment of select oils and
  6 KB (817 words) - 18:19, 9 February 2022
• Reserves estimation
  * ''S''_w = connate water saturation (decimal) from log and/or core dat where RF = recovery factor, which equals RF_P + RF_S
  16 KB (2,550 words) - 17:47, 21 January 2022
• Paleoenvironmental analysis
  ...onment at the collection site at the time of deposition, based on the rock's paleontological record. Information can be reconstructed for depositional e ...r, North Sea, in Morton, A., C., Haszeldine, R., S., Giles, M., R., Brown, S., eds., Geology of the Brent Group: Geological Society Special Publication
  10 KB (1,252 words) - 19:55, 31 January 2022
• Buoyancy pressures and hydrocarbon presence
  [[Buoyancy pressure]]s caused by [[hydrocarbon column]]s can be recognized by comparing [[Normal hydrostatic pressure gradients|hydr # Plot the pressure(s) measured from the interval of interest.
  3 KB (387 words) - 18:56, 16 February 2022
• Owners of oil and gas interests
  ...iding royalty'' is generally a cost-free interest carved out of the lessee's leasehold estate. ...affidavits of death and heirship from people who knew the deceased person's family history.
  19 KB (2,972 words) - 19:25, 19 January 2022
• AAPG Wiki:Moderation
  ...person-hours at AAPG's disposal, especially from [[Subject Matter Expert]]s *[[Matt]]'s experience is that the moderators ''are'' the content creators—they are t
  9 KB (1,348 words) - 15:55, 6 August 2013
• Stratigraphically complex fields
  .... (From Galloway and Cheng.<ref name=pt06r35>Galloway, W. E., Cheng, E. S. S., 1985, Reservoir facies architecture in a microtidal barrier system—Frio * Describe lithofacies and interpreted depositional environment(s) (see [[Lithofacies and environmental analysis of clastic depositional syst
  8 KB (983 words) - 20:49, 19 January 2022
• Braided fluvial reservoirs
  ...bon reservoirs: The petroleum engineer's perspective, in J. L. Best and C. S. Bristow, eds., Braided rivers: Geological Society Special Publication 75, ...of the Budare field in Venezuela.<ref name=Hamiltonetal_2002>Hamilton, D. S., et al., 2002, [http://archives.datapages.com/data/bulletns/2002/07jul/123
  13 KB (1,859 words) - 21:29, 12 March 2019
• Seismic migration
  ...cture of subsurface structure from the seismic waves recorded at the earth's surface. Deconvolution, for example, aims to sharpen reflections, and commo While the earth's subsurface is more complicated than that shown in [[:file:seismic-migration
  14 KB (2,045 words) - 20:21, 21 January 2022
• The gravity method
  ....</ref> Field instuments are capable of detecting differences in the earth's field between 0.000001 and 0.0001 Gal (or between 1 μGal and 0.1 mGal), de
  6 KB (854 words) - 16:19, 20 January 2022
• Sequence stratigraphy: hierarchy of sequences
  | author = John C. Dolson, Mike S. Bahorich, Rick C. Tobin, Edward A. Beaumont, Louis J. Terlikoski, Michael ...e cyclic phenomena. Six orders of [[Sea level cycle phase|sea level cycle]]s are recognized from [[Stratigraphy|stratigraphic]] evidence.<ref name=ch21r
  3 KB (380 words) - 22:25, 3 February 2022
• Water resistivity determination
  Let's assume for ''a'', ''m'', and ''n'' the usual initial values of 1, 2, and 2, In a water zone, ''S''_w = 1, thus Equation 4 becomes
  13 KB (2,077 words) - 17:26, 18 January 2022
• Mancos Shale Play in New Mexico
  ...the Offshore Mancos Shale play. Modified from Hart<ref name=Hart>Hart, B. S., 2021, Stratigraphy and Hydrocarbon Resources of the San Juan Basin: Lesso ...ments/2018/11096broadhead/ndx_broadhead.pdf.html.</ref> the San Juan Basin’s “Mancos Play” really consists of three separate plays.
  6 KB (985 words) - 20:14, 2 June 2021
• Lithofacies maps
  ...tendency for shorelines to cut predominantly north–south across the world's climate zones. The Earth currently has ice caps but has lacked them for lar ...91Ch11FG69.JPG|thumb|300px|{{figure number|1}}An [[alluvial]] fan in China's Xinjuang Province. The diameter of the fan is about 170 km (106 mi). Courte
  21 KB (3,139 words) - 16:54, 6 April 2016
• Formation fluid pressure from drill stem tests
  * During '''shut-in periods''', the packer(s) is still inflated and the tester valve is closed. Ideally, pressure in the ...was performed. It should match the IHP within 5 psi as a check of the tool's accuracy (assuming the packers did not leak).
  6 KB (997 words) - 17:55, 17 February 2022
• Weyburn field location and trap problem
  ...}}Location of Weyburn field. Copyright: Coalson et al.<ref>Coalson, E. B., S. M. Goolsby, and M. H. Franklin, 1994, Subtle seals and fluid-flow barriers ...rn, 1988, Mississippian oil fields in the northern Williston Basin, ''in'' S. M. Goolsby, and M. W. Longman, eds., Occurrence and Petrophysical Properti
  6 KB (848 words) - 17:34, 3 January 2024
• Near-surface destruction
  Oil and gas in near-surface [[accumulation]]s and in seeps can be destroyed by three processes that may act concurrently: ...ther components of the oil can also be destroyed.<ref name=ch11r28>Palmer, S., 1991, [http://archives.datapages.com/data/specpubs/geochem1/data/a037/a03
  8 KB (1,193 words) - 18:51, 1 February 2022
• Biodegradation of crude oil in reservoirs
  ...methodo2/data/a081/a081/0001/0000/0003.htm Size distributions of the world’s largest known oil and tar accumulations], ''in'' R. F. Meyer, ed., [https:/ ...alled alkanes). (e.g. Propane and Iso-butane).<ref name="3Paraffins">Eser, S., [https://www.e-education.psu.edu/fsc432/content/paraffins Paraffins]: Pen
  16 KB (2,354 words) - 18:16, 25 April 2022
• Risk: dealing with risk aversion
  ...ned to take a risk at the beginning of a project than later in the project's life ...k-adjusted value'' (RAV) of any given venture to a given firm, if the firm's risk aversion (or preference function) is known. Cozzolino,<ref name=pt02r6
  10 KB (1,487 words) - 18:22, 21 January 2022
• Lwandle plate
  ...2, issue B5. DOI:10.1029/2006JB004519</ref><ref name=Stampsetal>Stamps, D. S., E. Calais, E. Saria, C. Hartnady, J.-M. Nocquet, C. J. Ebinger, and R. M. ...is a [[triple junction]] that separates the three plates. From USGS<ref>U.S. Geological Survey, retrieved 25 October 2014.</ref>]]
  10 KB (1,574 words) - 16:51, 6 April 2016
• Multivariate data analysis
  ...act of pattern cognition.<ref name=Miller_etal_1962>Miller, R. L., and J. S. Kahn, 1962, Statistical analysis in the geological sciences: New York, Joh ...ted linearly to the second set, denoted x, called the independent variable(s). (For details of multiple and multivariate regression analysis, see [[Corr
  16 KB (2,349 words) - 15:46, 19 January 2022
• Reservoir simulation study
  ...tion purposes]]). A simulation study requires description of the reservoir's rock and fluid properties, validation of completion and production history, ...sed to develop this description, the ultimate test of the simulation model's validity is its reproduction of production data. The smaller relative uncer
  19 KB (2,711 words) - 17:48, 21 January 2022
• Pinedale field
  ...tcf) of methane-rich natural gas. Despite the huge gas reserves, the field's productive areal extent is relatively small as it is only about 30 mi (48 k ...s necessary to conduct multistage hydraulic fracturing in all of the field's wells to create pathways for the gas to enter the wellbores at commercial r
  16 KB (2,521 words) - 17:13, 29 January 2016
• Silurian Qusaiba shales
  ...ntrell, D. L., P. G. Nicholson, G. W. Hughes, M. A. Miller, A. G. Bhullar, S. T. Abdelbagi et al., 2014, [http://http://archives.datapages.com/data/spec ...in the [[Arabian Plate]] and distribution of [[Silurian]] Qusaiba [[shale]]s beneath [[Hercynian]] unconformity (after Faqira et al., 2009<ref name=Faqi
  18 KB (2,569 words) - 22:50, 8 January 2019
• How different structural philosophies govern techniques
  | author = R.A. Nelson, T.L. Patton, S. Serra
  3 KB (422 words) - 20:17, 3 February 2022
• Land description and maps
  ...tied to base points that are defined, identified, and delineated by the U.S. Coast and Geodetic Survey. ...data (i.e., producing wells, [[dry hole]]s, total depths drilled, operator's name, and occasionally, unit outlines and topographic information)
  15 KB (2,269 words) - 19:25, 19 January 2022
• East Breaks overburden rock
  ...le source rock, although Taylor and Armentrout<ref name=ch04r93>Taylor, G. S., and J. M. Armentrout, 1990, Rock geochemistry and relationships to produc
  6 KB (929 words) - 19:41, 22 March 2022
• Remote sensing
  | author = R.A. Nelson, T.L. Patton, S. Serra * Directly contracting low-altitude aerial photography or, in the U.S., obtaining existing surveys from the Department of Interior or Department
  6 KB (794 words) - 20:06, 2 February 2022
• Porosity
  ...pore types can be identified by integrating data from [[core description]]s, thin section petrography, scanning electron microscopy, and [[capillary pr | rowspan = 6 | Boyle's law porosity: grain volume determination || Very accurate
  24 KB (3,450 words) - 19:09, 20 January 2022
• Statistics overview
  :<math>s^{2} = \frac{\displaystyle\sum (X - \bar{x})^{2}}{n}</math> ...ion being tested is the same as the test statistic—in this case, a Student's ''t'' distribution—which is normally distributed and has a mean of 0 and
  16 KB (2,483 words) - 19:28, 19 January 2022
• Apatite fission track analysis
  ...of an area (and its expected thermal history) to verify or refine a vendor's interpretation.
  7 KB (994 words) - 21:38, 4 February 2022
• Utilization of the industrial revolution 4.0 in oil and gas exploration
  .../doi.org/10.1016/j.petrol.2005.09.001</ref> <ref name=Islam_2020>Islam, M. S. ul. (2020). Using deep learning based methods to classify salt bodies in s ...n engineers.<ref name=Miahetal_2020>Miah, M. I., Zendehboudi, S., & Ahmed, S. (2020). Log data-driven model and feature ranking for water saturation pre
  21 KB (3,096 words) - 20:59, 21 April 2022
• Stratigraphic predictions from computer simulation
  ...figure number|3}}Sepositional [[facies map]] for the ''Glob alt'' interval’s basal sequence boundary, constructed by integrating the biofacies map, the ...y Rouch et al.<ref name=ch04r83>Rouch, L., S., Armentrout, J., M., Bowman, S., A., 1993, Iterative analysis of depositional sequences: computer simulati
  7 KB (895 words) - 16:18, 24 March 2022
• Top seal ductility estimation
  ....<ref name=ch10r37>Hoshino, K., Koide, H., Inami, K., Iwamura, S., Mitsui, S., 1972, Mechanical properties of Japanese Tertiary sedimentary rocks under
  7 KB (1,000 words) - 15:22, 30 March 2022
• Log analysis applications
  ...mmon sampling increment) or (2) by varying increments (based on each trace's unique sampling nature). ...read into a computer by a LAP, they are automatically converted to the LAP's internal data format for storage and use.
  21 KB (3,142 words) - 16:20, 20 January 2022
• Petroleum exploration
  ...salt water to migrate downward below. This migration is controlled by rock’s permeability and porosity. ...ed to get expected result. Once the layout is assigned, the rest of survey’s procedure must follow the layout plan. The layouts that must be planned inc
  15 KB (2,331 words) - 19:12, 17 April 2019
• Fault seal analysis for reservoir development
  ...ew, ''in'' S. J. Jolley, Q. J. Fisher, R. B. Ainsworth, P. J. Vrolijk, and S. Delisle, eds., Reservoir compartmentalization: Geological Society (London) ...have sealing properties and that it is not an open channel for flow. Allan's mapping relies on the construction of the fault surface section ([[:file:Gu
  14 KB (2,146 words) - 19:35, 13 September 2022
• Covenant field
  ...Utah thrust belt. Chidsey, et al.<ref name=Chidsey>Chidsey, T. C., Jr., J. S. DeHamer, E. E. Hartwick, K. R. Johnson, D. D. Schelling, D. A. Sprinkel, D | colspan = 4 | 0.48% S, d13C = −29.4 to −29.0‰
  6 KB (897 words) - 19:39, 14 February 2017
• Superimposed sea level cycles
  ...lify or dampen the transgressions and regressions of the next higher order(s) of cyclicity. The right side of the following schematic illustrates cycle ...forming potential hydrocarbon [[source rock]]s.<ref name=ch04r27>Creaney, S., Passey, Q., R., 1993, [http://archives.datapages.com/data/bulletns/1992-9
  11 KB (1,469 words) - 15:06, 5 January 2024
• Seismic data - creating an integrated structure map
  ...the velocity changes from about 11,400 ft/s for velocity (NE) to 10,200 ft/s (SW) in the space of just over a mile. When this occurs, time structure and
  7 KB (1,117 words) - 17:51, 25 January 2022
• Cross-borehole tomography
  ...http://en.wikipedia.org/wiki/Poisson%27s_ratio%20Poisson's%20ratio Poisson's ratio] can be computed in the interwell volume. ...name=pt07r26>Justice, J. H., A. A. Vassiliou, M. E. Mathisen, S. Singh, P. S. Cunningham, and P. R. Hutt, 1992, Acoustic tomography in reservoir surveil
  14 KB (2,060 words) - 20:51, 19 January 2022
• Structural domains
  | author = R.A. Nelson, T.L. Patton, S. Serra * [[Fold style]]s
  3 KB (422 words) - 18:50, 3 February 2022
• Sandstone diagenetic processes
  ...rontier Sandstone, Bighorn basin, Wyoming, in Coalson, E., B., Kaplan, S., S., Keighin, C., W., Oglesby, L., A., Robinson, J., W., eds., Sandstone Reser
  7 KB (870 words) - 20:30, 5 April 2022
• Mudstones
  ...ocks in the stratigraphic column. They preserve the best archives of Earth’s history for interpreting paleoclimate and paleo-oceanography; influence the ...r2015a /><ref name=Lzr2015b>Lazar, O. R., K. M. Bohacs, J. Schieber, J. H. S. Macquaker, and T. M. Demko, 2015b, Mudstone primer: Lithofacies variations
  16 KB (2,352 words) - 18:46, 4 December 2023
• Normal hydrostatic pressure gradients
  ...y Mountains, a formation water gradient of 0.45 psi/ft is common. In the U.S. Gulf Coast, a gradient of 0.465 psi/ft is common. ...er. However, because exceptions occur, have some idea of the type of fluid(s) expected in the area being studied and use appropriate values.
  3 KB (428 words) - 10:24, 17 March 2022
• Nature of the oil and gas lease
  ...ls and to perpetuate the lease by allowing off-the-lease-premise unit well(s) to maintain the lease in force. Royalty is paid pro rata on an acreage bas ...ssee, if production is established, may recover such costs from the lessor's share); and (3) that in the event the lessor owns less than a full interest
  15 KB (2,397 words) - 19:26, 19 January 2022
• Predicting sandstone reservoir porosity
  ...ents different methods of predicting sandstone porosity. Choose the method(s) most appropriate to your situation. ...le of regression porosity–depth plots for different formations along the U.S. Gulf Coast. From Loucks et al.;<ref name=Loucks>Loucks, R. G., M. M. Dodge
  10 KB (1,384 words) - 15:00, 6 April 2022
• Cross-well electromagnetic tomography monitoring of fluid distribution
  ...ion between the wells and to the targeted zone.<ref name=Schlumberger_2021>S. O. Glossary, 2021, [https://glossary.oilfield.slb.com/en/Terms/c/crosswell ...condary magnetic field that is measured by the coils. The induction device's advantage over the electrode devices is that it is used in an oil-based mud
  18 KB (2,715 words) - 18:29, 8 February 2024
• Seismic facies mapping
  | author = John C. Dolson, Mike S. Bahorich, Rick C. Tobin, Edward A. Beaumont, Louis J. Terlikoski, Michael ...[[Seismic sequence analysis|seismic reflection patterns]] and [[isochron]]s (thickness measured in seconds of two-way time).
  3 KB (414 words) - 17:47, 4 February 2022
• Ti in zircon geothermometer
  ...stal lattice. Zircon is a useful mineral due to its abundance in the Earth's [[crust]], its ability to incorporate various [[radioactive]] and nonradioa ...]] mineral that is commonly found as an accessory mineral throughout Earth's crust.<ref name="Finch and Hanchar, structure of zircon" />
  16 KB (2,328 words) - 22:11, 3 December 2015
• Organic facies
  | author = S. R. Jacobson ...ect the hydrocarbon generative potential of the maceral type. Van Krevelen's work was extended to potential petroleum source rocks by Tissot and his co-
  17 KB (2,472 words) - 17:39, 13 April 2022
• Tethys region
  ...occurred across North Africa and Arabia, to intracontinental sub-[[basin]]s and rift-basins (Arabian plate and North Africa, respectively) in the Permi ...wn in Table 1, these Tethyan countries account for 239 and 49 of the world’s giant and supergiant fields, respectively. There is a predominance of prove
  23 KB (3,325 words) - 14:52, 1 August 2016
• Phases of a seismic project
  ...ic processing|processing]] problems, then the data may contain [[artifact]]s. These are most commonly seen as map-view [[amplitude]] patterns and are ca
  3 KB (455 words) - 22:00, 25 January 2022
• Maturation
  ...ties|pore fluid chemistry]] can affect the thermal history and thus a rock's rate of maturation. ...vitrinite]], [[kerogen]], [[spore]]s, [[apatite]] grains, and [[biomarker]]s; each has its own relationship to the kerogen transformation rate.
  3 KB (421 words) - 18:26, 9 February 2022
• Structural styles: data and techniques for evaluation
  | author = R.A. Nelson, T.L. Patton, S. Serra ...large asymmetric [[hanging wall]] folds, and late listric [[normal fault]]s. These features are arranged to form an overall arcuate deformed belt. Ther
  3 KB (420 words) - 20:13, 3 February 2022

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