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• AAPG Wiki:Copyrights
  Unless otherwise indicated, text and images contributed by AAPG is copyright of AAPG and is formally licensed to the public under the [http://creativeco ...e that freedom. This principle is known as copyleft in contrast to typical copyright licenses.
  5 KB (737 words) - 17:01, 9 October 2013
• AAPG Wiki:Governance documents
  | [[Wikipedia:Copyright|Copyright]]
  3 KB (373 words) - 16:41, 31 July 2013
• AAPG Wiki:Terms of use
  ...''AAPG Methods in Exploration 10 Development Geology Reference Manual'' is copyright of AAPG and is formally licensed to the public under the [http://creativeco
  848 bytes (125 words) - 16:58, 9 October 2013
• 3-D seismic data: time and horizon slices
  interpreting-3-d-seismic-data_fig13-9.png|{{figure number|1}}. Copyright: Dorn;<ref name=Dorn1998>Dorn, G. A., 1998 Modern 3-D seismic interpretatio interpreting-3-d-seismic-data_fig13-10.png|{{figure number|2}}. Copyright: Dorn;<ref name=Dorn1998 /> courtesy SEG.
  4 KB (617 words) - 19:30, 27 January 2022
• Spontaneous potential logs in water resistivity calculation
  ...ty-and-performance_fig9-32.png|thumb|450px|{{figure number|1}}SP log data. Copyright: Schlumberger.]] ...ty-and-performance_fig9-33.png|300px|thumb|{{figure number|2}}SP log data. Copyright: Schlumberger.]]
  6 KB (1,027 words) - 16:40, 5 April 2022
• Overpressure and hydrocarbon distribution, Gulf Coast
  ...of oil and gas production from more than 20,000 wells.<ref name=ch10r47 /> Copyright: Oil & Gas Journal.]] ...op of overpressure changes as reservoir depth changes.<ref name=ch10r47 /> Copyright: Oil & Gas Journal.]]
  4 KB (605 words) - 20:30, 30 March 2022
• Mudlogging: equipment, services, and personnel
  ...tograph. (D) Depth and time monitoring equipment. (E) Power panel. (Photo. Copyright: Long Co. Technical Service, Casper, WY. ...{{figure number|2}}Flame ionization detection (FID) chromatograph. (Photo. Copyright: Long Co. Technical Service, Casper, WY.]]
  8 KB (1,031 words) - 15:27, 24 January 2022
• Midale water saturation and pore geometry
  ...kett plot for the Midale vuggy beds from an example well in Weyburn field. Copyright: Coalson et al.;<ref name=Coalson1994>Coalson, E. B., S. M. Goolsby, and M. ...ormance_fig9-104.png|{{figure number|3}}Buckles plot for the Weyburn well. Copyright: Coalson et al.;<ref name=Coalson1994 /> courtesy RMAG.
  4 KB (588 words) - 17:01, 12 April 2022
• Pressure compartments
  ...re number|1}}Porosity-depth plot for chalks worldwide.<ref name=ch05r12 /> Copyright: The Geological Society.]] ...thumb|{{figure number|2}}Temperature gradient increase below the top seal. Copyright: Leonard;<ref name=ch05r12 /> courtesy The Geological Society.]]
  6 KB (828 words) - 17:57, 17 February 2022
• Magnetics: total intensity and residual magnetic maps
  ...sts: Society of Exploration Geophysicists Monograph Series 1, 121 p.</ref> Copyright: Society of Exploration Geophysicists.]] ...ual map (A) that was calculated from the total intensity magnetic map (B). Copyright: Gay;<ref name=Gay1995>Gay, S. P., Jr., 1995, The basement fault block patt
  4 KB (618 words) - 19:55, 27 January 2022
• Basement fault blocks and fault block patterns
  ...umber|1}}Landsat and SLAR images of exposed Precambrian crystalline crust. Copyright: Gay;<ref name=Gay1995>Gay, S.P., Jr., 1995, The basement fault block patte ...basement in central Wisconsin on the southern edge of the Canadian Shield. Copyright: LaBerge;<ref name=LaBerge1976>LaBerge, G.L., 1976, Major structural lineam
  5 KB (617 words) - 19:55, 27 January 2022
• East Breaks geochemistry
  ...rvoir temperature is about 130&deg;F. After Dow et al.<ref name=ch04r29 /> Copyright: Gulf Coast SEPM. ...ograms of crude oils from two reservoirs in the East Breaks 160-161 field. Copyright: Dow et al.<ref name=ch04r29 /> Courtesy Gulf Coast SEPM.
  5 KB (648 words) - 15:33, 23 March 2022
• Borehole gravity applications: examples
  ...s measured by the BHGM (left line) and the gamma-gamma tools (right line). Copyright: Rasmussen;<ref name=Rasmussen>Rasmussen, N. F., 1975, The successful use o ...co. (B) Model of the salt body. (C) Seismic section through the salt body. Copyright: ARCO Exploration and Production Technology.]]
  11 KB (1,596 words) - 18:08, 24 January 2022
• Formation water density
  ..._fig5-5.png|300px|thumb|{{figure number|1}}Determining NaCl concentration. Copyright: Schlumberger.]] ...|2}}Use to estimate formation water density from ppm NaCl and temperature. Copyright: Gearhart-Owens.<ref name=G-O1972>Gearhart-Owens Industries, 1972, GO Log I
  5 KB (714 words) - 15:19, 13 September 2022
• How faults control trap fill and migration pathways
  ...of an obvious structural high. After Hardman & Booth.<ref name=ch10r36 /> Copyright: Geological Society of London.]] ...number|2}}Don Field, North Sea. After Hardman & Booth.<ref name=ch10r36 /> Copyright: Geological Society of London.]]
  5 KB (785 words) - 17:04, 29 March 2022
• Seismic inversion
  ...n_fig4.png|{{figure number|4}}A schematic diagram of a river channel zone. Copyright: the Taber area of southern Alberta. The 3-D survey was done in the area ou ...-based inversion of the line through the river channel system of Figure 4. Copyright: Western Geophysical.
  8 KB (1,196 words) - 18:48, 21 January 2022
• Sidewall coring
  ...png|thumb|left|300px|{{figure number|1}}Percussion sidewall coring system. Copyright: Halliburton Logging Services, Inc.]] ...oring_fig2.png|thumb|300px|{{figure number|2}}Rotary sidewall coring tool. Copyright: Halliburton Logging Services, Inc.]]
  7 KB (1,100 words) - 21:16, 19 January 2022
• Seismic data interpretation - recurring themes
  ...|{{figure number|1}}Seismic data is built of several layers like an onion. Copyright: Liner;<ref name=Liner>Liner, C., 1999, Elements of 3-D Seismology: Tulsa, [[file:interpreting-seismic-data_fig12-2.png|300px|thumb|{{figure number|2}}. Copyright: Liner;<ref name=Liner /> courtesy PennWell.]]
  5 KB (739 words) - 18:51, 27 January 2022
• Seismic data preparation for mapping
  ...essing report and well spots to confirm correct orientation of the survey. Copyright: Liner;<ref name=Liner>Liner, Chris, Elements of 3-D Seismology: Tulsa, Pen interpreting-seismic-data_fig12-10.png|{{figure number|2}}Jump correlation. Copyright: Liner;<ref name=Liner /> courtesy PennWell.
  7 KB (1,064 words) - 19:11, 27 January 2022
• Example: mapping depocenters through time
  ...y 6 Ma to 4 Ma (interval A). After Piggott and Pulham.<ref name=ch04r75 /> Copyright: Gulf Coast Section SEPM. ...y 4 Ma to 3 Ma (interval B). After Piggott and Pulham.<ref name=ch04r75 /> Copyright: Gulf Coast Section SEPM.
  11 KB (1,496 words) - 18:17, 22 February 2022
• Pressure compartment seals
  ...gs of the Geological Society's 4th conference, London, p. 1305–1313.</ref> Copyright: The Geological Society.]] ...gs of the Geological Society's 4th conference, London, p. 1305–1313.</ref> Copyright: The Geological Society.]]
  5 KB (763 words) - 17:58, 17 February 2022
• Predicting sandstone reservoir porosity
  ...dict the effect of original sediment composition on subsequent diagenesis. Copyright: Surdam et al.;<ref name=Surdam>Surdam, R. C., T. L. Dunn, D. B. MacGowan, ...nesis (depth to point where temperature reaches [[temperature::80&deg;C]]. Copyright: Surdam et al.;<ref name=Surdam /> courtesy RMAG.
  10 KB (1,384 words) - 15:00, 6 April 2022
• Sandstone permeability prediction from texture
  ...y relationships for kaolinite-, chlorite-, and illite-cemented sandstones. Copyright: F. K. North;<ref name=North_1985>North, F. K., 1985, Petroleum Geology: Lo ...Proceedings of the SPE Annual Meeting, October 9–12, paper SPE-6858.</ref> Copyright: SPE.]]
  9 KB (1,118 words) - 17:03, 6 April 2022
• Third-order sequences
  ...ic cross section of a third-order sequence and its various systems tracts. Copyright: Hyne;<ref>Hyne, N. J., 1995, Sequence stratigraphy: a new look at old rock ...n observations of the Tertiary of the Gulf of Mexico passive margin basin. Copyright: Haq;<ref>Haq, B. U., J. Hardenbol, and P. R. Vail, 1988, Mesozoic and Ceno
  8 KB (1,084 words) - 22:25, 3 February 2022
• Seismic scale importance
  ...uences from the [[Delaware basin|Delaware]] and [[Paradox basin]]s, U.S.A. Copyright: Sarg;<ref name=Sarg1988>Sarg, J. F., 1988, Carbonate sequence stratigraphy
  2 KB (346 words) - 21:06, 3 February 2022
• Paleoenvironmental analysis
  ...erent and distinctive populations liv- ing in different paleoenvironments. Copyright: Lagoe;<ref name=ch17r54 /> courtesy Palaios.]] ...low-oxygen environments (e.g., basin depths) are large, lanceolate forms. Copyright: Douglas;<ref name=ch17r33 /> courtesy SEPM.]]
  10 KB (1,252 words) - 19:55, 31 January 2022
• Hydrology and sandstone diagenesis
  ...howing the approximate distribution of various types of subsurface fluids. Copyright: Shelley;<ref name=Shelley1985>Shelley, R. C., 1985, Elements of Petroleum ...of increasing dissolved solids in subsurface fluids with increasing depth. Copyright: Shelley;<ref name=Shelley1985 /> courtesy W.H. Freeman and Co.]]
  6 KB (787 words) - 13:43, 6 April 2022
• Formation fluid pressure from drill stem tests
  ...nfigurations of the tool during a DST, and the periods of a DST. Modified. Copyright: Dalhberg;<ref name=ch05r5 /> courtesy Springer-Verlag.]] ...FSIP on a Horner plot (pressure vs. psuedo or Horner time, or (T + ΔT)/ΔT. Copyright: Dahlberg;<ref name=ch05r5 /> courtesy Springer-Verlag.]]
  6 KB (997 words) - 17:55, 17 February 2022
• Weyburn field location and trap problem
  ...ance_fig9-96.png|thumb|300px|{{figure number|1}}Location of Weyburn field. Copyright: Coalson et al.<ref>Coalson, E. B., S. M. Goolsby, and M. H. Franklin, 1994 ...e Weyburn field area, contoured on top of the Mississippian Midale Member. Copyright: Winland;<ref name=ch09r70 /> courtesy Amoco Production Co.]]
  6 KB (848 words) - 17:34, 3 January 2024
• Seismic data acquisition on land
  ...ure number|1}}Dynamite shot pattern being detonated in the desert. (Photo. Copyright: Western Atlas International.) ...ta-acquisition-on-land_fig2.png|{{figure number|2}}Vibrator truck. (Photo. Copyright: Western Atlas International.)
  10 KB (1,389 words) - 16:20, 20 January 2022
• Gas chromatography/mass spectrometry (GC/MS): procedures
  ...) m/z 217 fragment in the mass spectrometer; (top right) m/z 218 fragment. Copyright: Unocal.]] ...ber|2}}MRM output for steranes from the Lufa oil seep in Papua New Guinea. Copyright: Murray et al.;<ref name=Maurray1993>Murray, A. P., R. E. Summons, J. Brads
  6 KB (894 words) - 21:38, 15 February 2022
• Factors that cause migration
  ...0, The Properties of Petroleum Fluids: Tulsa, PennWell Books, 548 p.</ref> Copyright: PennWell Publishing Co.]] ...try, Genesis, and Migration: AGI Reprint Series, vol. 1, p. 117–122.</ref> Copyright: AGI.]]
  6 KB (918 words) - 15:16, 14 February 2022
• Seal capacity and two-phase hydrocarbon columns
  ...ation with both an oil leg and a gas cap. After Watts.<ref name=ch10r92 /> Copyright: Marine and Petroleum Geology.]]
  3 KB (445 words) - 20:56, 31 March 2022
• Wireline formation testers
  ...retest formation tester showing both analog and digital log presentations. Copyright: Western Atlas International, 1987; courtesy of Atlas Wireline Services Div ...igure number|6}}Pretest pressure response measurements across a reservoir. Copyright: Schlumberger Well Services, 1981.
  10 KB (1,446 words) - 17:42, 18 January 2022
• Stratigraphic predictions from computer simulation
  ...e Fans and Turbidite Systems: New York, Springer-Verlag, p. 137–170.</ref> Copyright: Springer-Verlag. ...|thumb|{{figure number|4}}Simulation. After Armentrout;<ref name=ch04r7 /> Copyright: Springer-Verlag.]]
  7 KB (895 words) - 16:18, 24 March 2022
• Natural hydraulic fracturing example, North Sea
  ...re pressure is close to the fracture pressure at the base of the top seal. Copyright: Esso Exploration and Production, U.K.]]
  3 KB (430 words) - 19:46, 30 March 2022
• Surficial geochemical case history 2: stratigraphic trap
  ...he [[Cretaceous]] Escondido Sandstone in La Salle County, Texas. Modified. Copyright: Rice<ref name=Rice_1989>Rice, G., 1989, Exploration Enhancement by integra
  3 KB (361 words) - 17:45, 12 April 2022
• Open- vs closed-system generation modeling
  ...the same well, based on both open- and closed-system modeling conditions. Copyright: results of Genex 1-D basin modeling software, courtesy Institute Français
  3 KB (398 words) - 15:15, 14 February 2022
• Pore system fundamentals
  ...tries found in intergranular, intercrystalline, vuggy, or fractured rocks. Copyright: Coalson et al.;<ref>Coalson, E. B., S. M. Goolsby, and M. H. Franklin, 199
  3 KB (388 words) - 13:52, 4 April 2022
• Hydrogen Index (HI)
  ...ock beginning to generate hydrocarbons at a depth of approximately 2200 m. Copyright: Ungerer et al.;<ref name=Ungerer1991>Ungerer, P., P. Forbes, and J. L. Rud
  3 KB (409 words) - 15:33, 10 February 2022
• Seismic survey components
  ...ig12-4.png|300px|thumb|{{figure number|1}}Illustration of the bin concept. Copyright: Liner,<ref name=Liner>Liner, C., 1999, Elements of 3-D Seimology: Tulsa, P
  3 KB (426 words) - 19:05, 27 January 2022
• Facies map
  ...gs, Gulf Coast Section SEPM 8th Annual Research Conference, p. 6–14.</ref> Copyright: Gulf Coast SEPM. ...he Gulf of Mexico. After Armentrout.<ref name=ch04r7 /><ref name=ch04r9 /> Copyright: Springer-Verlag, Geological Society of London.
  15 KB (2,070 words) - 20:34, 7 July 2016
• Sea level cycle order
  ...clinoform intervals from the High Island South Addition in the GOM basin. Copyright: Armentrout;<ref name=ch04r9 /> courtesy Gulf Coast SEPM and Geological Soc ...-basin-analysis_fig4-21.png|{{figure number|2}}Seismic reflection profile. Copyright: Armentrout;<ref name=ch04r9 /> courtesy Gulf Coast SEPM and Geological Soc
  7 KB (982 words) - 21:20, 23 February 2022
• Formation-scale migration pathways
  ...y Basins: Geological Society Special Publication no. 78, p. 141–150.</ref> Copyright: Geological Society.]]
  3 KB (478 words) - 15:19, 14 February 2022
• Three-dimensional seismic method
  ...-method_fig1.png|300px|thumb|{{figure number|1}}(a) A CMP-stacked section. Copyright: a marine 3-D survey. (b) The corresponding 2-D migrated section. (c) The 3 ...c-method_fig2.png|300px|thumb|{{figure number|2}}(a) Selected time slices. Copyright: a marine 3-D survey and (b) a time-structure map of a marker horizon deriv
  8 KB (1,201 words) - 20:24, 21 January 2022
• Surficial geochemical case history 1: structural traps
  ...ects surveyed and later drilled. Based on Meyer et al.<ref name=ch18r27 /> Copyright: Barringer Technologies Inc.]]
  3 KB (445 words) - 22:29, 31 January 2022
• Carbonate facies
  ...es: An Integrated Approach: SEPM Special Publication 42, p. 155–182.</ref> Copyright: SEPM.]]
  3 KB (433 words) - 18:32, 6 April 2022
• Rock Eval analysis using hydrogen index (HI) and oxygen index (OI)
  ...ks_fig6-4.png|thumb|300px|{{figure number|1}}Modified Van Krevlen diagram. Copyright: Tissot and Welte;<ref>Tissot, B. P., and D. H. Welte, 1984, Petroleum Form
  3 KB (525 words) - 18:09, 9 February 2022
• Kerogen type and maturity
  ...-17.png|300px|thumb|{{figure number|1}}Hydrocarbon generation-depth curve. Copyright: results of Genex 1-D basin modeling software, courtesy Institute Français
  4 KB (503 words) - 14:18, 14 February 2022
• Influence of depositional environment on sandstone diagenesis
  ...humb|{{figure number|2}} Typical diagenetic pathways for marine sediments. Copyright: Burley et al.;<ref name=ch09r7 /> courtesy Blackwell Scientific.]] ...umber|3}}Typical diagenetic pathways for warm and wet nonmarine sediments. Copyright: Burley et al.;<ref name=ch09r7 /> courtesy Blackwell Scientific.]]
  8 KB (1,129 words) - 14:11, 6 April 2022

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