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  • Depth and thickness conversion
    ...ation: Petroleum Engineer, March, p. 38–54.</ref><ref name=pt06r57>Inglis, T. A., 1987, Directional Drilling, Petroleum Engineering and Development Stud ...D} = (\mbox{NSD}_{b} - \mbox{NSD}_{t})^{2} + (\mbox{EWD}_{b} - \mbox{EWD}_{t})^{2})^{1/2}</math>
    17 KB (2,363 words) - 16:49, 20 January 2022
  • Pore system shapes
    ...\left(\frac{1}{\Phi^{\rm m}} \times \frac{\mbox{R}_{\rm w}}{\mbox{R}_{\rm t}}\right)^{\rm 1/n}</math> * R<sub>t</sub> = true resistivity of the formation, corrected for invasion, borehole
    4 KB (528 words) - 13:53, 4 April 2022
  • Seal capacity of different rock types
    ...90095-A</ref> Khrushin (1993), and Shea et al..<ref name=ch10r68>Shea, W., T., Schwalbach, J., R., Allard, D., M., 1993, Integrated rock-log evaluation
    5 KB (760 words) - 20:55, 31 March 2022
  • Trap geometry: changes
    ...ge. If further fault movement restores favorable seal juxtaposition (C, at t = 3), additional petroleum charge will be needed to fill the new trap.
    6 KB (845 words) - 15:29, 1 February 2022
  • Interpreting hydrocarbon shows
    ...r formation tests—may be of several types:<ref name=ch09r55>Schowalter, T. T. and P. D. Hess, 1982, [http://archives.datapages.com/data/bulletns/1982-83 ...uantities range up to 14 scf/bbl of water.<ref name=ch09r54>Schowalter, T. T., 1979, [http://archives.datapages.com/data/bulletns/1977-79/data/pg/0063/0
    8 KB (1,130 words) - 17:09, 5 April 2022
  • Postprimary migration and compositional changes
    ...rom traps with gas caps. After Schowalter.<ref name=ch07r12>Schowalter, T. T., 1979, [http://archives.datapages.com/data/bulletns/1977-79/data/pg/0063/0
    5 KB (694 words) - 15:17, 14 February 2022
  • Plate tectonic studies
    | author = R.A. Nelson, T.L. Patton, S. Serra * Harding, T. P., and J. D. Lowell, 1979, [http://archives.datapages.com/data/bulletns/1
    4 KB (601 words) - 18:22, 2 February 2022
  • Sorrento field: water saturation
    ...in Sorrento field, Cheyenne County, Colorado, ''in'' S. A. Sonnenberg, L. T. Shannon, K. Rader, W. F. von Drehle, and G. W. Martin, eds., Morrow sandst ...in Sorrento field, Cheyenne County, Colorado, ''in'' S. A. Sonnenberg, L. T. Shannon, K. Rader, W. F. von Drehle, and G.W. Martin, eds., Morrow Sandsto
    7 KB (1,044 words) - 16:57, 13 April 2022
  • Seal capacity variation with depth and hydrocarbon phase
    ...07., 10., 1016/0264-8172(87)90008-0</ref><ref name=ch10r67>Schowalter, T., T., 1979, [http://archives.datapages.com/data/bulletns/1977-79/data/pg/0063/0
    5 KB (765 words) - 20:55, 31 March 2022
  • Hydrodynamics
    ...drostatic no flow. From Schowalter;<ref name=Schowalter1979>Schowalter, T. T., 1979, [http://archives.datapages.com/data/bulletns/1977-79/data/pg/0063/0
    5 KB (658 words) - 22:04, 17 February 2022
  • Barnett shale play
    ...burger, Strawn, and others. Jarvie et. al,<ref>Jarvie, D. M., R. J. Hill, T. E. Ruble, & R. M. Pollastro, 2007, [http://archives.datapages.com/data/bul ..., J., S. W. Tinker, S. Ikonnikova, G. Gülen, E. Potter, Q. Fu, S. Horvath, T. Patzek, F. Male, W. Fisher, & F. Roberts, 2013, Barnett shale model-2 (Con
    6 KB (909 words) - 19:24, 14 March 2019
  • Gas chromatography/mass spectrometry (GC/MS): limitations
    ...they passed (see Waples and Machihara<ref name=ch08r59>Waples, D. W., and T. Machihara, 1991, Biomarkers for geologists: Tulsa, AAPG, 91 p.</ref> for e ...ither unaffected or only slightly reduced in concentration. T<sub>m</sub>, T<sub>s</sub>, moretanes, and C<sub>z</sub> (indicated with *) also appear un
    8 KB (1,111 words) - 22:05, 15 February 2022
  • Reserves estimation
    ...\rm p} - R_{\rm si})B_{\rm g}] - (w_{\rm e} - W_{\rm p}B_{\rm w})}{(B_{\rm t} - B_{\rm ti}) + \frac{MB_{\rm ti}}{B_{\rm gi}} (B_{\rm g} - B_{\rm gi}) + * ''B''<sub>t</sub> = total (two-phase) formation volume factor
    16 KB (2,550 words) - 17:47, 21 January 2022
  • AAPG Wiki:Converting content
    ...ling server errors, honest user agents, polite wait times, etc., so we won't take Datapages down while it crawls (something it does very quickly — sc Almost makes references key in list of refs (doesn't handle accented characters)
    6 KB (826 words) - 18:27, 1 July 2013
  • AAPG Wiki:Wiki manager
    ...e of skills: community-oriented, content-oriented, and technical. They don't have to be a geoscientist or even a petroleum professional, but it would he
    2 KB (294 words) - 16:44, 22 July 2013
  • Fault seal-conduit studies
    | author = R.A. Nelson, T.L. Patton, S. Serra * Finkbeiner, T., C. A. Barton, and M. D. Zoback, 1997, [http://archives.datapages.com/data
    5 KB (638 words) - 14:17, 2 February 2022
  • Sequence stratigraphy analysis
    ...Wagoner, 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 seq ...imentation is restricted to pelagic and hemipelagic particles.<ref>Loutit, T. S., J. Hardenbohl, P. R. Vail, and G. R. Baum, 1988, Condensed sections: T
    4 KB (612 words) - 17:39, 13 April 2022
  • AAPG Wiki:Privacy policy
    {{Draft|We could just redirect to the site-wide T&C page}}
    2 KB (333 words) - 15:37, 9 October 2013
  • Production testing
    ...rface pressure) at stabilized producing conditions.<ref name=pt09r1>Allen, T. O., and A. P. Roberts, 1978, Production Operations, Volume 1: Tulsa, OK, O ...so be used to estimate formation permeability<ref name=pt09r15>Lee, W. J., T. B. Kuo, S. A. Holditch, and D. A. McVay, 1984, Estimating formation permea
    14 KB (2,165 words) - 18:42, 20 January 2022
  • Reef
    ...f, US Virgin Islands. From Zitello et al.<ref>Zitello, A. G., L. J. Bauer, T. A. Battista, P. W. Mueller, M. S. Kendall and M. E. Monaco, 2009, Shallow-
    2 KB (298 words) - 21:30, 21 November 2014
  • Minibasins and petroleum systems
    ...AAPG Memoir 55], 460 p.</ref><ref name=ch04r104>Van Wagoner, J. C., and G. T. Bertram, eds., 1995, Sequence stratigraphy of Foreland Basin Deposits: [ht
    2 KB (315 words) - 18:44, 21 March 2022
  • Statistics overview
    | author = T. C. Coburn, Brian R. Shaw | <math>\bar{k} = \displaystyle\frac{1}{H_{t}} \displaystyle\sum\limits_{i=1}^{N}k_{i}h_{i}</math>
    16 KB (2,483 words) - 19:28, 19 January 2022
  • Petroleum source rock formation
    ...other areas where oxygen replenishment is low.<ref>Demaison, G. J., and G. T. Moore, 1980, Anoxic environments and oil source bed genesis: American Asso
    2 KB (296 words) - 17:35, 13 April 2022
  • Production histories
    :<math>q = q_{\rm i}(1 + D)^{t}</math> * ''q'' = production rate at time ''t''
    11 KB (1,656 words) - 18:41, 20 January 2022
  • China Shale Gas & Liquids - Bohai Bay Basin
    ...rried out back to old wells, industrial oil flows varying from 6.3 to 44.0 t/d have been obtained after fracturing (Song et al., 2020). 15.Li, M., Z. Chen, X. Ma, T. Cao, M. Qian, Q. Jiang, G. Tao, Z. Li, and G. Song, 2019. Shale oil resour
    8 KB (1,251 words) - 15:51, 14 March 2022
  • Sediment thickness and field location maps: Gulf of Mexico example
    ...in. From Winker & Buffler;<ref name=WinkerandBuffler>Winker, C. D., and R. T. Buffler, 1988, [http://archives.datapages.com/data/bulletns/1988-89/data/p ...on the slope and basin floor.<ref name=Feng_Buffler_1994>Feng, J., and R. T. Buffler, 1994, Turbidite systems and their temporal and spacial distributi
    5 KB (753 words) - 19:58, 18 February 2022
  • Quantitative fault seal analysis
    ...al, 4356 p.</ref><ref name=ch10r97>Yielding, G., Freeman, B., Needham, D., T., 1997, [http://archives.datapages.com/data/bulletns/1997/06jun/0897/0897.h ...1372–1385.</ref><ref name=ch10r97>Yielding, G., Freeman, B., Needham, D., T., 1997, Quantitative fault seal prediction: AAPG Bulletin, vol. 81, no. 6,
    9 KB (1,327 words) - 16:32, 29 March 2022
  • Measuring displacement pressure using mercury injection
    ...l mercury capillary curve for a sandstone.<ref name=ch10r67>Schowalter, T. T., 1979, [http://archives.datapages.com/data/bulletns/1977-79/data/pg/0063/0
    5 KB (749 words) - 19:46, 31 March 2022
  • Economics: fundamental equations for oil and gas property evaluation
    :<math>P = ( N \times R \times W ) - T - C - F - I </math> * ''T'' = Wellhead taxes
    6 KB (842 words) - 19:26, 19 January 2022
  • Gas chromatography/mass spectrometry (GC/MS): examples of correlations
    Numbered peaks are hopanes. T<sub>s</sub> and T<sub>m</sub> are, respectively, 18α(H)-22,29,30-trisnorneo-hopane and 17α(
    6 KB (775 words) - 21:49, 15 February 2022
  • Thelma field
    | chapter = A Depositional Model for the T-Block Thelma Field, UKCS Block 16/17 | author = Mark A. Jones, Bryan T. Cronin, Simon Allerton
    17 KB (2,614 words) - 19:14, 17 January 2022
  • China Shale Gas & Liquids - Sichuan Basin
    Dong, T., He, S., Chen, M., Hou, Y., Guo, X., Wei, C., Han, Y., Yang, R., 2019. Qua He, Z., Nie, H., Hu, D., Jiang, T., Wang, R., Zhang, Y., Zhang, G., Lu, Z., 2020. Geological problems in the
    7 KB (985 words) - 18:54, 4 December 2023
  • East Breaks source rock
    ...been analyzed by Dow et al.<ref name=ch04r29>Dow, W. G., M. A. Yukler, J. T. Senftle, M. C. Kennicutt II, and J. M. Armentrout, 1990, Miocene oil sourc ...after Antoine et al.;<ref name=Antoine1974>Antoine, J. W., R. G. Ray, Jr., T. G. Pyle, and W. R. Bryant, 1974, Continental margins of the Gulf of Mexico
    7 KB (1,080 words) - 17:44, 23 March 2022
  • Drill stem testing
    | ( ''P''<sub>1</sub> – ''P''<sub>0</sub> )/( ''t''<sub>1</sub> – ''t''<sub>0</sub> ) | ( ''P''<sub>2</sub> – ''P''<sub>1</sub> )/( ''t''<sub>2</sub> – ''t''<sub>1</sub> )
    26 KB (4,009 words) - 15:09, 24 January 2022
  • Basin outline: Gulf of Mexico example
    ...odified after Winker and Buffler.<ref name=ch04r116>Winker, C., D., and R .T. Buffler, 1988, [http://archives.datapages.com/data/bulletns/1988-89/data/p
    3 KB (370 words) - 17:53, 18 February 2022
  • Basin-centered gas systems: gas resources
    ...ef name=Johnsonetal_1999>Johnson, R. C., R. A. Crovelli, B. G. Lowell, and T. M. Finn, 1999, An assessment of in-place gas resources in the low-permeabi ...uuskraa et al.<ref name=Kuuskraaetal_1978>Kuuskraa, V. A., J. P. Brashear, T. M. Doscher, and L. E. Elkins, 1978, Enhanced recovery of unconventional ga
    9 KB (1,242 words) - 15:47, 11 March 2015
  • Formation fluid pressure from drill stem tests
    ...nd FSIP on a Horner plot (pressure vs. psuedo or Horner time, or (T + ΔT)/ΔT. Copyright: Dahlberg;<ref name=ch05r5 /> courtesy Springer-Verlag.]] ...nd FSIP on a Horner plot (pressure vs. psuedo or Horner time, or (T + ΔT)/ΔT
    6 KB (997 words) - 17:55, 17 February 2022
  • Bakken and Three Forks Formations, Williston Basin, North Dakota and Montana (USGS)
    .... 1127–1153.</ref>; <ref name=GaswirthMarra />; <ref name=Nesheim>Nesheim, T. O., 2019, Examination of downward hydrocarbon charge within the Bakken-Thr * Saputra et al.<ref name=Saputra>Saputra, W., W. Kirati, and T. Patzek, 2019, Generalized extreme value statistics, physical scaling and f
    11 KB (1,595 words) - 20:20, 2 June 2021
  • Fracture threshold in the real world
    We don't really know how high the pore pressure must be to induce [[Fracture|fractur Pore pressure (p) is not always a smooth curve.<ref name=ch10r26>Engelder, T., and J. Leftwich, 1993, An analysis of geopressure profiles from south Tex
    6 KB (930 words) - 15:49, 30 March 2022
  • Covenant field
    ...in the central 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. ...Toarcian) eolian sandstone. Parry, Chan, and Nash<ref name=Parry>Parry, W. T., M. A. Chan, & B. P. Nash, 2009, [http://archives.datapages.com/data/bulle
    6 KB (897 words) - 19:39, 14 February 2017
  • Standard interpretation
    ...se associated with the matrix (Δ''t''<sub>ma</sub>). Typical values for Δ''t''<sub>ma</sub> are 55.5 μsec/ft for sandstone, 47.5 μsec/ft for limestone ...pparent sonic porosity or from the sonic response in nearby shale (Cp = Δ''t''<sub>sh</sub>/100.0). Hy is approximate and is set equal to 0.9 for oil an
    25 KB (3,776 words) - 19:53, 18 January 2022
  • Buoyancy forces in reservoir fluids
    ...ole drilled through the oil column.<ref name=Schowalter1979>Schowalter, T. T., 1979, [http://archives.datapages.com/data/bulletns/1977-79/data/pg/0063/0
    8 KB (1,182 words) - 20:27, 3 March 2016
  • Special field techniques
    ...be the best available example of that same formation at depth. If this isn't the case, though, another approach exists. A shallow coring program is a co
    3 KB (412 words) - 22:40, 1 February 2022
  • Maturation
    For example, [[Tmax|T<sub>max</sub>]] cutoffs for [[Petroleum generation|hydrocarbon-generation]]
    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 ...tion are given in Harding and Lowell<ref name=Harding_Lowell_1979>Harding, T. P., and J. D. Lowell, 1979, [http://archives.datapages.com/data/bulletns/1
    3 KB (420 words) - 20:13, 3 February 2022
  • Surficial geochemical interpretation guidelines
    ...e, vol. 229, p. 821–827.</ref> Jones and Drozd<ref name=ch18r17>Jones, V., T., and R. J. Drozd, 1983, [http://archives.datapages.com/data/bulletns/1982-
    8 KB (1,128 words) - 22:24, 31 January 2022
  • Surficial geochemistry and hydrocarbon detection methods
    ...ience., 229., 4716., 821</ref> Jones and Drozd<ref name=ch18r17>Jones, V., T., Drozd, R., J., 1983, [http://archives.datapages.com/data/bulletns/1982-83 .... (helium),<ref name=ch18r10>Cunningham, K., I., Roberts, A., A., Donovan, T., J., 1987, Horizontal-gradient magnetic and helium surveys, in Bird, K., J
    10 KB (1,443 words) - 16:08, 25 January 2022
  • Shale gouge ratio
    | author = G. Yielding, B. Freeman, and D. T. Needham
    3 KB (473 words) - 20:04, 11 March 2015
  • Basin-centered gas systems: global distribution
    ...ov et al.<ref name=Popovetal_2001>Popov, M. A., V. F. Nuccio, T. S. Dyman, T. A. Gognat, R. C. Johnson, J. W. Schmoker, M. S. Wilson, and C. Bartberger, ...[[Eocene]]/[[Paleocene]] || Direct || Smith<ref name=Smith_1994>Smith, J. T., 1994, [http://archives.datapages.com/data/specpubs/methodo2/data/a077/a07
    27 KB (3,753 words) - 14:53, 12 March 2019
  • Vaca Muerta, La Luna Shale, South America
    ...T. R. Klett, M. E. Tennyson, T. J. Mercier, J. K. Pittman, S. B. Gaswirth, T. M. Finn, M. E. Brownfield, P. A. Le, H. M. Leathers-Miller, and K. R. Marr ...D., P. Desjardins, G. Otharán, M. Paz, D. Kietzmann, G. Eberli, C. Zavala, T. Simo, J. H. Macquaker, and C. Heine, 2020, [https://archives.datapages.com
    11 KB (1,644 words) - 16:14, 11 May 2023

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