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  • Douglas K. Strickland
    [[File:Strickland.png|500px|thumb|Douglas K. Strickland]] Douglas K. Strickland was an accomplished and renowned exploration geologist, recogni
    4 KB (525 words) - 19:41, 14 February 2017

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  • What is permeability?
    Absolute [[permeability]] (K<sub>a</sub>) is the property of a rock that characterizes the flow of fluid ==Horizontal and vertical k<sub>a</sub>==
    5 KB (694 words) - 20:41, 4 April 2022
  • Relative permeability
    ...tive permeability to oil (K<sub>ro</sub>), gas (K<sub>rg</sub>), or water (K<sub>rw</sub>) is the ratio of effective permeability of oil, gas, or water ==Why k<sub>ro</sub> or k<sub>rg</sub> is less than k<sub>ab</sub>==
    9 KB (1,351 words) - 13:31, 5 April 2022
  • Douglas K. Strickland
    [[File:Strickland.png|500px|thumb|Douglas K. Strickland]] Douglas K. Strickland was an accomplished and renowned exploration geologist, recogni
    4 KB (525 words) - 19:41, 14 February 2017
  • Rock quality
    .... 2, p. 191–198.</ref> is much more effective for determining quality. The K<sub>a</sub>/Φ ratio or the r<sub>35</sub> method yields information about ...is a macroporous, oolitic [[limestone]]. Its average Φ is 10% and average K<sub>a</sub> is 10 md.
    10 KB (1,534 words) - 16:53, 4 April 2022
  • Migration rate calculation
    :<math>\mbox{R} = {-}(\mbox{k} \times \mbox{A/m} \times [(\mbox{P}_{\rm grad} + \mbox{P}_{\rm c}) - \rho_ * k = permeability to oil or gas at a given saturation (m<sup>2</sup>)
    4 KB (618 words) - 19:40, 14 February 2022
  • Magnetic field: local variations
    ...the top of basement where basement is of uniform magnetic susceptibility (k) ...ilities. If the average magnetic susceptibilities (''k''<sub>1</sub> and ''k''<sub>2</sub>) of the basement blocks are unknown, then we cannot determine
    6 KB (946 words) - 19:56, 27 January 2022
  • Fracture
    ...ons to fault, joints, veins, dikes, and solution surfaces, in Atkinson, B. K., ed., Fracture Mechanics of Rock: London, Academic Press, p. 277–349.</r
    951 bytes (136 words) - 20:39, 10 February 2015
  • Traps in a framework of sequence stratigraphy
    ...=ch21r39>Sarg, J. F., 1988, Carbonate sequence stratigraphy, in Wilgus, C. K., Hastings, B. S., Posamentier, H. M., Van Wagoner, J., Ross, C. A., Kendal ...goner et al.<ref name=ch21r47>Van Wagoner, J. C., Mitchum, R. M., Campion, K. M., Rahmanian, V. D., 1990, Siliciclastic Sequence stratigraphy in Well Lo
    4 KB (486 words) - 14:57, 4 February 2022
  • Gas hydrates
    ...il sometime in the 21st century.<ref name=Kvenvolden_1993ap279>Kvenvolden, K. A., 1993, A primer on gas hydrates, ''in'' D. G. Howell, ed., [http://pubs
    7 KB (1,050 words) - 20:53, 6 January 2015
  • Waterflooding
    ...e ratio of the [[relative permeability]] to water at ''S''<sub>or</sub> (''k''<sub>rw</sub>) to the relative permeability of the oil at ''S''<sub>wi</su * ''k''<sub>rw</sub> = relative permeability of water
    10 KB (1,468 words) - 18:23, 21 January 2022
  • Morrow lithofacies and pore types: Sorrento field
    ...field, Cheyenne County, Colorado, ''in'' S. A. Sonnenberg, L. T. Shannon, K. Rader, W. F. von Drehle, and G.W. Martin, eds., Morrow Sandstones of South ...ity (Φ) is 20-22%, but more typical values are 10-15%. Air permeabilities (K<sub>a</sub>) are as great as 1-2 darcies but more commonly are 200-500 md.
    6 KB (769 words) - 17:23, 11 April 2022
  • Covenant field
    ...l presentations at AAPG conferences.<ref name=Strickland05>Strickland, D., K. R. Johnson, J. P. Vrona, D. D. Schelling, and D. A. Wavrek, 2005, [http:// ...eHamer, E. E. Hartwick, K. R. Johnson, D. D. Schelling, D. A. Sprinkel, D. K. Strickland, J. P. Vrona, & D. A. Wavrek, 2007, Central Utah: Diverse Geolo
    6 KB (897 words) - 19:39, 14 February 2017
  • Botucatu Formation
    ...s inverse grading.<ref name=Scherer_et_Golberg_2007>Scherer, C. M. S., and K. Goldberg, 2007, Palaeowind patterns during the latest Jurassic–earliest ...ico do Mesozóico da Bacia do Paraná, ''in'' M. Holz, C. M. S. Scherer, and K. Goldberg, Palaeogeography, Palaeoclimatology, Palaeoecology, pp. 335–354
    3 KB (432 words) - 17:54, 22 March 2019
  • Geochemical surface expression
    ...</ref><ref name=ch18r37>Saunders, D. F., K. R. Burson, J. J. Brown, and C. K. Thompson, 1999, [http://archives.datapages.com/data/bulletns/1999/01jan/01
    4 KB (493 words) - 22:00, 31 January 2022
  • Kerogen type and hydrocarbon generation
    :<math>\text{K} = \mbox{Ae}^{-{\text{E}_\text{a}/\text{RT(t)}}}</math> ...aboratory report UCID 21665, March 1989.</ref><ref name=ch06r2>Burnham, A. K., and J. J. Sweeney, 1990, Modeling Maturation and Migration of Petroleum:
    5 KB (651 words) - 16:11, 10 February 2022
  • Seal ductility
    ...6/0148-9062(80)90004-2</ref> and clay mineralogy<ref name=ch10r14>Corbett, K., Friedman, M., Spang, J., 1987, [http://archives.datapages.com/data/bullet
    4 KB (510 words) - 15:22, 30 March 2022
  • Hydrodynamic influence on trapping
    ...uipotential]] surfaces for hydrocarbons. Hubbert<ref name=ch05r11>Hubbert, K., 1953, [http://archives.datapages.com/data/bulletns/1953-56/data/pg/0037/0 ...amic environment. Modified. Copyright: North;<ref name=North1985>North, F. K., 1985, Petroleum Geology: London, Allen & Unwin, 246 p.</ref> courtesy All
    4 KB (582 words) - 22:08, 17 February 2022
  • Fault seal behavior
    ...avior is in controlling hydrocarbon accumulations.<ref name=ch10r13>Chong, K. P., P. M. Hoyt, J. W. Smith, and B. Y. Paulsen, 1980, Effects of strain ra ...leak if the column increases to [[length::51 m]].<ref name=ch10r13>Chong, K., P., Hoyt, P., M., Smith, J., W., Paulsen, B., Y., 1980, Effects of strain
    4 KB (598 words) - 19:47, 24 March 2022
  • Surficial geochemistry and hydrocarbon detection methods
    ...theory of soil gas geochemistry in petroleum exploration], in Merrill, R., K., ed., Source and Migration Processes and Techniques: [http://store.aapg.or ...ame=ch18r37>Saunders, D., F., Burson, K., R., Brown, J., J., Thompson, C., K., 1999, [http://archives.datapages.com/data/bulletns/1999/01jan/0170/0170.h
    10 KB (1,443 words) - 16:08, 25 January 2022
  • Tool table
    ! F || S || B || K || O || Excentered || Stand-Off (in.) || Centered .../sup><sub>Mud types: F = freshwater (low salt), S = high salt, B = barite, K = high potassium salt, O = oil-based.</sub><br>
    5 KB (544 words) - 16:27, 18 January 2022
  • Sequence stratigraphy analysis
    ...developed significantly since the seminal work of Vail et al.<ref>Vail, P. K., R. M. Mitchum, R. G. Todd, J. M. Widmier, S. Thompson, J. B. Sangree, J. ...age determinations and correlation of continental margin sequences, in C. K. Wilgus et al., eds, Sea-Level Changes: An Integrated Approach: SEPM Specia
    4 KB (612 words) - 17:39, 13 April 2022
  • Sandstone porosity and permeability prediction
    ...itional environments.</ref><ref name=ch09r20>Galloway, W., E., Hobday, D., K., 1983, Terrigenous Clastic Depositional Systems: Applications to Petroleum
    2 KB (300 words) - 20:29, 5 April 2022
  • Structural analogies
    * Morley, C. K., Nelson, R. A., Patton, T. L., Munn, S. G., 1990, [http://archives.datapag * Erslev, E. A., Mayborn, K., R., 1997, Multiple geometries and modes of fault-propagation folding in t
    4 KB (579 words) - 20:52, 2 February 2022
  • Chronostratigraphy
    ...phic Chart] 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 Internation
    3 KB (354 words) - 18:34, 14 March 2019
  • Basin-centered gas systems: gas resources
    ...on accumulations, ''in'' D. L. Gautier, G. L. Dolton, K. I. Takahashi, and K. L. Varnes, eds., 1995 national assessment of United States oil and gas res
    9 KB (1,242 words) - 15:47, 11 March 2015
  • AAPG Wiki:Users
    | '''Member''' || 100 k || Single sign-on || Yes || Edit || All other AAPG members
    2 KB (294 words) - 16:01, 6 August 2013
  • Surficial geochemical survey objectives
    ...ame=ch18r36>Saunders, D., F., Burson, K., R., Brown, J., J., Thompson, C., K., 1993, [http://archives.datapages.com/data/bulletns/1992-93/data/pg/0077/0 ...are few but include Belt and Rice<ref name=ch18r8>Belt, J., Q., Rice, G., K., 1996, Offshore 3D seismic, geochemical data integration, Main Pass projec
    8 KB (1,055 words) - 16:29, 25 January 2022
  • Sorrento field: water saturation
    ...field, Cheyenne County, Colorado, ''in'' S. A. Sonnenberg, L. T. Shannon, K. Rader, W. F. von Drehle, and G. W. Martin, eds., Morrow sandstones of Sout ...field, Cheyenne County, Colorado, ''in'' S. A. Sonnenberg, L. T. Shannon, K. Rader, W. F. von Drehle, and G.W. Martin, eds., Morrow Sandstones of South
    7 KB (1,044 words) - 16:57, 13 April 2022
  • Statistics overview
    ...Atkinson, A. C., 1985, Plots, transformations, and regression: Oxford, U., K., Oxford Press, 282 p.</ref> Often a simple crossplot reveals the essential | <math>\bar{k} = \displaystyle\frac{1}{H_{t}} \displaystyle\sum\limits_{i=1}^{N}k_{i}h_{i
    16 KB (2,483 words) - 19:28, 19 January 2022
  • Macroseepage vs. microseepage in surficial geochemistry
    ...e world's important oil and gas producing areas.<ref name=ch18r21>Link, W. K., 1952, [http://archives.datapages.com/data/bulletns/1949-52/data/pg/0036/0 ...ss than 1 meter per day to tens of meters per day.<ref name=ch18r4>Arp, G. K., 1992, Effusive microseepage: a first approximation model for light hydroc
    6 KB (754 words) - 22:07, 24 January 2022
  • Mudstones
    ...10, p. 3–14.</ref>/><ref name=Lzr2015a /><ref name=Lzr2015b>Lazar, O. R., K. M. Bohacs, J. Schieber, J. H. S. Macquaker, and T. M. Demko, 2015b, Mudsto ...v. 85, p. 230–246.</ref><ref name=Lzr2015b />; Bohacs et al.<ref> Bohacs, K. M., J. D. Ottmann, O. R. Lazar, M. Dumitrescu, R. Klimentidis, J. Schieber
    16 KB (2,352 words) - 18:46, 4 December 2023
  • Basin-centered gas systems: historical development and classification
    ...v. 3-oil and gas recovery: Tulsa, Oklahoma, Petroleum Publishing, p. K-2/1-K-2/13.</ref><ref name=Lawetal_1980>Law, B. E., C. W. Spencer, and N. H. Bost ...bon accumulations, ''in'' D. L. Gautier, G. L. Dolton, K. I Takahashi, and K. L. Varnes, eds., 1995 national assessment of United States oil and gas res
    9 KB (1,373 words) - 13:40, 10 March 2015
  • Overview of routine core analysis
    ...s selective sampling of specific zones.<ref name=pt05r38>Craft, M., and D. K. Keelan, 1985, Coring, Part 7—analytical aspects of sidewall coring: Worl ...causing errors in the measured gas saturation.<ref name=pt05r90>Keelan, D. K., 1972, A critical review of core analysis techniques: Journal of Canadian
    14 KB (2,121 words) - 21:16, 19 January 2022
  • Trap geometry: changes
    ...h faster than the rate of structural growth.<ref name=ch11r15>Hubbert, M., K., 1953, [http://archives.datapages.com/data/bulletns/1953-56/data/pg/0037/0 ...37/a037/0001/0000/0023.htm Migration from source to trap], in Merrill, R., K., ed., Source and Migration Processes and Evaluation Techniques: [http://st
    6 KB (845 words) - 15:29, 1 February 2022
  • Sequence stratigraphy
    ...Course 35, 79 p.</ref><ref name=ch21r47 /><ref name=Wilgusetal>Wilgus, C. K., Hastings, B. S., et al., 1988, Sea-level changes--an integrated approach: ...on clastic deposition II—sequence and systems tract models, in Wilgus, C., K., Hastings, B., S., Posamentier, H., W., Van Wagoner, J., Ross, C., A., Ken
    8 KB (1,093 words) - 21:21, 3 February 2022
  • Monte Carlo and stochastic simulation methods
    ...nce, as opposed to k-by-k dependence involving k variables at a time, with k &gt; 2. Bivariate dependence characteristics can be of the simpler linear c
    11 KB (1,623 words) - 19:24, 19 January 2022
  • Coal bed methane (UB)
    ...because they are destroyed by acids liberated from plants.<ref>Lutgens, F. K., E. J. Tarbuck, and D. G., 2012, Essentials of Geology: Upper Saddle River ...es of propane (C3H8) and butanes (C4H10).<ref>Thakur, P., S. Schatzel, and K. Aminian, eds., 2014, Coal bed methane—from prospect to pipeline: Amsterd
    5 KB (839 words) - 17:19, 28 March 2019
  • Core-to-log transformations and porosity-permeability relationships
    Attempts are often made at finding a relationship between [[permeability]] (''k'') and [[porosity]] (ϕ) by making a [http://www.merriam-webster.com/dictio ...samples that have similar rock properties, ''apart from porosity'', then ''k''-ϕ relationships can be more readily observed ([[:file:core-log-transform
    14 KB (1,893 words) - 20:15, 2 February 2016
  • Hydrology and sandstone diagenesis
    | Breakdown of K-feldspar or mica grains by fresh water ...nversion of smectite to illite, hydrolysis of micas, intense weathering of K-feldspar
    6 KB (787 words) - 13:43, 6 April 2022
  • Sequence stratigraphy: hierarchy of sequences
    ...]] evidence.<ref name=ch21r47>Van Wagoner, J. C., Mitchum, R. M., Campion, K. M., Rahmanian, V. D., 1990, Siliciclastic Sequence stratigraphy in Well Lo
    3 KB (380 words) - 22:25, 3 February 2022
  • Bakken and Three Forks Formations, Williston Basin, North Dakota and Montana (USGS)
    ...es of the Lodgepole Formation (<ref name=GaswirthMarra>Gaswirth, S. B. and K. R. Marra, 2015, U.S. Geological Survey 2013 assessment of undiscovered res ...eau of Economic Geology<ref name=Gherabati>Gherabati, S. A., H. S. Hamlin, K. M. Smye, R. L. Eastwood, F. R. Male, and G. McDaid, 2019, Evaluating hydro
    11 KB (1,595 words) - 20:20, 2 June 2021
  • Barnett shale play
    ...no. 4, pp. 475-499.</ref> Montgomery,<ref>Montgomery, S. L., D. M. Jarvie, K. A. Bowker, & R. M. Pollastro, 2005, [http://archives.datapages.com/data/bu ...rowning, et. al.,<ref>Browning, J. R., S. Ikonnikova, G. Gulen, E. Potter, K. Medlock, F. Male, S. Horvath, T. Patzek, Q. Fu, F. Roberts, and S. Tinker,
    6 KB (909 words) - 19:24, 14 March 2019
  • Top seal ductility estimation
    .... Data from Hoshino et al.<ref name=ch10r37>Hoshino, K., Koide, H., Inami, K., Iwamura, S., Mitsui, S., 1972, Mechanical properties of Japanese Tertiary
    7 KB (1,000 words) - 15:22, 30 March 2022
  • Gravity applications: examples
    ...ref> and Sheridan et al.<ref name=ch15r11>Sheridan, R. E., J. A. Grow, and K. D. Klitgord, 1988, Geophysical data, in R. E. Sheridan, and J. A. Grow, ed
    6 KB (915 words) - 15:10, 31 January 2022
  • Fracture traps
    3 KB (461 words) - 16:04, 13 April 2022
  • Tectonic modeling
    * Hubbert, M. K., 1937, Theory of scale models as applied to the study of geologic structur * Scott, T., E., Nielsen, K., C., 1991, The effects of porosity on the brittle-ductile transition in sa
    16 KB (2,083 words) - 21:28, 2 February 2022
  • Potential fields
    * Christopherson, K. R., 1990, Applications of magnetotellurics to petroleum exploration in Pap
    3 KB (393 words) - 19:52, 2 February 2022
  • Braided fluvial reservoirs
    ...the larger scale.<ref name=Gallowayandhobday_1996>Galloway, W. E., and D. K. Hobday, 1996, Terrigenous clastic depositional systems: Applications to pe ...2.</ref><ref name=Daviesetal_1993>Davies, D. K., B. P. J. Williams, and R. K. Vessell, 1993, Dimensions and quality of reservoirs originating in low and
    13 KB (1,859 words) - 21:29, 12 March 2019
  • Sea level cycles and carbonate sequences
    ...oner, et al.<ref name=ch09r63>Van Wagoner, J. C., Mitchum, R. M., Campion, K. M., Rahmanian, V. D., 1990, Siliciclastic Sequence Stratigraphy in Well Lo ...=ch09r52>Sarg, J. F., 1988, Carbonate sequence stratigraphy, in Wilgus, C. K., Hastings, B. S., Kendall, C. G. St. C., Posamentier, H. W., Ross, C. A.,
    7 KB (989 words) - 20:45, 6 April 2022
  • Fluid flow fundamentals
    ...law is broken down into two independent factors: rock [[permeability]], ''k'', and fluid [[viscosity]], μ For a linear flow system, this gives :<math>q = (A/L)(k/\mu)\Delta p</math>
    20 KB (3,155 words) - 21:20, 19 January 2022

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