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  • Formation water density
    ...lying depth by 0.433 psi/ft or other appropriate gradient. Check for T<sub>f</sub> errors. # Estimate formation temperature T<sub>f</sub> using the following formula:
    5 KB (714 words) - 15:19, 13 September 2022
  • East Breaks geochemistry
    ...aporative fractionation reported by Thompson<ref name=ch04r95>Thompson, K. F. M., 1987, Fractionated aromatic petroleums and the generation of gas-conde ...nes in the HB-2 oil occur where the reservoir temperature is about 130&deg;F. After Dow et al.<ref name=ch04r29 /> Copyright: Gulf Coast SEPM.
    5 KB (648 words) - 15:33, 23 March 2022
  • Fracture threshold in the real world
    ...309–335.</ref> Risk increases as overpressure increases relative to P<sub>f</sub>, but failure may occur below the theoretical fracture pressure. Other ...ring]] occurs when the pore pressure reaches P<sub>f</sub>. However, P<sub>f</sub> increases as pore pressure increases. Although the theory generally i
    6 KB (930 words) - 15:49, 30 March 2022
  • Parasequences (fourth- and fifth-order sequences)
    ...Aneth field, southwestern USA, in J. F. Read, L. J. Weber, J. F. Sarg, and F. M. Wright, eds., Milankovitch Sea-Level Changes, Cycles, and Reservoirs on
    5 KB (619 words) - 22:26, 3 February 2022
  • Geothermal gradient
    ...dwide average geothermal gradients are from 24 to 41&deg;C/km (1.3-2.2&deg;F/100 ft), with extremes outside this range.<ref name=Petersetal_2012>Peters,
    901 bytes (127 words) - 19:53, 25 June 2015
  • Natural hydraulic fracturing of top seals
    ...Sea<ref name=ch10r84>Ungerer, P., J. Burrus, B. Doligez, P. Y. Chenet, and F. Bessis, 1990, [http://archives.datapages.com/data/bulletns/1990-91/data/pg ==Theoretical fracture pressure, p<sub>f</sub>==
    9 KB (1,274 words) - 15:44, 30 March 2022
  • Remote sensing
    * Sabins, F. F. Jr., 1998b, Remote sensing for petroleum exploration, part 2: [[case histo * Insley, M. W., F. X. Murphy, D. Naylor, and M. Critchley, 1996, The use of satellite imagery
    6 KB (794 words) - 20:06, 2 February 2022
  • Sequences during high-amplitude, high-frequency cycles
    ...worlds, in Read, J., F., Kerans, C., Webber, L., J., Sarg, J., F., Wright, F., M., eds., Milankovitch Sea-level Changes, Cycles, and Reservoirs on Carbo ...o diagenesis. From Read and Horbury.<ref name=Readandhorbury_1993>Read, J. F., and A. D. Horbury, 1993, [http://archives.datapages.com/data/specpubs/res
    6 KB (761 words) - 13:47, 7 April 2022
  • Predicting carbonate reservoir location and quality
    ...detail.aspx?id=585 AAPG Memoir 57], 545 p.</ref><ref name=ch09r52>Sarg, J. F., 1988, Carbonate sequence stratigraphy, in C. K. Wilgus, B. S. Hastings, C ...bonate platforms to relative sea-level changes, ''in'' R. G. Loucks and J. F. Sarg, eds., Carbonate sequence stratigraphy: Recent developments and appli
    7 KB (894 words) - 14:15, 11 April 2022
  • Natural hydraulic fracturing example, North Sea
    ...b>. In adjacent fields, the pore pressure is significantly less than P<sub>f</sub>.
    3 KB (430 words) - 19:46, 30 March 2022
  • Sequences during moderate-amplitude, high-frequency cycles
    ...se worlds, in Read, J. F., Kerans, C., Webber, L. J., Sarg, J. F., Wright, F. M., eds., Milankovitch Sea-level Changes, Cycles, and Reservoirs on Carbon
    5 KB (674 words) - 21:22, 6 April 2022
  • Displacement pressure estimation from pore size
    * Thin-section analysis of pore throats<ref name=ch10r20>Dullien, F., A., L., Dhawan, G., K., 1974, Characterization of pore structure by a com ...volume 3, 17–32.</ref><ref name=ch10r53>Macdonald, I F., P. Kaufmann, and F. A. L. Dullien, 1986, Quantitative image analysis of finite porous media 2:
    5 KB (766 words) - 22:55, 2 February 2016
  • Sequences during low-amplitude, high-frequency cycles
    ...worlds, in Read, J., F., Kerans, C., Webber, L., J., Sarg, J., F., Wright, F., M., eds., Milankovitch Sea-level Changes, Cycles, and Reservoirs on Carbo
    5 KB (708 words) - 21:00, 6 April 2022
  • Diagenesis: information from petrology
    ...(91)90087-Z</ref><ref name=ch21r38>Read, J. F., C. Kerans, J. F. Sarg, and F. M. Wright, 1995, Milankovitch Sea-Level Changes, Cycles, and Reservoirs on
    4 KB (544 words) - 21:38, 4 February 2022
  • Spontaneous potential logs in water resistivity calculation
    Formation temperature (T<sub>f</sub>) can be estimated by using the following formula: :<math>\mbox{T}_{\rm f} = \mbox{T}_{\rm s} + \mbox{D}_{\rm f} \frac{\mbox{BHT} - \mbox{T}_{\rm s}}{\mbox{TD}}</math>
    6 KB (1,027 words) - 16:40, 5 April 2022
  • Shale smear factor
    Lindsay et al.<ref name=Lindsay>Lindsay, N. G., F. C. Murphy, J. J. Walsh, and J. Watterson, 1993, Outcrop studies of shale s ...Clay smear potential (CSP)<ref>Bouvier, J. D., C. H. Kaars-Sijpesteijn, D. F. Kluesner, C. C. Onyejekwe, and R. C. Van der Pal, 1989, [http://archives.d
    3 KB (437 words) - 20:02, 13 December 2016
  • Other correlation features
    ...h field, southwestern U.S.A., in J. F. Read, L. J. Weber, J. F. Sarg, and F. M. Wright, eds., Milankovitch Sea-Level Changes, Cycles, and Reservoirs on
    6 KB (872 words) - 15:20, 4 February 2022
  • Water resistivity determination
    :<math>K = 61 + 0.133\mbox{T}(^{\circ}\mbox{F})\mbox{ or } 65 + 0.24\mbox{T}(^{\circ}\mbox{C})</math> * ''R''<sub>m</sub> = 2.5 Ω-m at [[temperature::70&deg;F]]
    13 KB (2,077 words) - 17:26, 18 January 2022
  • Barnett shale play
    ...of the fields (up until 2007), is outlined by Martineau.<ref>Martineau, D. F., 2007, [http://archives.datapages.com/data/bulletns/2007/04apr/INTRODUCTIO ..., G. Gülen, E. Potter, Q. Fu, S. Horvath, T. Patzek, F. Male, W. Fisher, & F. Roberts, 2013, Barnett shale model-2 (Conclusion): Barnett study determine
    6 KB (909 words) - 19:24, 14 March 2019
  • Sea level cycles and climate
    ...) to times of warmer temperatures (greenhouse).<ref name=ch09r50>Read, J., F., Horbury, A., D., 1993, [http://archives.datapages.com/data/specpubs/resmi ...worlds, in Read, J., F., Kerans, C., Webber, L., J., Sarg, J., F., Wright, F., M., eds., Milankovitch Sea-level Changes, Cycles, and Reservoirs on Carbo
    7 KB (894 words) - 20:54, 6 April 2022
  • Parana-Etendeka CBP
    ...ovani, M. S. M., L. S. Marques, M. A. De Sousa, L. Civetta, L. Atalla, and F. Innocenti, 1985, Trace element and strontium isotope constraints on the or ...eate_1992 /><ref name=Nardy_2008>Nardy, A. J. R., F. B. Machado, and M. A .F. Oliveira, 2008, As rochas vulcânicas mesozoicas ácidas da Bacia do Paran
    6 KB (922 words) - 19:45, 11 April 2019
  • Procedure for geometrical analysis
    ...th field, southwestern U.S.A., in J. F. Read, L. J. Weber, J. F. Sarg, and F. M. Wright, eds., Milankovitch Sea-Level Changes, Cycles, and Reservoirs on
    6 KB (862 words) - 15:20, 4 February 2022
  • Magnetotellurics survey measurements
    ...ivity} = \left(\frac{\mbox{E}}{\mbox{H}}\right)^{2} \times \frac{1}{5\mbox{f}}</math> * f = frequency
    4 KB (519 words) - 19:57, 27 January 2022
  • Sea level cycles and carbonate diagenesis
    ...worlds, in Read, J., F., Kerans, C., Webber, L., J., Sarg, J., F., Wright, F., M., eds., Milankovitch Sea-level Changes, Cycles, and Reservoirs on Carbo ...down section for hundreds to thousands of feet.<ref name=ch09r50>Read, J., F., Horbury, A., D., 1993, [http://archives.datapages.com/data/specpubs/resmi
    7 KB (960 words) - 21:00, 6 April 2022
  • Tar sands
    ...g to a specific gravity of less than 10&deg; [[API gravity|API]] at 60&deg;F (16&deg;C). Carrigy<ref name=Carrigy_1983>Carrigy, M. A., 1983, [https://ww ...A., and J. Alonso, 1995, Orimulsion-The growing pain of an idea, ''in'' R. F. Meyer, ed., Heavy crude and tar sands-Fueling for a clean and safe environ
    7 KB (1,012 words) - 13:40, 18 March 2019
  • Overpressure and hydrocarbon distribution, Gulf Coast
    ...depth. As depth increases, confining pressure increases and thus the P<sub>f</sub> increases. As fracture pressure increases, the depth of the first [[i
    4 KB (605 words) - 20:30, 30 March 2022
  • Third-order sequences
    ...th field, southwestern U.S.A., in J. F. Read, L. J. Weber, J. F. Sarg, and F. M. Wright, eds., Milankovitch Sea-Level Changes, Cycles, and Reservoirs on
    8 KB (1,084 words) - 22:25, 3 February 2022
  • Displacement pressure: theory vs. reality
    ...column]] heights.<ref name=ch10r12>Catalan, L., F. Xiaown, I. Chatzis, and F. A. L. Dullien, 1992, [http://archives.datapages.com/data/bulletns/1992-93/
    4 KB (587 words) - 13:36, 1 April 2022
  • Black Warrior basin
    ...ylvanian]] in the Black Warrior basin.<ref name=Bolandetal_1971>Boland, L. F., E. D. Minihan, and W. A. Thomas, 1971, [http://archives.datapages.com/dat
    2 KB (308 words) - 16:53, 26 March 2015
  • Tool table
    ! F || S || B || K || O || Excentered || Stand-Off (in.) || Centered <sup>b</sup><sub>Mud types: F = freshwater (low salt), S = high salt, B = barite, K = high potassium salt
    5 KB (544 words) - 16:27, 18 January 2022
  • Structural geology fieldwork
    * Ghisetti, F., Mechanisms of thrust faulting in the Gran Sasso chain, southern Appenines ...J., Brayshaw, A., C., Ali-Zade, A., A., Guliyev, I., S., Suleymanova, S., F., Ateava, E., Z., Mamedova, D., N., Koshkarly, R., O., 1998, [http://archiv
    4 KB (557 words) - 20:06, 2 February 2022
  • Migration by separate phase
    ...:9,000 ft]] with a [[geothermal gradient]] of about [[temperature::1.5&deg;F]]/100 ft and a surface temperature of [[temperature::70&deg;C]]. ...ar, P. Y. Chenet, B. Durand, E. Nogaret, A. Chiarelli, J. L. Oudin, and J. F. Perrin, 1984, [http://archives.datapages.com/data/specpubs/geochem1/data/a
    8 KB (1,155 words) - 15:17, 14 February 2022
  • Palynofacies and kerogen analysis
    ...|hydrocarbon generation]] is broached by Staplin<ref name=ch17r82>Staplin, F., L., 1969, Sedimentary organic matter, organic metamorphism, and oil and g ...oal Measure palaeoecology and palaeoenvironmental analysis: Neues Jahrbuch für Geologie und Paläontologie, Abhandlung, vol. 183, no. 1–3, p. 135–1
    6 KB (805 words) - 18:09, 24 January 2022
  • Sandstone diagenetic processes
    | Shallow || <80&deg;C or 176&deg;F (<5,00 to 10,00 ft) | Intermediate || 80-140&deg;C or 176–284&deg;F
    7 KB (870 words) - 20:30, 5 April 2022
  • Sequence stratigraphy
    ...3–42.</ref><ref name=ch21r38>Read, J. F., Kerans, C., Sarg, J. F., Wright, F. M., 1995, Milankovitch Sea-Level Changes, Cycles, and Reservoirs on Carbon
    8 KB (1,093 words) - 21:21, 3 February 2022
  • Basin-centered gas systems: historical development and classification
    ...ttonetal_1993>Dutton, S. P., S. J. Clift, D. S. Hamilton, H. S. Hamlin, T. F. Hentz, W. E. Howard, M. S. Akhter, and S. E. Laubach, 1993, Major low-perm ...us Trinidad Sandstone, Raton basin, Colorado], ''in'' C. W. Spencer and R. F. Mast, eds., Geology of tight gas reservoirs: AAPG Studies in Geology 24, p
    9 KB (1,373 words) - 13:40, 10 March 2015
  • Structural analogies
    * Gabrielsen, F. H., Steel, R. J., Nottvedt, A., 1995, Subtle traps in extensional terranes * Hardman, R. F. P., Brooks, J., eds., 1990, Tectonic Events Responsible for Britain's Oil
    4 KB (579 words) - 20:52, 2 February 2022
  • Fault seal quantitative prediction: shale smear factor, shale gouge ratio, and smear gouge ratio
    ...Clay smear potential (CSP)<ref>Bouvier, J. D., C. H. Kaars-Sijpesteijn, D. F. Kluesner, C. C. Onyejekwe, and R. C. Van der Pal, 1989, [http://archives.d Lindsay et al.<ref name=Lindsay>Lindsay, N. G., F. C. Murphy, J. J. Walsh, and J. Watterson, 1993, Outcrop studies of shale s
    8 KB (1,307 words) - 16:05, 14 December 2016
  • China Shale Gas & Liquids - Bohai Bay Basin
    3.Hao, F., X. Zhou, Y. Zhu, and Y. Yang, 2011, Lacustrine source rock deposition in 4.Tian, J., F. Hao, X. Zhou, and H. Zou, 2017, Distribution, controlling factors, and oil
    8 KB (1,251 words) - 15:51, 14 March 2022
  • Sorrento field: water saturation
    ...nne County, Colorado, ''in'' S. A. Sonnenberg, L. T. Shannon, K. Rader, W. F. von Drehle, and G. W. Martin, eds., Morrow sandstones of Southeast Colorad ...nne County, Colorado, ''in'' S. A. Sonnenberg, L. T. Shannon, K. Rader, W. F. von Drehle, and G.W. Martin, eds., Morrow Sandstones of Southeast Colorado
    7 KB (1,044 words) - 16:57, 13 April 2022
  • Pressure compartment seals
    ...possibly the zone of mineralization stays near the [[temperature::200&deg;F]] isotherm, migrating as the basin subsides or rebounds. Once a seal forms, ...static pressure exceeds the [http://www.glossary.oilfield.slb.com/en/Terms/f/fracture_gradient.aspx fracture gradient] of the top seal. Hydrocarbons rel
    5 KB (763 words) - 17:58, 17 February 2022
  • Recognizing stacked depositional sequences in seismic profiles
    ...ref> and the oxygen isotope curve of Williams and Trainor<ref>Williams, D. F., and D. M. Trainor, 1987, Integrated chemical stratigraphy of deep-water f ...f><ref name=ch04r3>Anderson, R., N., Abdulah, K., Sarzalejo, S., Siringan, F., Thomas, M., A., 1996, Late Quaternary sedimentation and high-resolution s
    5 KB (698 words) - 14:57, 23 February 2022
  • Economics: fundamental equations for oil and gas property evaluation
    :<math>P = ( N \times R \times W ) - T - C - F - I </math> * ''F'' = Federal income taxes
    6 KB (842 words) - 19:26, 19 January 2022
  • Seal capacity of different rock types
    ...SPE/DOE paper 13879.</ref> Melas and Friedman<ref name=ch10r56>Melas, F., F., Friedman, G., M., 1992, [http://archives.datapages.com/data/bulletns/1992
    5 KB (760 words) - 20:55, 31 March 2022
  • AAPG Wiki:Test extensions
    :<math>R(\theta ) = R(0) + G \sin^2 \theta + F ( \tan^2 \theta - \sin^2 \theta )\ </math>
    2 KB (358 words) - 14:35, 24 March 2014
  • Fluid flow fundamentals
    ...relating the oil rate to the drawdown is called the productivity index, ''f'', and is defined as * ''T'' = temperature(R° = F° + 460)
    20 KB (3,155 words) - 21:20, 19 January 2022
  • Morphometric and particle analysis
    ....: London, Academic Press, 233 p.</ref><ref name=ch17r74>Rohlf, F. J., and F. L. Bookstein, eds., 1990, Proceedings of the Michigan Morphometrics Worksh
    5 KB (718 words) - 20:59, 31 January 2022
  • Full waveform acoustic logging
    ...ave velocities, respectively.<ref name=pt07r6 /><ref name=pt07r45>Paillet, F. L., and J. E. White, 1982, Acoustic modes of propogation in the borehole a ....</ref> <ref name=pt07r33>Lang, W. W., A. L. Kurkjian, J. H. McClellan, C. F. Morris, and T. W. Parks, 1987, Estimating slowness dispersion from arrays
    10 KB (1,530 words) - 20:47, 19 January 2022
  • Seismic scale importance
    ...and [[Paradox basin]]s, U.S.A. Copyright: Sarg;<ref name=Sarg1988>Sarg, J. F., 1988, Carbonate sequence stratigraphy, in C.K. Wilgus et al., eds., Sea-L
    2 KB (346 words) - 21:06, 3 February 2022
  • East Breaks petroleum system
    ...ccumulation prior to burial of the reservoirs below [[temperature::140&deg;F]] ([[temperature::60&deg;C]]).
    3 KB (378 words) - 18:45, 21 March 2022

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