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• Seal capacity of breached and hydrocarbon-wet seals
  ..., in Kleppe, J., Berg, E. W., Buller, A. T., Hjemeland, O., and Torsaeter, O., eds., North Sea Oil and Gas Reservoirs: London, Graham and Trotman, p. 19
  5 KB (693 words) - 14:23, 1 April 2022
• Waterflooding
  ...''_wi multiplied by the oil-water [[viscosity]] ratio (''μ''_o/''μ''_w) as expressed in the following equation: :<math>M = (k_{\rm rw}/k_{\rm ro}) \times (\mu_{\rm o}/\mu_{\rm w})</math>
  10 KB (1,468 words) - 18:23, 21 January 2022
• Tool table
  ! F || S || B || K || O || Excentered || Stand-Off (in.) || Centered ...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
• Apatite fission track analysis
  ==Using analysis with r_o==
  7 KB (994 words) - 21:38, 4 February 2022
• Paleontologic data
  ...nodont]]s or organic-walled microfossils; [[vitrinite reflectance]] (R_o) values; and observations on, or measurements of, significant specifi
  2 KB (268 words) - 15:18, 31 January 2022
• Regional pressure compartments
  .... Modified from Al-Shaieb et al.;<ref name=AlShaieb1995a>Al-Shaieb, Z., J. O. Puckette, A. A. Abdalla, and P. B. Ely, 1995a, [http://archives.datapages. ...ompartments. Al-Shaieb et al.<ref name=ch05r2>Al-Shaieb, Z., Puckette, J., O., Abdalla, A., A., Ely, P., B., 1995b, [http://archives.datapages.com/data/
  6 KB (811 words) - 17:58, 17 February 2022
• Seismic attributes
  ...> and Dorn et al.<ref name=ch13r7>Dorn, G., A., Tubman, K., M., Cooke, D., O'Connor, R., 1996, [http://archives.datapages.com/data/specpubs/study42/ch11
  6 KB (859 words) - 19:42, 27 January 2022
• Log analysis: lithology
  ...S_{\rm w}^{2} + \frac{(C_{\rm bw} - C_{\rm w})V_{\rm sh}Q_{\rm v}}{F_{\rm o}} S_{\rm w}</math> | Opal (3.5% H₂ O) || SiO₂ (H₂ O)₁₂₀₉ || 2.13 || 4. || 2. || 58. || || 1.75 || 3.72 || || || —
  25 KB (3,189 words) - 17:24, 18 January 2022
• Interpreting hydrocarbon shows
  ...on (S_o), or 100% S_w, and ends up with a higher S_o. Water refills the reservoir as hydrocarbons exit a trap (fill-up). D
  8 KB (1,130 words) - 17:09, 5 April 2022
• Mudstones
  ...ld Trip 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, ...ef><ref name=Lzr2015b />; Bohacs et al.<ref> Bohacs, K. M., J. D. Ottmann, O. R. Lazar, M. Dumitrescu, R. Klimentidis, J. Schieber, R. Montelli, C. Liu,
  16 KB (2,352 words) - 18:46, 4 December 2023
• Relative permeability
  ...imum. At point D on the K_ro-D curve (S_w ≈ 20%, S_o ≈ 80%), relative permeability is approaching 1.0 (~ 10 md).
  9 KB (1,351 words) - 13:31, 5 April 2022
• Basin-centered gas systems
  ...ration || capillary || variable || cuts across stratigraphy || >0.7% R_o || downdip from water
  4 KB (469 words) - 19:01, 14 March 2016
• Making regional tectonic maps
  ...the structural framework, see Jones and Freed.<ref name=ch04r50>Jones, J. O., and R. L. Freed, eds., 1996, Structural Framework of the Northern Gulf of ...salt and basin architecture in the northwestern Gulf of Mexico, ''in'' J. O. Jones, and R. L. Freed, eds., Structural Framework of the Northern Gulf of
  8 KB (1,069 words) - 20:03, 18 February 2022
• Organic facies
  ...he sediments." Organic facies are determined by their elemental (C, H, and O) composition and, in ambiguous circumstances, are further differentiated by ...[[hydrogen index]] (HI) and oxygen index (OI) were substituted for H/C and O/C.
  17 KB (2,472 words) - 17:39, 13 April 2022
• Pore and pore throat sizes
  ...or a sample. Erlich et al.<ref name=ch09r17>Erlich, R., S. J. Crabtree, K. O. Horkowitz, and J. P. Horkowitz, 1991, [http://archives.datapages.com/data/
  4 KB (516 words) - 14:04, 4 April 2022
• Bakken and Three Forks Formations, Williston Basin, North Dakota and Montana (USGS)
  ...127–1153.</ref>; <ref name=GaswirthMarra />; <ref name=Nesheim>Nesheim, T. O., 2019, Examination of downward hydrocarbon charge within the Bakken-Three * Platte River Associates<ref name=Theloy>Theloy, C., J. E. Leonard, C. O. Leonard, and P. W. Ganster, 2017, Using an uncertainty assessment approach
  11 KB (1,595 words) - 20:20, 2 June 2021
• Basin-centered gas systems: elements and processes
  ...ld have levels of thermal maturity equal to or greater than 0.7-0.9% R_o. ...cracking to gas starts at [[vitrinite reflectance]] values of 1.75% R_o (M. D. Lewan, 2002, personal communication).
  20 KB (2,949 words) - 18:24, 6 April 2016
• Kerogen
  ! [[Vitrinite reflectance|Vitrinite refl.]], % R_o, Type II ! Vitrinite refl., % R_o, Type III
  17 KB (2,363 words) - 17:40, 9 February 2022
• Structural geology fieldwork
  ...S., Suleymanova, S., F., Ateava, E., Z., Mamedova, D., N., Koshkarly, R., O., 1998, [http://archives.datapages.com/data/bulletns/1998/01jan/0025/0025.h
  4 KB (557 words) - 20:06, 2 February 2022
• Maps of hydrocarbon types: Gulf of Mexico example
  Table 1, modified from Gross et al.<ref name=ch04r40>Gross, O. P., K. C. Hood, L. M. Wenger, and S. C. Harrison, 1995, Seismic imaging an
  5 KB (633 words) - 20:02, 18 February 2022
• Hammerfest basin
  ...potential of the Norwegian Barents Sea based on recent well results, in T. O. Vorren, E. Bergsager, Ø. A. Dahl- Stamnes, E. Holter, B. Johansen, E. Lie ...011<ref name=Chandetal2011>Chand, S., L. Rise, J. Knies, H. Haflidason, B. O. Hjelstuen, and R. Bøe, 2011, Stratigraphic development of the south Vøri
  23 KB (3,382 words) - 18:40, 10 January 2019
• Rock-water reaction
  | author = Dare Keelan, J. O. Amaefule ...d. <ref name=Amaefule_etal_1986>Amaefule, J. O., K. Wolfe, J. D. Walls, A. O. Ajufo, and E. Peterson, 1986, Laboratory determination of effective liquid
  17 KB (2,356 words) - 19:24, 19 January 2022
• Micropermeable seal leakage
  ...to overlying [[Cenozoic]] mudrocks.<ref name=ch11r35>Van den Bark, E., and O. D. Thomas, 1981, [http://archives.datapages.com/data/bulletns/1980-81/data
  5 KB (742 words) - 17:11, 1 February 2022
• Carbon dioxide (CO2) sequestration
  ...e capture and storage, prepared by Working Group III of the IPCC (B. Metz, O. Davidson, H. C. de Connick, M. Loos, and L. A. Meyer, eds): New York, Camb ...Mancuso, 2006, CO2 capture in low rank coal power plants, in N. A. Rokke, O. Bolland, and J. Gale, eds., Greenhouse gas control technologies: Proceedin
  11 KB (1,644 words) - 21:07, 26 March 2015
• Enhanced oil recovery
  :<math>M = (k_{\rm rw}/\mu_{\rm w})/(k_{\rm ro}/\mu_{\rm o})</math> ...ge in interfacial tension and/or mobility ratio.<ref name=pt10r28>Shah, D. O., and R. S. Schechter, 1971, Improved oil recovery by surfactant and polyme
  12 KB (1,794 words) - 21:19, 19 January 2022
• The Neuquén Basin: Sequence Stratigraphy of Vaca Muerta Formation
  ...ntain range of Saint John and to the east, in the extra-Andean region of Río Negro and west of The Pampas. During the Mesozoic, the basin was a back-arc ...hydrocarbon-producing basins in Argentina.<ref>Aguirre-Urreta, B., and E. O. Cristallini, 2009, La Cuenca Neuquina: Una perspectiva integrada: Revista
  16 KB (2,490 words) - 15:32, 8 January 2021
• Biogeography
  ...n]] reefs are asymmetrically distributed.<ref name=ch17r28>Copper, P., and O. Brunton, 1990, A global review of Silurian reefs: The Palaeontological Ass
  5 KB (668 words) - 18:11, 31 January 2022
• Archie equation
  * 4.0 for very strongly [http://www.glossary.oilfield.slb.com/en/Terms/o/oil_wet.aspx oil-wet] rocks * Estimated from wet zone R_o value
  5 KB (703 words) - 13:52, 5 April 2022
• Statistics overview
  ...tical hypothesis is given both as the ''null'' or assumed event, ''H''_o, and as the ''alternate'' event, ''H''_a. :<math>H_{\rm o} : \mu = \mu_{0}\quad H_{\rm a} : \mu \neq \mu_{0}</math>
  16 KB (2,483 words) - 19:28, 19 January 2022
• Sediment thickness and field location maps: Gulf of Mexico example
  ...ic source rocks. Modified from Gross et al.<ref name=Grossetal_1995>Gross, O. P., K. C. Hood, L. M. Wenger, and S. C. Harrison, 1995, Seismic imaging an
  5 KB (753 words) - 19:58, 18 February 2022
• Water resistivity determination
  ...ollows. The data that are required include ''R''_t (or ''R''_o) from deep-reading resistivity tools such as deep induction (ILd) or * Read ''R''_o (= ''R''_f) from the resistivity log, and determine the por
  13 KB (2,077 words) - 17:26, 18 January 2022
• Quantitative biostratigraphy
  ...ic and sedimentologic problems (see Mann & Lane<ref name=ch17r61>Mann, K., O., Lane, H., R., eds., 1995, Graphic Correlation: SEPM (Society for Sediment
  6 KB (785 words) - 20:58, 31 January 2022
• Displacement pressure estimation from sedimentary facies and well logs
  ...ely poor seals, with displacement pressures of 80–90 psia (air-mercury^o and capable of trapping only 90–100 ft of oil.
  5 KB (764 words) - 19:46, 31 March 2022
• Seal capacity of different rock types
  ...60.</ref> Wells and Amaefule<ref name=ch10r94>Wells, J., D., Amafuele, J., O., 1985, Capillary pressure and permeability relationships in tight gas sand
  5 KB (760 words) - 20:55, 31 March 2022
• Basin-centered gas systems: examples
  ...ure 4]], [[:file:BasinCenteredGasFig8.jpg|Figure 5]]), commonly 0.8% R_o.<ref name=Law_1984 /> ...RElease 2, 1 CD-ROM.</ref><ref name=Mccormacetal_1996>McCormac, M. P., G. O. Mychkovsky, S. T. Opritza, R. A. Riley, M. E. Wolfe, G. E. Larson, and M.
  25 KB (3,445 words) - 19:01, 14 March 2016
• Condensate banking effect
  ...out and velocity stripping.<ref name=Gringartenetal_2011>A.C. Gringarten , O. Ogunrewo, & G. Uxukbayev. (2011). Assessment of Rate-Dependent Skin Factor ...mobility ratios.<ref name=Houzeetal_2018>Houze, O., Viturat, D., & Fjaere, O. S. (2018). Dynamic Data Analysis. KAPPA.</ref>]]
  21 KB (3,040 words) - 15:22, 12 December 2022
• Basin-centered gas systems: evaluation and exploration strategies
  ...gh-volatile C (greater than [[vitrinite reflectance]] values of 0.6% R_o) to initiate thermal generation of gas.<ref name=Hunt_1996>Hunt, J. M ...c stages commensurate with thermal maturity levels greater than 0.6% R_o. Sandstones deposited in [[alluvial]] plain, coal-bearing environment
  34 KB (5,070 words) - 15:11, 23 August 2016
• Coal bed methane (UB)
  ...ri<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: Clean energy
  5 KB (839 words) - 17:19, 28 March 2019
• Rock-water reaction: formation damage
  | author = Dare Keelan, J. O. Amaefule ...curs, retained water saturation is increased.<ref name=pt05r6>Amaefule, J. O., Masuo, S. T., 1986, Use of [[capillary pressure]] data for rapid evaluati
  17 KB (2,380 words) - 18:23, 21 January 2022
• Production testing
  ...ce pressure) at stabilized producing conditions.<ref name=pt09r1>Allen, T. O., and A. P. Roberts, 1978, Production Operations, Volume 1: Tulsa, OK, Oil ...ub>j</sub> = ''q''_j+1 – ''q''_j (MSCF/day), ''q''_o=0
  14 KB (2,165 words) - 18:42, 20 January 2022
• Structural restoration
  ...ref>Vidal-Royo, O., T. E. Hearon IV, C. D. Connors, S. Bland, F. Schaefer, O. Ferrer, I. Mora, et al., 2015, Introduction to special section: Balancing, ...followed after at the beginning of the 21st century.‎<ref>Cristallini, E. O., L. Giambiagi, and R. W. Allmendinger, 2004, True three-dimensional trishe
  17 KB (2,335 words) - 17:14, 13 October 2022
• East Breaks overburden rock
  ...dentified source rock are reported by Gross et al.<ref name=ch04r40>Gross, O. P., K. C. Hood, L. M. Wenger, and S. C. Harrison, 1995, Seismic imaging an
  6 KB (929 words) - 19:41, 22 March 2022
• Karst topography
  ...ded into macro topography and micro topography. Von Engeln<ref>von Engeln, O. D., 1942, Geomorphology: Systematic and regional: New York, MacMillan, 655 :<math>\text{CaCO}_3 + \text{H}_2 \text{O} + \text{CO}_2 \to \text{Ca}^{2+} + \text{HCO}_3^{2-}</math>
  13 KB (2,016 words) - 19:56, 5 April 2019
• Reservoir engineering
  :<math>\text{C}_\text{t} = \text{S}_\text{o} \text{C}_\text{o} + \text{S}_\text{g} \text{C}_\text{g} + \text{S}_\text{w} \text{C}_\text{w
  14 KB (2,122 words) - 17:33, 7 March 2016
• Petroleum reservoir fluid properties
  ...ure water at the same standard conditions. Denoted mathematically as γ_o (where water = 1). ...measure of oil specific gravity, defined by γ_API = (141.5/γ_O) –131.5, with units in °API.
  19 KB (2,721 words) - 21:21, 19 January 2022
• Palynofacies and kerogen analysis
  ...geochemically by Tissot and Welte.<ref name=ch17r86>Tissot, B., P., Welte, O., N., 1984, Petroleum Formation and Occurrence: Berlin, Springer-Verlag, 23
  6 KB (805 words) - 18:09, 24 January 2022
• Permeability
  ...hin units with the same hydraulic properties.<ref name=pt05r8>Amaefule, J. O., Keelan, D. K., Kersey, D. G., Marschall, D. M., 1988, Reservoir descripti A technique based on pulse decay analysis<ref name=pt05r6>Amaefule, J. O., Masuo, S. T., 1986, Use of capillary pressure data for rapid evaluation o
  19 KB (2,716 words) - 19:02, 20 January 2022
• Biofacies and changing sea level
  ...assemblages]] from different environments.<ref name=ch04r119>Woodbury, H. O., I. B. Murray, P. J. Pickford, and W. H. Akers, 1973, [http://archives.dat
  7 KB (984 words) - 15:13, 4 January 2024
• Synthetic seismogram
  # Calculate reflection coefficients, R_o .
  8 KB (1,199 words) - 13:57, 24 January 2022
• Drill stem testing
  :<math>\mbox{WBSC}_{\rm meas} = \frac{Q_{\rm last}B_{\rm o}\Delta t}{1440\Delta P}</math> | ''B''_o
  26 KB (4,009 words) - 15:09, 24 January 2022

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