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• Displacement pressure estimation from pore size
  throats and permeability: a petrographic/physical analysis of some carbonate grainstones and packsto ...letns/1992-93/data/pg/0076/0002/0000/0191.htm Relationship of porosity and permeability to various parameters derived from mercury injection-capillary pressure cur
  5 KB (766 words) - 22:55, 2 February 2016
• Midale porosity, pore geometries, and petrophysics
  ....png|300px|thumb|{{figure number|1}}Crossplot of routine core porosity and permeability from the Midale in an example well at Weyburn field. Copyright: Coalson et ...data points 3, 4, 6, and 8) are characterized by lower porosity but higher permeability.
  5 KB (659 words) - 16:54, 12 April 2022
• Micropermeable seal leakage
  ...he capillary displacement pressure of matrix [[porosity]]. The effective [[permeability]] to petroleum is no longer zero, but it may be small. Finally, where [[fra ...m column decreases with time since charging. [[Permeability]] and relative permeability of fine-grained rocks are difficult to analyze; however, accumulations appa
  5 KB (742 words) - 17:11, 1 February 2022
• Core-to-log transformations and porosity-permeability relationships
  | chapter = Core-log transformations and porosity-permeability relationships file:core-log-transformations-and-porosity-permeability-relationships_fig1.png|{{figure number|1}}Plot showing unshifted core poros
  14 KB (1,893 words) - 20:15, 2 February 2016
• Coal bed methane (UDip)
  ==The porosity and permeability of coal== ===Permeability===
  10 KB (1,576 words) - 14:42, 2 April 2019
• Measuring displacement pressure using mercury injection
  ...=ch10r42>Katz, A. J., and A. H. Thompson, 1986, Quantitative prediction of permeability in porous rock: Physical Review Bulletin, vol. 34, p. 8179–8181., 10., 11 ==Cores, cuttings, and low-permeability rocks==
  5 KB (749 words) - 19:46, 31 March 2022
• Tight gas reservoirs: evaluation
  ...s reservoirs would not be economical (see [[Stimulation]]). Thus, most low permeability gas reservoirs are considered “unconventional.” ...large part on advancements made in the proper geological evaluation of low permeability reservoirs.
  11 KB (1,444 words) - 21:26, 4 January 2024
• Carbonate porosity formation and preservation
  ...ir quality of a carbonate. A rock that begins with good [[porosity]] and [[permeability]], either from depositional or early diagenetic processes, has a better cha ...and dolomitized [[mudstone]], carbonate rocks generally lose porosity and permeability as a result of diagenesis.
  5 KB (708 words) - 17:27, 5 December 2023
• Rock quality
  ...lletns/1992-93/data/pg/0076/0002/0000/0191.htm Relationship of porosity to permeability to various parameters derived from mercury injection–capillary pressure c ...1 is higher quality because it has three times more porosity and the same permeability as flow unit 2. However, in terms of fluid flow efficiency and storage, as
  10 KB (1,534 words) - 16:53, 4 April 2022
• Morrow lithofacies and pore types: Sorrento field
  ==Reservoir porosity and permeability== Morrow sandstones in Sorrento field have a wide range in porosity and [[permeability]]. Maximum observed porosity (Φ) is 20-22%, but more typical values are 10
  6 KB (769 words) - 17:23, 11 April 2022
• Strain analysis of top seals
  ...ly 0.05 md, is more than 100 billion bbl/m.y.<ref name=ch10r71 /> Fracture permeability can be as high as tens of darcys<ref name=ch10r80>Stearns, D., W., Friedman
  3 KB (403 words) - 15:21, 30 March 2022
• Factors that oppose hydrocarbon migration
  ==Permeability== ...]] of each phase below what it would be if it were the only phase present. Permeability measurements are dominantly taken in sands for reservoir engineering purpos
  8 KB (1,133 words) - 15:16, 14 February 2022
• Fracture traps
  '''Fracture Reservoir'''—Reservoir in which most of the [[permeability]] and some of the [[porosity]] is provided by open fractures. ...ge from open, permeable fractures to cement-filled or narrow-aperture, low-permeability fractures.
  3 KB (461 words) - 16:04, 13 April 2022
• Diagenetic trap regime
  ...ed leaching of nonreservoir-quality rock to create enhanced porosity and [[permeability]]. Common beneath [[unconformity]] surfaces. ...seals: Trap boundaries created by plugging original reservoir porosity and permeability by diagenetic cements or minerals. || colspan = 2 | Secondary [[anhydrite]]
  5 KB (645 words) - 16:14, 13 April 2022
• Fracture trap regime
  ...ge from open, permeable fractures to cement-filled or narrow-aperture, low-permeability fractures. || rowspan = 4 | ''Extension fracture trap''; Dominant reservoir ...meability fracture swarms to areas of lower fracture frequency or fracture permeability often provides local lateral trap boundaries within the regional system. Th
  7 KB (895 words) - 16:04, 13 April 2022
• Natural gas occurrence
  ...s: Conventional natural-gas accumulations are those in reservoirs with a [[permeability]] high enough to allow gas to flow at rates that make its production profit ...ited States are gas in [[coal]] beds (the [[coalbed methane]]), gas in low-permeability sandstones ([[Tight gas reservoirs: evaluation|tight sands]]), [[basin-cent
  4 KB (556 words) - 22:10, 7 January 2015
• Permeability
  | chapter = Permeability ...fluid, commonly water. If a single fluid moves through rock, its relative permeability is 1.0. Two or more fluids generally inhigit flow through rock compared wit
  19 KB (2,716 words) - 19:02, 20 January 2022
• Sandstone
  ==Porosity and Permeability== ...the quality of porosity and permeability. Diagenesis affects porosity and permeability through compaction and cementation. Compaction makes the arrangement of gra
  10 KB (1,508 words) - 15:44, 22 March 2019
• Migration pathway
  ...e contact with the overlying seal and the continuity of both the carrier [[permeability]] network and the overlying seal. ...ormation about stratigraphic variability, distribution of fractures, and [[permeability]] of faults than is generally available to geologists.
  6 KB (889 words) - 16:50, 29 March 2022
• Overview of routine core analysis
  ...amples can provide useful details of the lithology, petrology, porosity, [[permeability]], and hydrocarbon content of the formation.<ref name=pt05r155>Toney, J. B. ...re mandatory in heterogeneous formations in which most of the porosity and permeability are due to [[fracture]]s, solution vugs, or erratically developed pore syst
  14 KB (2,121 words) - 21:16, 19 January 2022

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