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  • Displacement pressure
    ...rcury has filled any surface irregularities on the sample) is termed the ''displacement pressure'' (''P''<sub>d</sub>).<ref>Vavra, C.L., J. G. Kaldi, and R. M. Sne
    557 bytes (82 words) - 14:13, 24 July 2014
  • Estimating displacement pressure
    #REDIRECT [[Displacement pressure estimation]]
    46 bytes (4 words) - 20:24, 19 December 2014
  • Displacement pressure estimation
    In practice, the [[Top seal displacement pressure|displacement pressure]] (P<sub>d</sub>) is estimated from laboratory measurements. In re The following table lists techniques commonly used to estimate the displacement pressure of a top seal.
    2 KB (258 words) - 18:41, 31 March 2022
  • Top seal displacement pressure
    ...igration and entrapment]: AAPG Bulletin, vol. 63, no. 5, p. 723–760.</ref> Displacement pressure, which is measured in dynes/cm<sup>2</sup>, can be calculated by t The displacement pressure of a seal depends on both the physical character of the seal (pore
    4 KB (530 words) - 15:56, 31 March 2022
  • Displacement pressure: theory vs. reality
    ...column of trapped hydrocarbon compared with the prediction from measured [[displacement pressure]]s. Empirical studies are needed because simple, idealized laborat ...ch: AAPG Hedberg Research conference, unpublished abstract.</ref> Measured displacement pressures predict the top seal is capable of trapping 29–34 m (94–110 f
    4 KB (587 words) - 13:36, 1 April 2022
  • Estimating displacement pressure from pore size
    #REDIRECT [[Displacement pressure estimation from pore size]]
    61 bytes (7 words) - 20:25, 19 December 2014
  • Measuring displacement pressure using mercury injection
    The [[displacement pressure]] (P<sub>d</sub>) is routinely inferred by forcing mercury into th ==Values of displacement pressure>==
    5 KB (749 words) - 19:46, 31 March 2022
  • Displacement pressure estimation from pore size
    [[Displacement pressure]] can be estimated from pore size using Washburn's<ref name=ch10r9 ...990, Quantitative determination of pore structure and application to fluid displacement in reservoir rocks, in J. Kleppe, E. W. Berg, A. T. Buller, O. Hjemeland, a
    5 KB (766 words) - 22:55, 2 February 2016
  • Displacement pressure: does the theory predict reality?
    #REDIRECT [[Displacement pressure: theory vs. reality]]
    55 bytes (6 words) - 17:05, 19 December 2014
  • Estimating displacement pressure from sedimentary facies and well logs
    #REDIRECT [[Displacement pressure estimation from sedimentary facies and well logs]]
    84 bytes (10 words) - 20:25, 19 December 2014
  • Displacement pressure estimation from sedimentary facies and well logs
    [[Displacement pressure]] has been inferred from the relationship between capillary proper ...1000–10,000 ft of oil. Delta-plain shales are relatively poor seals, with displacement pressures of 80–90 psia (air-mercury<sup>o</sup> and capable of trapping
    5 KB (764 words) - 19:46, 31 March 2022

Page text matches

  • How capillary properties control seal
    ...hen the buoyant pressure exerted by the [[hydrocarbon column]] exceeds the displacement pressure of the seal, the seal leaks. For example, a shale top seal that co * [[Top seal displacement pressure]]
    2 KB (266 words) - 15:45, 31 March 2022
  • Estimating displacement pressure
    #REDIRECT [[Displacement pressure estimation]]
    46 bytes (4 words) - 20:24, 19 December 2014
  • Measuring Pd using mercury injection
    #REDIRECT [[Measuring displacement pressure using mercury injection]]
    69 bytes (7 words) - 20:53, 21 April 2014
  • Displacement pressure: does the theory predict reality?
    #REDIRECT [[Displacement pressure: theory vs. reality]]
    55 bytes (6 words) - 17:05, 19 December 2014
  • Estimating Pd from pore size
    #REDIRECT [[Estimating displacement pressure from pore size]]
    61 bytes (7 words) - 20:55, 21 April 2014
  • Estimating displacement pressure from pore size
    #REDIRECT [[Displacement pressure estimation from pore size]]
    61 bytes (7 words) - 20:25, 19 December 2014
  • Does the theory predict reality?
    #REDIRECT [[Displacement pressure: theory vs. reality]]
    55 bytes (6 words) - 22:05, 14 January 2015
  • Estimating displacement pressure from sedimentary facies and well logs
    #REDIRECT [[Displacement pressure estimation from sedimentary facies and well logs]]
    84 bytes (10 words) - 20:25, 19 December 2014
  • Estimating Pd from sedimentary facies and well logs
    #REDIRECT [[Displacement pressure estimation from sedimentary facies and well logs]]
    84 bytes (10 words) - 17:03, 15 January 2015
  • Displacement pressure estimation
    In practice, the [[Top seal displacement pressure|displacement pressure]] (P<sub>d</sub>) is estimated from laboratory measurements. In re The following table lists techniques commonly used to estimate the displacement pressure of a top seal.
    2 KB (258 words) - 18:41, 31 March 2022
  • Seal capacity: pitfalls and limitations of estimation
    * It is not easy to characterize the [[Top seal displacement pressure|displacement pressure]] of a top seal from a few, or many, measurements. ...arbon saturations required for flow]] through top seals—and, consequently, displacement pressures—may be much higher than commonly assumed.
    2 KB (325 words) - 20:57, 31 March 2022
  • Intact membrane seal leakage
    ...the height of an underlying petroleum column) exceeds the seal capillary [[displacement pressure]]. This type of seal does not [[fracture]] during [[deformation]]. ==Ductility and capillary displacement pressure==
    3 KB (475 words) - 17:08, 1 February 2022
  • Saturations required for hydrocarbon flow
    ...nt]: AAPG Bulletin, vol. 63, no. 5, p. 723–760.</ref> This is one reason [[displacement pressure]] is defined at 10% saturation. ...327–347.</ref> The current assumption that seal capacity is based upon the displacement pressure at only 10% saturation could be very misleading. The value could b
    2 KB (313 words) - 13:57, 1 April 2022
  • Hydrocarbon column: calculation of maximum height
    ...l]] occurs when the [[buoyancy pressure]], ''P''<sub>b</sub>, equals the [[displacement pressure]], ''P''<sub>d</sub>. If ''P''<sub>b</sub> exceeds ''P''<sub>d</su ...t] would coincide with the [[free water level]]. If the reservoir has some displacement pressure greater than zero, then the height of the hydrocarbon column is le
    3 KB (488 words) - 16:13, 31 March 2022
  • Trap leakage
    ...petroleum column) exceeds [[Top seal displacement pressure|seal capillary displacement pressure]]. This seal type does not [[fracture]] during [[deformation]]. | Capillary pressure exceeds [[displacement pressure]] of fracture [[porosity]] in the seal.
    3 KB (445 words) - 16:58, 1 February 2022
  • Seal capacity of breached and hydrocarbon-wet seals
    ...mn will shrink until the [[Buoyancy pressure|buoyant pressure]] equals the displacement pressure and the system again seals. In practice, however, hydrocarbons con ...leaked hydrocarbons until the buoyant pressure (P<sub>b</sub>) is half the displacement pressure (P<sub>d</sub>). Continued charging of traps after initial fill co
    5 KB (693 words) - 14:23, 1 April 2022
  • Displacement pressure
    ...rcury has filled any surface irregularities on the sample) is termed the ''displacement pressure'' (''P''<sub>d</sub>).<ref>Vavra, C.L., J. G. Kaldi, and R. M. Sne
    557 bytes (82 words) - 14:13, 24 July 2014
  • Displacement pressure estimation from sedimentary facies and well logs
    [[Displacement pressure]] has been inferred from the relationship between capillary proper ...1000–10,000 ft of oil. Delta-plain shales are relatively poor seals, with displacement pressures of 80–90 psia (air-mercury<sup>o</sup> and capable of trapping
    5 KB (764 words) - 19:46, 31 March 2022
  • Displacement pressure: theory vs. reality
    ...column of trapped hydrocarbon compared with the prediction from measured [[displacement pressure]]s. Empirical studies are needed because simple, idealized laborat ...ch: AAPG Hedberg Research conference, unpublished abstract.</ref> Measured displacement pressures predict the top seal is capable of trapping 29–34 m (94–110 f
    4 KB (587 words) - 13:36, 1 April 2022
  • Seal capacity and two-phase hydrocarbon columns
    ...0008-0</ref> The gas in contact with the base of the seal determines the [[displacement pressure]] (P<sub>d)</sub> of the seal. The [[Buoyancy forces in reservoir
    3 KB (445 words) - 20:56, 31 March 2022
  • Measuring displacement pressure using mercury injection
    The [[displacement pressure]] (P<sub>d</sub>) is routinely inferred by forcing mercury into th ==Values of displacement pressure>==
    5 KB (749 words) - 19:46, 31 March 2022
  • Fracture traps
    ...structural system because fractures are a result of [[deformation]] and/or displacement and therefore are structural in nature. ...ly contiguous rocks have broken and separated and along which the relative displacement of originally adjacent points across the fracture is small compared with fr
    3 KB (461 words) - 16:04, 13 April 2022
  • Fracture
    ...ly contiguous rocks have broken and separated and along which the relative displacement of originally adjacent points across the fracture is small compared with fr
    951 bytes (136 words) - 20:39, 10 February 2015
  • Seal capacity of different rock types
    ...apacities of different rock types. This figure was compiled from published displacement pressures based upon mercury capillary curves. Column heights were calculat ...in, 1993). Shales in the Cretaceous section of the Powder River basin have displacement pressures of 1000–4000 psi and can trap gas columns of 460–1830 m (1500
    5 KB (760 words) - 20:55, 31 March 2022
  • Fault seal breakdown during production
    ...[[hydrocarbon column]], the buoyant pressure will ultimately exceed the [[displacement pressure]] of the fault zone and the fault will [[Cross-leaking faults|cros ...anical rupturing but simply by the relative change in buoyant pressure vs. displacement pressure.
    4 KB (530 words) - 15:21, 30 March 2022
  • Top seal displacement pressure
    ...igration and entrapment]: AAPG Bulletin, vol. 63, no. 5, p. 723–760.</ref> Displacement pressure, which is measured in dynes/cm<sup>2</sup>, can be calculated by t The displacement pressure of a seal depends on both the physical character of the seal (pore
    4 KB (530 words) - 15:56, 31 March 2022
  • Pressure prediction: reconstructing burial history
    ...tude of measurement. A pressure-depth plot, using the estimate of vertical displacement and [[Normal hydrostatic pressure gradients|normal fluid gradients]], helps
    3 KB (408 words) - 17:56, 17 February 2022
  • Fault-dependent leak points, continuity, and charge
    ...on hydrocarbon column heights is not the [[top seal displacement pressure|displacement pressure of top seals]] but fault-dependent leak points, the [[lateral]] co A comparison of top seal capacity determined from [[displacement pressure]]s and actual [[hydrocarbon column]] heights in one African basin
    4 KB (556 words) - 20:56, 31 March 2022
  • Fractured membrane seal leakage
    ...ght of an underlying [[Hydrocarbon column|petroleum column]] exceeds the [[displacement pressure]] of the fracture [[porosity]] in the seal. Many rock types with high capillary [[displacement pressure]]s rarely seal petroleum [[accumulation]]s. These rocks are often
    3 KB (478 words) - 17:09, 1 February 2022
  • Displacement pressure estimation from pore size
    [[Displacement pressure]] can be estimated from pore size using Washburn's<ref name=ch10r9 ...990, Quantitative determination of pore structure and application to fluid displacement in reservoir rocks, in J. Kleppe, E. W. Berg, A. T. Buller, O. Hjemeland, a
    5 KB (766 words) - 22:55, 2 February 2016
  • Wettability
    * Observations of displacement or surface phenomena associated with the water or oil phase ===Displacement techniques===
    12 KB (1,706 words) - 15:11, 24 January 2022
  • Waterflooding
    ...) the economic production limit has been reached. This is done through the displacement of oil and free gas by water. In waterflooding, water is injected into one The overall recovery (''E''<sub>R</sub>) is a product of displacement efficiency (''E''<sub>D</sub>), invasion or vertical sweep efficiency (''E'
    10 KB (1,468 words) - 18:23, 21 January 2022
  • Buoyancy forces in reservoir fluids
    ...laries, shale for instance, has a very high [[displacement pressure]]. The displacement pressure for a [http://www.oxforddictionaries.com/us/definition/american_en
    8 KB (1,182 words) - 20:27, 3 March 2016
  • Micropermeable seal leakage
    ...ater-wet seals have petroleum column heights that may exceed the capillary displacement pressure of matrix [[porosity]]. The effective [[permeability]] to petroleu
    5 KB (742 words) - 17:11, 1 February 2022
  • Depth and thickness conversion
    ...raight; even nominally vertical holes commonly show substantial horizontal displacement even if the deviation is too small to produce a large change in true vertic * NSD = north-south displacement
    17 KB (2,363 words) - 16:49, 20 January 2022
  • Enhanced oil recovery
    ...iciency (''E''<sub>D</sub>), and sweep efficiency (''E''<sub>S</sub>). The displacement efficiency is inversely proportional to the residual oil saturation, while ...ooding. The viscosity of oil is reduced, providing more efficient miscible displacement. © U.S. Department of Energy, Bartlesville, Oklahoma.]]
    12 KB (1,794 words) - 21:19, 19 January 2022
  • Intact top seal
    * [[Estimating displacement pressure]]
    3 KB (357 words) - 15:08, 31 March 2022
  • Fault seal analysis for reservoir development
    ...igure number|4}}Allan Mapping Principles<ref name=Allan_1989 />. (A) Fault displacement can provide a cross-fault seal by juxtaposing impermeable units against pot ...ram<ref name=Knipe_1997 />. (A) Simple normal fault with increasing linear displacement from left to right. (B) Generic juxtaposition diagram with the order of the
    14 KB (2,146 words) - 19:35, 13 September 2022
  • Artificial lift
    ...ing a rod string that activates a positive displacement pump. The positive displacement pump is seated in the tubing string and set below the operating fluid level
    7 KB (1,094 words) - 20:47, 19 January 2022
  • Trap systems: structural, stratigraphic, and fluidic
    ...ost]]- or [[Syndepositional structure|syndepositional]] [[deformation]] or displacement of [[reservoir]] and/or [[seal]]ing units
    3 KB (405 words) - 17:44, 12 April 2022
  • Limitations of quantitative fault seal analysis
    ...ffects]], localized fracturing, sharp changes in the [[permeability]] or [[displacement pressure]] of sands, reactivation of earlier normal faults in [[compression
    3 KB (398 words) - 17:35, 29 March 2022
  • Wellsite math
    ...t volume; the volume displaced by the steel volume of drillpipe or collar. Displacement is the volume between the outside diameter and inside diameter of a drillpi ...acy. Using the data from the previous example, we obtain the following the displacement calculation:
    21 KB (3,142 words) - 15:10, 24 January 2022
  • Shale gouge ratio
    ...l diversity at the fault surface; the required information is simply fault displacement and shale fraction through the sequence.
    3 KB (473 words) - 20:04, 11 March 2015
  • Interpreting hydrocarbon shows
    ...esult of water washing, thermal [[cracking]], or [[biodegradation]]. Water displacement residual hydrocarbons form in reservoirs as a result of a leaky or breached
    8 KB (1,130 words) - 17:09, 5 April 2022
  • Seal thickness
    ...minate within the seal, and having at least one shale lamina with a high [[displacement pressure]].
    3 KB (464 words) - 20:56, 31 March 2022
  • Postaccumulation cementation
    ...ht gas reservoirs: evaluation|tight sands]] or carbonates, the capillary [[displacement pressure]] in the reservoir rock may approach that of moderate-quality seal
    3 KB (430 words) - 15:35, 1 February 2022
  • Capillary pressure
    ...ient to force hydrocarbons into the seal ([[top seal displacement pressure|displacement pressure]] is exceeded), allowing the seal to leak. ...ury has filled any surface irregularities on the sample) is termed the ''[[displacement pressure]]'' (''P''<sub>d</sub>). The percentage of pore volume saturated b
    23 KB (3,315 words) - 16:59, 19 January 2022
  • Making regional structural cross sections
    ...llow [[growth fault]]s as a result of sediment downbuilding and consequent displacement of salt. Mature [[source rock]]s occurring between the deeply rooted diapir ..., 10., 1306/819A4352-16C5-11D7-8645000102C1865D</ref> Each “pulse” of salt displacement evolves through a new generation of deformation.<ref name=ch04r32>Fiduk, J.
    7 KB (970 words) - 20:33, 18 February 2022
  • Fluid contacts
    ...sure (zero capillary pressure). The oil-water contact corresponds to the [[displacement pressure]] (DP) on the capillary pressure curve. The transition zone is the ...surface (''f''<sub>w</sub>) is the same for all facies, but the different displacement pressure results in different oil-water contact elevations (thick arrows).
    19 KB (2,690 words) - 21:20, 19 January 2022
  • Taphonomy and provenance
    ...ells, particularly of megafossils (as opposed to microfossils), reflecting displacement from the original habitat
    3 KB (449 words) - 18:12, 31 January 2022

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