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• Depositional trap regime
  ...nal sandstone pinch-outs''; Regional updip pinch-outs of sandstone into an impermeable facies such as shale or [[anhydrite]]. ...'Local sandstone pinch-outs''; Local updip pinch-outs of sandstone into an impermeable facies such as shale or anhydrite.
  10 KB (1,231 words) - 20:28, 4 January 2024
• East Breaks seal rock
  ...migration pathway]]s. Porous and permeable beds bounded above and below by impermeable rocks can provide highly effective hydrocarbon carrier beds.
  5 KB (662 words) - 14:48, 19 December 2023
• Pressure prediction: analysis of cuttings
  ...induration of the rock. This applies to cuttings from permeable as well as impermeable rocks. ...ce continually as the cutting rises in the mud column. If the cuttings are impermeable, however, equilibration is impeded—very strongly, in the case of shale.
  5 KB (818 words) - 17:56, 17 February 2022
• Abnormal hydrostatic pressure
  ...d from the surrounding system by [[Wikipedia:Permeability (earth sciences)|impermeable]] barriers for abnormal pressure to exist.
  3 KB (426 words) - 14:51, 16 February 2022
• Underpressure causes
  As long as a rock unit remains encapsulated by [[impermeable]] rocks, it becomes underpressured by burial when faulting or downwarping
  3 KB (390 words) - 16:23, 16 February 2022
• How fault zones affect seal
  Shale-rich [[gouge zone]]s can create impermeable barriers. The following, a normal fault in [[Jurassic]] and [[Triassic]] se
  4 KB (509 words) - 16:52, 29 March 2022
• Diagenetic trap regime
  ...ypes typically have relatively porous units in the sealing facies that are impermeable to oil [[migration]] due to [[Capillary pressure|capillary restraints]] but
  5 KB (645 words) - 16:14, 13 April 2022
• Geothermal energy
  ...type, the ''hot-dry-rock system'' (HDR), is designed to recover heat from impermeable hot dry rocks at depths of 1500–2000 m (5000–6500 ft) by drilling two c ...al thin areas or hot spots. They need an igneous source, an aquifer, and a impermeable layer to keep up pressure. In many cases, there is surface evidence such as
  13 KB (1,918 words) - 18:12, 2 April 2019
• Mapping unconformities
  ...ls are located. The trap is found where the porous Cutbank Sandstone abuts impermeable Jurassic shales. Where the Cutbank Sandstone abuts the permeable Swift Sand
  7 KB (977 words) - 20:39, 4 February 2022
• Seismic inversion
  ...facies. The reservoirs are sandstones with porosities of 15% surrounded by impermeable siltstone.
  8 KB (1,196 words) - 18:48, 21 January 2022
• Depositional sequence analysis of plays
  ...over traps common. Strat traps depend on undip seal. If underlying unit is impermeable, they are present where onlapping sands pinch out below preceding shoreline
  8 KB (1,184 words) - 20:44, 4 February 2022
• Geologic mapping (UB)
  ...ground water in certain location and whether the formation is permeable or impermeable.<ref>Noor, Djauhari. 2009. Pengantar Geologi Dasar. Bogor: Universitas Paku
  10 KB (1,547 words) - 14:07, 19 March 2019
• Drive mechanisms and recovery
  ...ved) gas drive reservoir, the oil-bearing rock is completely surrounded by impermeable barriers. As the reservoir pressure drops during production, expansion of t
  16 KB (2,374 words) - 20:46, 19 January 2022
• Fault seal analysis for reservoir development
  ...9 />. (A) Fault displacement can provide a cross-fault seal by juxtaposing impermeable units against potential reservoir units. (B) In three dimensions, the inter
  14 KB (2,146 words) - 19:35, 13 September 2022
• Karst topography
  ...erokarst. The transitional type is usually formed in limestone isolated by impermeable and less soluble sediments.
  13 KB (2,016 words) - 19:56, 5 April 2019
• Reservoir engineering
  Reservoir bounded by impermeable layers and [[fluid contacts]]. Field boundaries is ensured through the well
  14 KB (2,122 words) - 17:33, 7 March 2016
• Petroleum exploration
  ...rock needs a trap or seal, so when the fluid migrate it will encounter an impermeable rock. If the fluids continue to migrate when there is no trap or seal, it w
  15 KB (2,331 words) - 19:12, 17 April 2019
• Pressure detection
  ...in turn results in an increase in pressure if the sediment is sealed by an impermeable layer.<ref name=pt03r7>Barker, C., 1972, [http://archives.datapages.com/dat
  16 KB (2,450 words) - 21:42, 20 January 2022
• Reservoir modeling for simulation purposes
  ...ls is controlled by facies distribution, major permeability contrasts, and impermeable layers.<ref name=pt10r35>Weber, K. J., Van Geuns, L. C., 1990, Framework fo
  17 KB (2,234 words) - 21:21, 19 January 2022
• Subsurface diagenesis and its relation with diagenetic trap on carbonate rocks reservoir
  ...ater, trapping oil (sealing oil) between reservoir and reservoir formation impermeable here in after the movement of fluid. When cementation occurs extensively co
  16 KB (2,395 words) - 21:18, 9 January 2024

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