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• Bioturbation
  ...or reworking of sediment by living organisms. It may enhance or decrease porosity and permeability. For instance, burrows filled with sand grains in a mud or
  907 bytes (132 words) - 21:42, 18 September 2014
• Sequences during low-amplitude, high-frequency cycles
  **Dolomitized intertidal laminites (intercrystalline [[porosity]]) **Siliciclastic supratidal caps (intergranular porosity)
  5 KB (708 words) - 21:00, 6 April 2022
• Pressure compartments
  * [[Porosity]] loss due to compaction is less in overpressured and more in underpressure ...educes the supply of free ions associated with cementation and secondary [[porosity]] formation.
  6 KB (828 words) - 17:57, 17 February 2022
• Types of diagenetic traps
  * Primary [[porosity]] preserved due to selective [[Reservoir quality#Cementation|cementation]] * [[Secondary porosity]] created by cement and/or matrix dissolution
  2 KB (294 words) - 21:01, 4 February 2022
• Sandstone
  ...orosity and increase the bed thinning. Deep burial cause decrease the sand porosity dramatically. [[File:Sandstone_Fig-3.png|thumb|300px|Fig. 3. Porosity and Compaction (Derived form Nichols)<ref name=Nichols />]]
  10 KB (1,508 words) - 15:44, 22 March 2019
• Sandstone permeability prediction from texture
  ...-60.png|300px|thumb|{{figure number|1}}Grain size affects permeability and porosity.<ref name=ch09r11>Coalson, E. B., Hartmann, D. J., and Thomas, J. B., 1990, ...nce_fig9-60.png|Figure 1]] shows how grain size affects permeability and [[porosity]].
  9 KB (1,118 words) - 17:03, 6 April 2022
• Cased hole tools
  ...ty and water salinity are known. The porosity devices are used to estimate porosity when lithology is known. Table 1 lists the types of devices used for these | rowspan = 2 | [[Porosity]] || [[Basic open hole tools#Compensated neutron|Compensated neutron]]
  10 KB (1,427 words) - 16:26, 18 January 2022
• Core-to-log transformations and porosity-permeability relationships
  | chapter = Core-log transformations and porosity-permeability relationships ...lity-relationships_fig1.png|{{figure number|1}}Plot showing unshifted core porosity in spiked format, together with bulk density log.
  14 KB (1,893 words) - 20:15, 2 February 2016
• Log interpretation: initial quick scan
  Determining the [[porosity]] and [[True resistivity determination|true resistivity]] of a zone is the ...ich to measure changes. In this case, the [[Basic_open_hole_tools#Porosity|porosity log]] is the primary reconnaissance measurement. By first finding the porou
  4 KB (543 words) - 14:11, 21 August 2014
• Decompaction
  ...ts be corrected to their original thickness before burial using a specific porosity-depth function for each [[lithologic]] unit. This involves sequential [[bac
  1,008 bytes (139 words) - 19:54, 25 June 2015
• User:Febriany/Sandbox
  ...can accumulate hydrocarbons (oil or gas). Reservoir rock must be has good porosity and permeability to accumulate and drain oil in economical quantities. ==Reservoir Porosity==
  12 KB (1,741 words) - 23:03, 30 June 2015
• Geostatic and lithostatic pressure
  * [[Porosity|Porosities]] of different lithologies * φ = weighted average of rock [[porosity]]
  3 KB (402 words) - 14:47, 16 February 2022
• User:Rizqi Fadlilah/Sandbox
  ...can accumulate hydrocarbons (oil or gas). Reservoir rock must be has good porosity and permeability to accumulate and drain oil in economical quantities. ==Reservoir Porosity==
  12 KB (1,822 words) - 02:27, 1 July 2015
• Fracture traps
  ...ture traps may not. Some might argue that [[fracture]]s are just another [[porosity]] type and should be thought of as part of the [[reservoir]], not as a trap ...rvoir'''—Reservoir in which most of the [[permeability]] and some of the [[porosity]] is provided by open fractures.
  3 KB (461 words) - 16:04, 13 April 2022
• Intact membrane seal leakage
  ...pressure) is less than the capillary displacement pressure of the matrix [[porosity]] of the seal. Under these conditions, the relative [[permeability]] of the ...occurs, oil can leak through the [[fracture]]s without invading the matrix porosity.
  3 KB (475 words) - 17:08, 1 February 2022
• Diagenesis: information from petrology
  | Primary [[porosity]] preservation || Indicates facies patterns may control hydrocarbon distrib ...rap location; mineralogy and/or facies may control location of dissolution porosity || Use [[sequence stratigraphy]], hydrologic, or thermal maturity models.<r
  4 KB (544 words) - 21:38, 4 February 2022
• Subsurface diagenesis and its relation with diagenetic trap on carbonate rocks reservoir
  ==Relation between subsurface diagenesis with porosity changing== ===Increase of porosity===
  16 KB (2,395 words) - 21:18, 9 January 2024
• Formation evaluation of naturally fractured reservoirs
  ...because other features such as a rough borehole, shales, and changes in [[porosity]], lithology, and tool centralization might produce amplitude drops that ha When the tool is run through an unfractured section of reasonably constant porosity, lithology, borehole rugosity, and tool centralization , the shades of dark
  9 KB (1,380 words) - 17:25, 18 January 2022
• Rate of penetration
  ===Relative porosity=== ...tively slow ROP in rocks having low matrix porosity to rocks having higher porosity and faster ROP. This comparison requires that the prevailing drilling condi
  7 KB (1,049 words) - 19:02, 20 January 2022
• Pressure prediction: analysis of well-log and seismic data
  ...variable within shale sections. Because porosity is related to compaction, porosity measurements from well logs can be calibrated to fluid pressure in the pore ...major remaining variable that affects [[rate of penetration]] in shale is porosity.
  5 KB (733 words) - 17:57, 17 February 2022

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