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There is a page named "Porosity" on this wiki. See also the other search results found.
- ==Relation between subsurface diagenesis with porosity changing== ===Increase of porosity===16 KB (2,395 words) - 21:18, 9 January 2024
- ...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 dark9 KB (1,380 words) - 17:25, 18 January 2022
- ===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 condi7 KB (1,049 words) - 19:02, 20 January 2022
- ...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
- ...PA</ref> require laboratory analysis of large diameter cores to evaluate [[porosity]], hydrocarbon saturation, and net pay. (For more on continuous coring, see ...res. These samples can provide useful details of the lithology, petrology, porosity, [[permeability]], and hydrocarbon content of the formation.<ref name=pt05r14 KB (2,121 words) - 21:16, 19 January 2022
- ...rements of the formation (electric logs such as gamma ray, resistivity, or porosity), drilling parameters (e.g., downhole torque, weight on bit, temperature, o2 KB (206 words) - 21:17, 3 December 2015
- ...undings. The borehole gravity meter has broad application, from locating [[porosity]] in wildcats or through [[casing]] in old wells to monitoring fluid change1 KB (187 words) - 17:53, 25 January 2022
- ...[porosity]] of 30%, and flow unit 2 has a porosity of 10%. The variance in porosity becomes the indicator of the contrast in pore throat size when converted to5 KB (694 words) - 20:41, 4 April 2022
- ===Porosity and permeability=== ...pearmebility is the capacity of pore material to let fluida flow.When the porosity increase, the pearmeability will also increase, and the production result w11 KB (1,551 words) - 16:49, 11 January 2016
- ...petroleum column]] exceeds the [[displacement pressure]] of the fracture [[porosity]] in the seal. ...cks, so it is easier for petroleum to invade the fractures than the matrix porosity. In fact, many fractured rocks with open fractures have apertures so wide t3 KB (478 words) - 17:09, 1 February 2022
- A Buckles plot is a plot of water saturation (S<sub>w</sub>) vs. [[porosity]]. Contours of equal bulk volume water (BVW) are drawn on the plot.1 KB (183 words) - 18:19, 26 March 2015
- * [[Predicting carbonate porosity and permeability]] * [[Basics of carbonate porosity formation and preservation]]3 KB (433 words) - 18:32, 6 April 2022
- ...between different disciplines. Explorationists apply the term to mean a [[Porosity|porous]] and [[Permeability|permeable]] rock regardless of the fluid it con * A '''reservoir''' is a [[Porosity|porous]] and [[Permeability|permeable]] rock saturated with oil or gas in [4 KB (579 words) - 14:34, 1 April 2022
- ...40m, an average TOC content of 2-4%, vitrinite reflectance (Ro) of 2-3.5%, porosity of 1.85-8.32%, and pressure coefficient of 1.3-2.1 (Zou et al., 2019; Guo e ...(Guo et al., 2020). In summary, for the high quality shale interval, high porosity provides abundant pore space for shale gas storage, and high brittleness ma7 KB (985 words) - 18:54, 4 December 2023
- * [[Porosity]] prediction ...within specific reflectors can give us clues to changes in lithology or [[porosity]].4 KB (481 words) - 18:20, 4 February 2022
- ...lower interval velocity and lower density than the surrounding rock (see [[Porosity]]). ...ts from this modeling indicate that seismic data could be used to identify porosity in this geological setting. A good description of modeling methods and a nu10 KB (1,513 words) - 21:16, 19 January 2022
- ...ide it. The cross-sectional shape of fluids moving through intergranular [[porosity]] is roughly circular. Both pores and pore throats can be divided into petr ...etrography and reservoir physics, 1: objective classification of reservoir porosity]: AAPG Bulletin, vol. 75, no. 10, p. 1547–1563.</ref> describe a procedur4 KB (516 words) - 14:04, 4 April 2022
- ...resmi1/data/a067/a067/0001/0150/0155.htm Eustatic and tectonic controls on porosity evolution beneath sequence-bounding unconformities and parasequence disconf ...s greater, carbonates are subject to greater dissolution; therefore, vuggy porosity and [http://wiki.seg.org/wiki/Dictionary:Karst karst] features are common.7 KB (894 words) - 20:54, 6 April 2022
- ...at can accumulate hydrocarbons (oil or gas). Reservoir rock must have good porosity and permeability to accumulate and drain oil in economical quantities. ==Reservoir Porosity==14 KB (2,134 words) - 16:48, 26 March 2019
- | chapter = Porosity ...most all hydrocarbon reservoirs are composed of sedimentary rocks in which porosity values generally vary from 10 to 40% in sandstones and from 5 to 25% in car24 KB (3,450 words) - 19:09, 20 January 2022