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• 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
• Overview of routine core analysis
  ...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=pt05r
  14 KB (2,121 words) - 21:16, 19 January 2022
• Logging while drilling
  ...rements of the formation (electric logs such as gamma ray, resistivity, or porosity), drilling parameters (e.g., downhole torque, weight on bit, temperature, o
  2 KB (206 words) - 21:17, 3 December 2015
• Gravity in petroleum exploration
  ...undings. The borehole gravity meter has broad application, from locating [[porosity]] in wildcats or through [[casing]] in old wells to monitoring fluid change
  1 KB (187 words) - 17:53, 25 January 2022
• What is permeability?
  ...[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 to
  5 KB (694 words) - 20:41, 4 April 2022
• Vibro-sesismic to increasing the production rate of coal bed methane
  ===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 w
  11 KB (1,551 words) - 16:49, 11 January 2016
• Fractured membrane seal leakage
  ...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 t
  3 KB (478 words) - 17:09, 1 February 2022
• Buckles plot
  A Buckles plot is a plot of water saturation (S_w) vs. [[porosity]]. Contours of equal bulk volume water (BVW) are drawn on the plot.
  1 KB (183 words) - 18:19, 26 March 2015
• Carbonate facies
  * [[Predicting carbonate porosity and permeability]] * [[Basics of carbonate porosity formation and preservation]]
  3 KB (433 words) - 18:32, 6 April 2022
• Reservoir system
  ...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
• China Shale Gas & Liquids - Sichuan Basin
  ...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 ma
  7 KB (985 words) - 18:54, 4 December 2023
• Seismic data: analyzing individual reflectors
  * [[Porosity]] prediction ...within specific reflectors can give us clues to changes in lithology or [[porosity]].
  4 KB (481 words) - 18:20, 4 February 2022
• Forward modeling of seismic data
  ...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 nu
  10 KB (1,513 words) - 21:16, 19 January 2022
• Pore and pore throat sizes
  ...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 procedur
  4 KB (516 words) - 14:04, 4 April 2022
• Sea level cycles and climate
  ...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
• Reservoir
  ...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
• Porosity
  | 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 car
  24 KB (3,450 words) - 19:09, 20 January 2022

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