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• Sandstone sedimentology and stratigraphy
  ...ng to Dott's (1964) classification scheme, sandstones are classified into: quartz arenite, sublithic arenite, lithic arenite, arkosic arenite and [[arkose]] ...servoir rock in over 60% of the world’s giant fields; composed of mainly [[quartz]] and/or feldspars and typically deposited by relatively high- energy proce
  27 KB (3,802 words) - 19:32, 9 January 2024
• Thin section analysis
  ...rains and [http://dictionary.reference.com/browse/authigenic authigenic] [[quartz]] overgrowths (cement) in sandstones.<ref name=pt05r80>Houseknecht, D. W., ...[[sandstone]]s composed mostly of [[Brittleness|brittle]] grains such as [[quartz]] and [[feldspar]]. Therefore, the preservation of primary [[Reservoir qual
  24 KB (3,264 words) - 15:09, 24 January 2022
• Rock-water reaction
  ...fines that contribute to permeability reduction can be composed of clay, [[quartz]], feldspar, or carbonate. Nonclay fines have no significant surface charge ...lllite Chlorite lllite-smectite Chlorite-smectite Clay size particles of [[quartz]] or other minerals || High transient pressure High flow rates || Perforate
  17 KB (2,356 words) - 19:24, 19 January 2022
• Rock-water reaction: formation damage
  ...fines that contribute to permeability reduction can be composed of clay, [[quartz]], feldspar, or carbonate. Nonclay fines have no significant surface charge ...lllite Chlorite lllite-smectite Chlorite-smectite Clay size particles of [[quartz]] or other minerals || High transient pressure High flow rates || Perforate
  17 KB (2,380 words) - 18:23, 21 January 2022
• Displacement pressure estimation from sedimentary facies and well logs
  ...rectly reflect the relative proportions of clay minerals and organics to [[quartz]] and other minerals. Clay-rich seals with high displacement pressures have
  5 KB (764 words) - 19:46, 31 March 2022
• Formation fluid pressure from repeat formation testers
  # Run quartz and strain gauges simultaneously. Record both readings independently. Norma
  6 KB (849 words) - 17:55, 17 February 2022
• Log analysis: lithology
  ...on the dry clay minerals-100% water line. A shale point was defined on the quartz-wet clay line. The model can then determine porosity, shale volume, and sil ...an be combined to solve for porosity and to estimate volumes of calcite, [[quartz]], dolomite, clay, feldspar, anhydrite, and salt. Once porosity is determin
  25 KB (3,189 words) - 17:24, 18 January 2022
• Reservoir quality
  ...ollapse. A rock that consists of a framework of strong minerals, such as [[quartz]], tends to undergo only minor porosity and permeability reduction during c | [[Quartz]] || Syntaxial overgrowth, prismatic
  18 KB (2,514 words) - 17:47, 21 January 2022
• Quick-look lithology from logs
  | [[Sandstone]] ([[quartz]]) || 15–30 (rarely to 200) [[Quartz]] should read 1.7 to 1.8 barns/electron, but most other minerals can raise
  25 KB (3,637 words) - 19:39, 18 January 2022
• Mudstone nomenclature
  ...00> Schieber, J., D. Krinsley, and L. Riciputi, 2000, Diagenetic origin of quartz silt in mudstones and implications for silica cycling: Nature, v. 406, p. 9 ...grains. Even when overprinting is pervasive, more stable components (e.g., quartz grains) can still be recognized in hand specimens and thin sections, howeve
  58 KB (8,391 words) - 19:46, 20 February 2024
• Bakken and Three Forks Formations, Williston Basin, North Dakota and Montana (USGS)
  | XRD Quartz (wt%) || Variable
  11 KB (1,595 words) - 20:20, 2 June 2021
• Wettability
  ...mulates the reservoir material. For sandstones, glass slides or polished [[quartz]] are often used. Polished marble is usually chosen to simulate a carbonate
  12 KB (1,706 words) - 15:11, 24 January 2022
• Yowlumne field
  * Because sandstones in Unit B have more quartz, less clay, and higher original porosity than the equivalent sandstones in
  13 KB (1,896 words) - 19:02, 11 March 2019
• Depositional environments
  ...oar, 1990). Dune consists of well sorted and well rounded grains, mostly [[quartz]] rich , but also heavy minerals and rock fragments are present. Coastal du ...emains of living things, hemipelagic mud also formed of soft terrigenous [[quartz]], fieldspar mika, mineral lempung, and vilcanin material. Hemipelagic mud
  26 KB (3,851 words) - 20:38, 28 February 2019
• Strain partitioning
  ...uch as micas and more competent (mechanically stronger) minerals such as [[quartz]] or feldspars, may develop a shear band fabric.<ref name=GoodwinTikoff /><
  13 KB (1,732 words) - 22:01, 23 January 2019
• Subduction zone
  ...crystalline [[quartz]], feldspar, and unstable clasts plus polycrystalline quartz. The detail of this classification can be reached in [[:File:Subduction Fig
  27 KB (4,033 words) - 20:52, 27 March 2019
• Wattenberg field
  ...s the clay content increases. Pores are triangular in shape because of the quartz overgrowths. [[:file:M125-WattenbergField-Figure15.jpg|Figure 15]] illustra ...re fine to medium grained, well sorted, and rounded and consist of 57%–80% quartz, 5%–10% rock fragments, and 5% feldspar. Porosity is intergranular with m
  72 KB (10,249 words) - 20:06, 15 January 2024
• Reservoir
  ...hibole, and biotite, or felsic minerals such as feldspar, muscovite, and [[quartz]].<ref> Noor, D., 2009, Pengantar Geologi, Universitas Pakuan Bogor.</ref>
  14 KB (2,134 words) - 16:48, 26 March 2019
• Ti in zircon geothermometer
  ...con in Earth's crust. In some zircon crystals, inclusions of the mineral [[quartz]] (SiO₂) can be used as proof that silicon was present during cr
  16 KB (2,328 words) - 22:11, 3 December 2015
• Silurian Qusaiba shales
  ...to be tight due to advanced [[diagenesis]], particularly cementation by [[quartz]] overgrowths, which has reduced reservoir quality.
  18 KB (2,569 words) - 22:50, 8 January 2019

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