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  • ...., Felt, T., Grace, M., Luthi, S., Serra, O., and Standen, E., 1989, Using formation Gardner, G. H. F., Gardner, L. W., and Gregory, A. R., 1974, Formation velocity and density—the diagnostic
    40 KB (5,282 words) - 16:45, 23 February 2016
  • ..., crossplotting, partial stacks, NI and PR (normal incidence and Poisson's ratio), AVO classes, lambda-mu-rho, elastic impedance, AVO impedance, prestack in initiated and promoted the formation of the “South African
    7 KB (1,026 words) - 11:43, 13 January 2023
  • #* ''Bulk modulus'' is the ratio of hydrostatic stress to volumetric strain; hence, it is a measure of incom #* ''Modulus of rigidity'' is the ratio of shear stress to shear strain; hence, it is a measure of resistance to sh
    18 KB (2,723 words) - 15:28, 6 October 2014
  • ...angular dependence of reflection coefficient ''R''(''θ'') is Poisson’s ratio ''σ'', Shuey <ref name=ch11r74/> introduced a variable transformation from ...ation ({{EquationNote|25}}) is directly related to ''change in Poisson’s ratio'' Δ''σ'', which in turn, is directly related to ''fluid saturation in res
    42 KB (6,342 words) - 10:08, 22 March 2019
  • ...specific to the material and are called Young’s modulus and Poisson’s ratio, respectively. ...quantity, Young’s modulus has the dimensions of stress, and Poisson’s ratio is a pure number.
    84 KB (13,083 words) - 10:58, 12 September 2020
  • ...of ancient meteorites shows that liquid water has been on Earth since its formation 4.6 billion years ago, <ref>Sarafian, A.; Nielsen, S.; Marschall, H.; McCub
    10 KB (1,595 words) - 08:05, 9 November 2016
  • ...umb|border|Fig. 1: GR vs. Corrected Spectral GR for Well B, color-coded by formation. The correlation between both GR responses allows an adequate linear fit of ...follow the separation trend between NPHI and RHOZ except in the dolomitic formation (in grey). Since the high-density porosity reading in the shales is due pri
    19 KB (2,988 words) - 13:02, 4 January 2018
  • * B<sub>oi</sub> = Oil formation volume factor, which is a factor for the change in the oil volume between t * B<sub>oi</sub> = Oil formation volume factor, which is a factor for the change in the oil volume between t
    12 KB (1,808 words) - 13:04, 4 January 2018
  • related to the degree of anoxia present at the time of deposition. The ratio of S3/S1 peaks and S2/S1 peaks in the pyrolysis analysis are proxies for th Tissot, B. P., and Dietrich H. Welte. Petroleum formation and occurence. Springer, 1984.
    7 KB (1,116 words) - 13:08, 4 January 2018
  • ...r reservoir potential: An outcrop analogue study on the Miocene Tepoztlán Formation, Central Mexico. ] </ref> ]] ...types, absolute porosity and effective porosity. Absolute porosity is the ratio of the total pore volume in the rock to bulk volume, obtained by the calcul
    10 KB (1,461 words) - 11:40, 24 April 2018
  • ....<ref name=":0">[ Pickett, G., R., 1973, Pattern recognition as a means of formation evaluation: The Log Analyst, vol. 14, no. 4, p. 3–11.]</ref> ...g grain density, etc. as well as not having to know the resistivity of the formation water. The important aspect of the pattern recognition approach is that the
    8 KB (1,303 words) - 20:50, 23 April 2018
  • ...hanges in viscosity. It occurs at interface boundaries such as water, gas, formation and grain boundaries.<ref name=Durek>Joseph J. Durek, Göran Ekström; A ra Scattering is computed using a ratio of the inhomogeneity of the medium ''a'' to the wavelength.<br />
    13 KB (1,896 words) - 17:44, 14 April 2018
  • ...Simulation.png|thumb|1400px|"A reservoir model contains the permeable rock formation. The color specifies the oil saturation (more red, more oil)."<ref>Reservoi ...umping fluid into a wellbore at an injection rate that is too high for the formation to accept without breaking.” (Hydraulic Fracturing, petrowiki) Using the
    11 KB (1,550 words) - 04:19, 26 May 2022
  • ...source rock identification on seismic data: An example from the Tanezrouft Formation (Tunisia): Marine and Petroleum Geology, '''91''', 108-124, https://www.sci ...tio). A higher aspect ratio equals a lower anisotropy while a lower aspect ratio equals a higher anisotropy. Therefore, the spherical nature of organic mat
    10 KB (1,526 words) - 18:01, 30 November 2018
  • === Formation volume factor (FVF) === The ratio of a phase volume (water, oil, gas, or gas plus oil) at reservoir condition
    17 KB (2,404 words) - 11:27, 13 August 2019
  • ...carbons found are typically light oils, which have relatively high Gas-Oil ratio (GOR). Light oils are characterized by having a higher percentage of lighte ...found in Saudi Arabia and western part of Qatar. ('''Fig. 1''') shows the formation and members found in the Central Arabia basin.  The Qusaiba-Plaozoic petro
    13 KB (2,072 words) - 16:59, 2 December 2019
  • ...Moinesian and Upper Atokan. Examples of these sediments are the Hartshorne formation and Booch sandstones. basins in the United States.”<ref>Houseknecht, D.W., 1987, The Atoka Formation of the Arkoma basin--tectonics, sedimentology, thermal maturity, sandstone
    21 KB (3,126 words) - 18:26, 4 December 2019
  • ...alifornia’s most prolific producing basin and known for its oil per unit ratio. [[File:MapofLABasin.jpg|thumb|The Los Angeles Basin is located in the Sout The Los Angeles basin formation consisted of both [
    10 KB (1,616 words) - 16:13, 5 May 2020
  • ...e Niobrara Biogenic gas play suggest the gas was generated in the Niobrara formation. The Dakota group D and J sandstones play provides both reservoir and migra ...he primary focus is the stratigraphically trapped marine sandstones in the formation. Low porosity and permeability categorize these beds as tight gas sands—
    13 KB (1,946 words) - 18:28, 10 May 2021
  • ...elsius (212-302 Fahrenheit) temperatures. The water salinity and gas-water ratio is often high as well as having very high pressure zones in the most prospe":0" /> Sand and water are pumped down at high pressures to crack the formation rock in order to extract Oil and Gas in wells associated with low risk.
    9 KB (1,350 words) - 00:35, 12 May 2021

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