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  • File:Evaluating-tight-gas-reservoirs fig3.png
    Histograms showing (a) average porosity values and (b) average permeability values for cored tight gas reservoir facies. (From Moslow and
    (1,964 × 879 (37 KB)) - 18:47, 14 January 2014
  • File:Using-and-improving-surface-models-built-by-computer fig3.png
    ...polated values for a weighted average algorithm tend to “come back” to the average of near data values. (b) Acceptable surface extrapolation achieved by creat
    (924 × 438 (5 KB)) - 22:32, 13 January 2014
  • File:Conducting-a-reservoir-simulation-study-an-overview fig5.png
    ...lculated for series flow (geometric average) and parallel flow (arithmetic average). Copyright: Lishman, 1970</xref>; Courtesy Canadian Institute of Mining, M
    (854 × 1,328 (69 KB)) - 18:46, 14 January 2014
  • File:Figure1.png
    Figure 1. Hydrologic cycle with global annual average water balance
    (535 × 380 (237 KB)) - 08:32, 29 June 2015
  • File:Figure3EagleFord2019-20CommRept.jpg
    Average monthly daily production rates for crude oil from the Eagle Ford (U.S. EIA,
    (468 × 230 (67 KB)) - 21:55, 6 April 2021
  • File:Subsurface-maps fig5.png
    Porosity-weighted average water saturation map for Layer 2 of a Middle Eastern carbonate reservoir.
    (889 × 1,444 (71 KB)) - 20:42, 14 January 2014
  • Total organic carbon (TOC)
    ==Average TOCs== The table below<ref name=ch06r3 /> shows average TOC values for different sedimentary rock types.
    3 KB (428 words) - 16:33, 13 April 2022
  • File:Using-and-improving-surface-models-built-by-computer fig22.png
    ...hydrocarbon rock thickness is progressively reduced by net to gross ratio, average porosity, and oil saturation, until only the thickness of pores filled with
    (938 × 308 (15 KB)) - 22:33, 13 January 2014
  • AAPG Wiki:Personas
    * Average age of employees in the industry is 50-52. ** The average age of the geophysical department in Houston is 58 years.
    1 KB (225 words) - 13:31, 6 August 2013
  • Geostatic and lithostatic pressure
    * ρ<sub>m</sub> = weighted average of grain (mineral) density (sandstone and shale = 2.65 g/cm<sup>3</sup>, li * ρ<sub>w</sub> = weighted average of pore-water density (g/cm<sup>3</sup>)
    3 KB (402 words) - 14:47, 16 February 2022
  • File:Geological-heterogeneities fig2.png
    ...ng- or thickening-upward sequences. ''Fining'' and ''coarsening'' refer to average relative grain size of individual laminae and beds, and ''thinning'' and ''
    (940 × 630 (40 KB)) - 15:35, 14 January 2014
  • File:M91FG123.png
    A schematic delta showing a range of sand body types at their average dimensions, together with several oil and gas fields at the same scale. The
    (2,064 × 2,095 (121 KB)) - 19:40, 13 August 2015
  • File:Mth14ch02f06.jpg
    Maps showing fieldwide variations in the average reservoir pressure of the Yowlumne Sandstone. The variations indicate that
    (700 × 481 (51 KB)) - 17:48, 4 December 2015
  • Seismic data and mapping structure
    ...ssic || Mapping a surface of interest (from data) using [[Average velocity|average velocities]]
    2 KB (320 words) - 19:10, 27 January 2022
  • Natural-gas liquids
    ...ield to petroleum field and from country to country, and the overall world average can only be calculated based on reliable statistics for gas and NGL, statis
    4 KB (549 words) - 16:31, 25 June 2015
  • Static gas pressure gradient estimation
    ...ormation-fluid-pressure-and-its-application_fig5-11.png|{{figure number|4}}Average gas chart. Copyright: Gearhart-Owens.<ref name=G-O>Gearhart-Owens Industrie ...tion or formation temperature are available, estimate gas density from the average gas chart ([[:file:formation-fluid-pressure-and-its-application_fig5-11.png
    7 KB (979 words) - 15:24, 17 February 2022
  • Geothermal gradient
    ...culating groundwater, and the cooling effect of drilling fluids. Worldwide average geothermal gradients are from 24 to 41&deg;C/km (1.3-2.2&deg;F/100 ft), wit
    901 bytes (127 words) - 19:53, 25 June 2015
  • Magnetotellurics
    ...is a function of both frequency at which the measurement is taken and the average resistivity of the subsurface || Depth of investigation is the depth of the | Respond only to changes in average bulk resistivity || Respond to individual rock layers along the wall of the
    3 KB (486 words) - 17:53, 25 January 2022
  • Rock quality
    ...w unit 2 is a macroporous, oolitic [[limestone]]. Its average Φ is 10% and average K<sub>a</sub> is 10 md. ...found the best correlation to be r<sub>35</sub> because that is where the average modal pore aperture occurs and where the pore network is developed to the p
    10 KB (1,534 words) - 16:53, 4 April 2022
  • Hydrostatic pressure-depth plot construction
    The formation fluid pressure at any depth in a well is a function of the average formation water density (ave. ρ<sub>w</sub>) above that depth, not the den ...pressure is not available for a well, find out the accepted rule-of-thumb average hydrostatic pressure gradient for the depth of the zone of interest where t
    7 KB (895 words) - 18:57, 16 February 2022

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