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• 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
• 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_m = weighted average of grain (mineral) density (sandstone and shale = 2.65 g/cm³, li * ρ_w = weighted average of pore-water density (g/cm³)
  3 KB (402 words) - 14:47, 16 February 2022
• 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_a is 10 md. ...found the best correlation to be r₃₅ 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_w) 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
• New Albany Shale, Illinois Basin, southwestern Indiana
  ...ed to banded shales with interbedded greenish-gray bioturbated shales. The average total organic carbon content is 6−7 wt. %, ranging from < 1 to 20 wt. %. ...e initial potential of the NAS gas wells ranged from 567 to 11,327 m3/day (average 5295 m3/day), but the initial production to the pipeline is significantly l
  7 KB (1,107 words) - 21:50, 4 March 2022
• Tight gas reservoirs: evaluation
  ...|{{figure number|3}}Histograms showing (a) average porosity values and (b) average permeability values for cored tight gas reservoir facies. (From Moslow and ...values of porosity and permeability are acceptable and expected. While the average air permeability values rarely exceed 1.0 md (millidarcy) for tight gas res
  11 KB (1,444 words) - 21:26, 4 January 2024
• Economics: fundamental equations for oil and gas property evaluation
  ...ures will result in successes and some will result in failures, but on the average, we expect to make the expected net present value.
  6 KB (842 words) - 19:26, 19 January 2022
• AAPG Wiki:Project timeline
  ...es, so each chapter will become some number of wiki articles, perhaps 3 on average. So we anticipate that the manual will result in about 400 articles. In the
  2 KB (333 words) - 18:09, 15 July 2013
• Barnett shale play
  ...eraged 4,920 MMCF/day. The field also produced oil and condensate at an average rate of 3,207 and 15,757 bbls/day respectively in 2014. Latest production
  6 KB (909 words) - 19:24, 14 March 2019
• Statistics overview
  ...a population and that the average sample value approximates the population average. This is only possible if both high and low values are sampled without bias There are three measures of characterizing a population by describing the average value, or its central tendency. The most familiar measure is the ''arithmet
  16 KB (2,483 words) - 19:28, 19 January 2022
• Seismic data - creating an integrated structure map
  ....png|{{figure number|2}}Hypothetical well with important reference points; average velocity map for the Wilcox Formation in the Glenn Pool survey. From Liner. ...2]] shows a hypothetical well with important reference points as well the average velocity map for the Wilcox Formation in the Glenn Pool survey. This map ha
  7 KB (1,117 words) - 17:51, 25 January 2022
• Sandstone diagenetic processes
  ...ption#Maturity|sorting]], quartz content, and burial depth probably has an average porosity of approximately 13%.
  7 KB (870 words) - 20:30, 5 April 2022
• Reservoir simulation study
  ...l capillary pressure and relative permeability curves for each grid block, average curves can be derived for several ranges of porosity and permeability value ...lculated for series flow (geometric average) and parallel flow (arithmetic average). © Lishman,<ref name=Lishman>Lishman, J. R., 1970, Core permeability anis
  19 KB (2,711 words) - 17:48, 21 January 2022
• Vibro-sesismic to increasing the production rate of coal bed methane
  ...is 0.15%-0.57%. and after vibration can reacht decrease Sor untul 68% with average 66.1 %. From the result above, there is the same result beetwen sysntesis c
  11 KB (1,551 words) - 16:49, 11 January 2016

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