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• Seismic data - mapping with two-dimensional data
  ...uction requires a base map and velocity data. The object is to contour the average velocity down to an event. ...ver, they generally approximate the root mean square velocities from which average velocities can be calculated.
  13 KB (1,936 words) - 21:29, 21 January 2022
• Eagle Ford Group in southwest Texas (USGS)
  [[file:Figure3EagleFord2019-20CommRept.jpg|300px|thumb|{{figure number|3}}Average monthly daily production rates for crude oil from the Eagle Ford (U.S. EIA, ...strata brittle and amenable to fracture propagation. Completed wells show average initial production rates (first full month) of ~600 bbls/day for oil and 20
  11 KB (1,594 words) - 19:15, 8 February 2024
• Reservoir modeling for simulation purposes
  ...presented and that the individual layers and bodies can be described using average petrophysical properties that lead to realistic flow simulations. For this ...age. The more random the permeability, the closer it gets to the geometric average. Geostatistical methods have become popular to tackle these problems.<ref n
  17 KB (2,234 words) - 21:21, 19 January 2022
• Electrical methods
  ..., occur over such limited formation thicknesses that their effects on bulk average resistivity is, in most cases, undetectable. ...ous sedimentary formations in most instances has little effect on the bulk average resistivity since the additional fracture [[porosity]] changes the already
  15 KB (2,130 words) - 21:19, 19 January 2022
• Pore throat size and connectivity
  ...pore size presents problems. For example, how do we accurately measure and average pore size in rocks with poorly sorted pore sizes?
  4 KB (650 words) - 14:23, 4 April 2022
• Magnetics: total intensity and residual magnetic maps
  ...th's normal magnetic field is removed. It is generally a reflection of the average magnetic susceptibility of broad, large-scale geologic features.
  4 KB (618 words) - 19:55, 27 January 2022
• Main Central Thrust
  ...value of -21.5 has been reported in the Lesser Himalayan Sequence while an average [[Nd]] value of -16 has been reported in the Greater Himalayan Sequence) ma
  10 KB (1,434 words) - 15:39, 20 January 2016
• Hydroelectric power
  ...ct that most technically attractive sites have already been developed. The average large dam today is about 35 years old.
  10 KB (1,466 words) - 16:06, 11 January 2016
• Displacement pressure: theory vs. reality
  ...ional systems]].) Measured displacement pressures of the top seal have an average range of 150–200 psi (air-mercury) and can seal 10.86–12.64 m of oil. T
  4 KB (587 words) - 13:36, 1 April 2022
• Density-neutron log porosity
  Use the lithology matrix densities to determine porosity and average P_e to determine lithology listed in the table below. ! Lithology || Density, g/cc || Average pe
  12 KB (1,763 words) - 16:18, 5 April 2022
• China Shale Gas & Liquids - Bohai Bay Basin
  ...is in overall good-very good source rock containing Type I-II kerogen, in average of 3.6% TOC, and at the oil-mature stage with 0.68% to 1.16% Ro (Zhao et al ...cteristic of high sulphur content (~2.3%), high resins and asphaltenes (in average 39.7% and 11.2%, respectively), and therefore, high density and viscosity (
  8 KB (1,251 words) - 15:51, 14 March 2022
• Parasequences (fourth- and fifth-order sequences)
  ...ort duration—generally less than 10,000 years. Periodic parasequences have average durations of 100,000 years.
  5 KB (619 words) - 22:26, 3 February 2022
• Pressure transient testing
  * [[Permeability]] to the produced phase (oil, gas, or water), which is an average value within the radius of investigation achieved in the test * Current average pressure in the drainage area of the tested well
  15 KB (2,314 words) - 17:45, 21 January 2022
• Formation water density
  #*::: T_s = average surface temperature (°F)
  5 KB (714 words) - 15:19, 13 September 2022
• Hydrocarbon accumulation: the seven critical elements
  * Average [[Wikipedia:Fault_(geology)#Slip.2C_heave.2C_throw|throw]] on faults
  5 KB (636 words) - 21:47, 1 February 2022
• History of oil
  ...1972 million bbl per year in 1950 to 3522 million bbl per year in 1971, an average growth of almost 74 million bbl annually. It decreased until the initiation
  5 KB (778 words) - 21:14, 12 March 2019
• Niobrara & Codell of the Denver-Julesburg Basin
  ...canceled. Compared to an average rig count of 26 during 2019, 2020 saw an average rig count of 9 throughout the year, four of which were focused on the Niobr
  9 KB (1,412 words) - 21:46, 3 March 2022
• Dipmeter
  ...tion of the contact exposed is liable to be highly unrepresentative of the average structural dip. Outcrop perspectives cannot be extrapolated to the borehole ..., shale laminations tend to be parallel to one another and parallel to the average of most lithological bed boundaries. In dipmeter computations, there are a
  14 KB (2,128 words) - 17:25, 18 January 2022
• Haynesville and Bossier Shales (Upper Jurassic), East Texas and Northwest Louisiana
  ...t” related to higher percent weight of total organic content (TOC), higher average total porosity and higher original gas in place (OGIP; Fig. 4); however, in
  4 KB (628 words) - 23:05, 3 March 2022
• Fracture analysis
  ...pages.com/data/bulletns/1994-96/data/pg/0080/0010/1550/1565.htm Estimating average fracture spacing in subsurface rock]: AAPG Bulletin, vol. 80, p. 1565–158
  5 KB (644 words) - 15:30, 3 February 2022

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