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• Pressure detection
  ...pore pressure in low [[permeability]] rocks causes them to stress relieve or “cave” into the borehole ...d sand body enclosed by the shale, whatever fluid it contains (water, oil, or gas), will share the same pressure. The fact that overpressures have been m
  16 KB (2,450 words) - 21:42, 20 January 2022
• Open hole tools
  * '''Geological setting''', which may include structural or stratigraphic [[dip]], facies characteristics, and reservoir heterogeneitie ...b>mf</sub>) to that of the formation water (''R''_w) reaches 1.0 or more. If there is no contrast in the mud filtrate and formation water salin
  23 KB (3,350 words) - 17:26, 18 January 2022
• East Breaks hydrocarbon migration model
  ...th Annual Research conference, p. 139–150.</ref> or the lower [[Tertiary]] or Upper [[Jurassic]] as suggested by Gross et al.<ref name=ch04r40>Gross, O. ...r beds (2). Pathway 3 consists of a fault intersection of either pathway 1 or 2 and the vertical migration along fault-associated [[fracture]] conduits w
  10 KB (1,376 words) - 16:00, 23 March 2022
• Barnett Shale (Mississippian), Fort Worth Basin, Texas
  ...activity, but for the past few years there are usually no more than a rig or two working in the play.
  3 KB (414 words) - 22:15, 2 June 2021
• Seal capacity and two-phase hydrocarbon columns
  ...is possible to trap a thicker two-phase hydrocarbon column than oil alone or gas alone.<ref name=ch10r92>Watts, N., L., 1987, Theoretical aspects of cap
  3 KB (445 words) - 20:56, 31 March 2022
• Pressure prediction: reconstructing burial history
  ...of a play area gives an estimate of vertical displacement by either burial or faulting of at least an order of magnitude of measurement. A pressure-depth
  3 KB (408 words) - 17:56, 17 February 2022
• Tmax
  ...ween maturation indicators and hydrocarbon generation from kerogens.</ref> or kerogen containing high sulfur concentration and is not a reliable indicato
  3 KB (411 words) - 21:19, 9 February 2022
• Economics: global supply and demand
  ...ntermediate good occurs as a result of the demand for another intermediate or final good. Supply is the amount of a product that producers and firms are
  9 KB (1,388 words) - 15:38, 14 March 2019
• Capillary pressure
  * An approximation of the recovery efficiency during primary or secondary recovery. ...|300px|thumb|{{figure_number|2}}The wetting phase rises above the original or free surface in the capillary tube experiment until adhesive and gravitatio
  23 KB (3,315 words) - 16:59, 19 January 2022
• Borehole gravity
  ...solution in the measurement of density over intervals of [[length::10 ft]] or more (less than 0.01 g/cm³), surveys requiring closer vertical r ...and [[depth::6370 ft]] suggests porosity obscured by near-borehole effects or poor volume sampling. However, the broad departure of the BHGM and gamma-ga
  10 KB (1,517 words) - 15:54, 20 January 2022
• Natural hydraulic fracturing example, North Sea
  ...s close to the [[Geostatic and lithostatic pressure|lithostatic pressure]] or overburden pressure.
  3 KB (430 words) - 19:46, 30 March 2022
• Top seal ductility estimation
  ...tory data and log-derived density values that reflect the compaction state or (2) by comparing the strains in tested traps associated with successes and ...sity vs. depth. The figure shows the ductility of each shale at that depth or confining pressure, with ductile samples shown by gray circles and brittle
  7 KB (1,000 words) - 15:22, 30 March 2022
• Isotopic parameter data for oil–oil and oil–source rock correlations
  ...ratios are usually measured on carbon but sometimes are measured on sulfur or hydrogen. ...). Less commonly, carbon isotope ratios are measured on the distillate and/or chromatographic fractions. For oil-[[source rock]] correlations, isotope ra
  6 KB (915 words) - 17:34, 15 February 2022
• Primary migration and compositional changes
  * [[Kerogen types|Type I or 2 kerogen]]
  3 KB (438 words) - 15:17, 14 February 2022
• Fracture threshold in the real world
  ...re equals or exceeds P_f only when the pore pressure is equal to or greater than the lithostatic stress. Fracture occurs when P_f equ
  6 KB (930 words) - 15:49, 30 March 2022
• Biostratigraphy in sequence stratigraphy
  ...or by providing the necessary age constraints on [[magnetostratigraphic]] or [[Stable isotope stratigraphy|isotope stratigraphic]] interpretations. When ...is frequently much more reliable than [[Seismic data|seismic reflectors]] or [[Basic open hole tools|well log]] picks. Correlation across [[growth fault
  16 KB (2,247 words) - 19:23, 24 January 2022
• Carbon dioxide (CO2) sequestration
  ..., the CO₂ is captured at the source, which can be a power plant or other industrial facility; the captured CO₂ is then transported, ...ine, although the CO₂ could also be transported by truck, rail, or in the case of a geological storage site located offshore, ocean tanker.
  11 KB (1,644 words) - 21:07, 26 March 2015
• Taxes
  ...paid when the oil and gas are produced regardless of the amount of profit (or loss), and ''income taxes'', which are paid on the amount of profit (called ...e depletion calculation. If the G & G costs do not lead to the acquisition or retention of a property, then these costs can be expensed in the taxable ye
  16 KB (1,909 words) - 15:01, 24 January 2022
• Open- vs closed-system generation modeling
  ...ed 1-D basin [[modeling]] software are typically presented as either open- or closed-system yields. '''Open-system''' models are based on the assumption
  3 KB (398 words) - 15:15, 14 February 2022
• Migration distance: vertical and lateral
  ...etermined. The change in maturity with depth is estimated from measurement or [[modeling]]. Detailed geochemical studies of extracts, including [[Wikiped
  3 KB (413 words) - 15:19, 14 February 2022

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