Search results

• Phi scale
  ...then calculated. Mean grain size can be expressed in either the millimeter or phi scale, but sorting must be expressed in the phi scale to maintain a sor
  453 bytes (78 words) - 20:55, 27 August 2014
• Structural exploration: location selection
  ...ons. This approach becomes critical as the structural complexity increases or the structural play concept becomes more sophisticated. ...which it is more appropriate to select a location based on technical needs or data quality rather than optimizing the economic success of the first well.
  4 KB (545 words) - 18:52, 3 February 2022
• Abnormal hydrostatic pressure
  * [[Reservoir_quality#Compaction|Rock compaction]] or [[Rock dilation|dilation]] Abnormal pressures develop when fluid is unable to move into or out of the local [[Pore system fundamentals|pore system]] fast enough to ac
  3 KB (426 words) - 14:51, 16 February 2022
• Migration rate calculation
  The rate of [[Hydrocarbon migration|migration]] for [[oil]] or [[natural gas|gas]] can be estimated using [[Fluid flow fundamentals|Darcy' ...cedure for calculating the [[Hydrocarbon migration|migration]] rate of oil or gas is outlined in the table below.
  4 KB (618 words) - 19:40, 14 February 2022
• Underpressure causes
  Underpressure can be caused by [[burial]] or [[heat]] decrease. ...y [[impermeable]] rocks, it becomes underpressured by burial when faulting or downwarping occurs.
  3 KB (390 words) - 16:23, 16 February 2022
• Displacement pressure estimation
  ...cury injection measurements || [[Overview of routine core analysis|Cores]] or [[Mudlogging: drill cuttings analysis|cuttings]] | Pore-size distribution || [[Thin section analysis|Thin sections]], cores, or cuttings
  2 KB (258 words) - 18:41, 31 March 2022
• Inertinite
  ...maceral]] group composed of inert hydrogen-poor organic matter with little or no petroleum-generative potential. Type IV [[kerogen]] is dominated by iner
  688 bytes (93 words) - 19:04, 14 March 2016
• Seismic data: building a stratigraphic model
  The problem addressed in seismic modeling, or simulation, is calculating the seismic response ([http://wiki.seg.org/wiki/ Depth-dependent velocity and density models are needed to identify events or to create a synthetic seismogram. Velocity information can come from a vari
  5 KB (805 words) - 19:06, 27 January 2022
• Structural exploration workflow
  ...-4.png|Figure 2]]) are most important to perform early in a frontier basin or play. More detailed analyses requiring more detailed data (right half, [[:f
  4 KB (480 words) - 16:22, 3 February 2022
• Province, basin, system, play, and prospect
  ...in or Paris Basin. The Zagros [[fold]] belt could be a structural province or a petroleum province, not a basin. ...edimentary rocks. However, the moment petroleum is generated, biologically or thermally, a petroleum system is formed.
  6 KB (932 words) - 20:24, 25 January 2022
• Oil-oil and oil-source rock correlation
  Correlations are comparisons of (1) oils with other oils or (2) oils with [[source rock]] extracts to determine whether a genetic relat ...osing [[migration|migration pathways]] from kitchen areas to new prospects or plays
  3 KB (422 words) - 22:05, 14 February 2022
• Seepage activity and surficial geochemistry
  ...iles. Active seepage occurs in basins now actively generating hydrocarbons or that contain excellent migration pathways. These seeps are easily detected ...evels of hydrocarbon seepage may only be detectable near major leak points or below the zone of maximum disturbance.
  4 KB (482 words) - 21:00, 31 January 2022
• Normal hydrostatic pressure
  ...rticle, where the fluid state (liquid or gaseous) is important, the state (or phase) is specified.
  3 KB (480 words) - 13:47, 16 February 2022
• Energy Minerals Division
  ...helping to organize or support local society meetings, regional, national or international meetings, symposia, workshops, short courses, and field trips
  2 KB (294 words) - 23:39, 19 January 2021
• The gravity method
  ...nding on the instrument. Other factors, such as errors in positioning data or the movement of the meter, usually cause larger uncertainties in the observ ...mmediate interest) is usually important to acquire, although other surveys or government data may be available for this purpose.
  6 KB (854 words) - 16:19, 20 January 2022
• Relative permeability
  ...lity. Relative permeability can be expressed as a number between 0 and 1.0 or as a percent. Pore type and formation [[wettability]] affect relative perme ==Why k_ro or k_rg is less than k_ab==
  9 KB (1,351 words) - 13:31, 5 April 2022
• Meteoric diagenesis
  Meteoric [[diagenesis]] is the modification of deposits at or near the surface in the [[phreatic]] and [[vadose]] zones.<ref name=Scholle
  648 bytes (87 words) - 15:34, 10 December 2015
• Top and fault seal evaluation
  * Presence or absence of [[hydrocarbon]]s ...ulations. Assessment of percent fill without the ability to risk seal (top or fault) is reduced to a statistical guessing game. They control the vertical
  4 KB (528 words) - 17:48, 24 March 2022
• Hydrodynamics
  Hydraulic head (H_w) is the height or elevation above a given subsurface point at which a column connected to a b * H_w = height above P (ft or m)
  5 KB (658 words) - 22:04, 17 February 2022
• Carbonate
  ...and XF methods|X-Ray Diffractometry]]. Carbonates more rich in calcite and/or aragonite are called [[limestone]]. Carbonate rocks composed mainly of the
  708 bytes (95 words) - 20:42, 7 July 2016

View (previous 20 | next 20) (20 | 50 | 100 | 250 | 500)