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• Buoyancy pressure
  Buoyancy is the tendency for a body (or a drop of immiscible fluid) to float or rise when submerged in a fluid of greater [[density]]. Where two immiscible ...re#Capillary pressure concepts|capillary effect]]s—such as a bottle, lake, or cave—the different fluids exhibit a sharp, flat interface.
  4 KB (596 words) - 18:37, 17 February 2022
• Selecting a surficial geochemistry survey method
  ...er area, to high-grade previously defined exploration leads and prospects, or to determine the type of petroleum (i.e., oil vs. gas) likely to be encount ...cal methods have previously been used successfully in the area of interest or in a geologic analog area?
  6 KB (809 words) - 17:05, 25 January 2022
• Fossil assemblage
  Fossil assemblages, or faunal assemblages, are simply groups of fossils found together in strata.
  484 bytes (58 words) - 20:11, 12 March 2015
• Surficial geochemical exploration principles
  ...xploration for petroleum is the search for chemically identifiable surface or near-surface occurrences of hydrocarbons and their alteration products, whi * Hydrocarbon seepage can be active or passive and is visible (macroseepage) or only detectable analytically (microseepage).
  5 KB (687 words) - 19:23, 24 January 2022
• Surficial geochemistry: limitations and uncertainties
  ...very real and can significantly affect the [[economics]] of an exploration or development program, the user must be aware of limitations associated with * False seep anomalies can be caused by reworked [[hydrocarbon]]s and/or reworked [[source rock]]s.
  3 KB (418 words) - 21:19, 24 January 2022
• Tertiary migration
  ...rocarbon migration|Migration]] to the surface, either from a [[reservoir]] or [[source rock]]. Also called dismigration.
  440 bytes (58 words) - 21:47, 25 June 2015
• Trap
  * '''Trap seal'''—an impediment or barrier that interferes with hydrocarbon [[migration]] from the reservoir. ...en reservoir and seal, or (2) boundaries between fluids, such as oil–water or gas–water contacts. Temperature can also control a trap boundary as displ
  4 KB (614 words) - 17:02, 12 April 2022
• Type IV kerogen
  ...ee common source rock evaluation errors made by geologists during prospect or play appraisals]: AAPG Bulletin, vol. 93, issue 3, pp. 341-356.</ref>]] ...in thermally immature rocks; dominated by organic matter that was recycled or extensively oxidized during deposition. Sometimes the type IV pathway is no
  1 KB (185 words) - 21:11, 6 July 2015
• Fold trap regime
  ...p. 219-235.</ref> || rowspan = 2 | ''Local anticline'' || ''Fault bounded or cross faulted'' || ''Relief, symmetry, internal faulting, internal geometry ...rom the horizontal in one direction only and are not a part of a anticline or syncline.<ref name=ch02r11>Rittenhouse, G., 1972, [http://archives.datapage
  6 KB (742 words) - 14:42, 13 April 2022
• Structural maps and cross sections
  ...ect, regardless of local structural style, level of structural complexity, or exploration maturity: ...tratigraphic thickness variation or has behaved in a [[Ductility|ductile]] or compactive manner during [[deformation]].
  4 KB (504 words) - 14:17, 2 February 2022
• How to use the trap classification scheme
  ...hic, structural, or fluidic traps. But many traps are a combination of two or three geologic elements. In these traps, basic trapping elements occur in c
  1 KB (191 words) - 18:46, 12 April 2022
• Pore system fundamentals
  ...-D pore system geometries found in intergranular, intercrystalline, vuggy, or fractured rocks. ...-D pore system geometries found in intergranular, intercrystalline, vuggy, or fractured rocks. Copyright: Coalson et al.;<ref>Coalson, E. B., S. M. Gools
  3 KB (388 words) - 13:52, 4 April 2022
• Basin-fill and trap analysis
  ...h. Basin-fill analysis is looking for [[Stratigraphic trap|stratigraphic]] or [[combination trap]]s by combining [[paleogeography]] with the results of t
  1 KB (189 words) - 18:53, 4 February 2022
• Fracture trap regime
  ...otally mineralized by postfracture cements, typically calcite, [[gypsum]], or silica. | ''Nonmineralized fracture''; Contains no postfracture cements or minerals.
  7 KB (895 words) - 16:04, 13 April 2022
• Migration pathway map construction
  ...or [[Cross-leaking faults|cross-leak]] and [[Dip-sealing faults|dip-seal]] or [[Dip-leaking faults|dip-leak]]. ...s real JLLPs, areas of cross-seal or cross-leak, and areas of [[dip]] seal or dip leak
  3 KB (405 words) - 18:19, 29 March 2022
• Archie equation
  * Non-Archie pore geometries (i.e., not intergranular or intercrystalline) (See [[Pore systems]].) ...stments. The table below lists the five variables and methods for deriving or estimating them.
  5 KB (703 words) - 13:52, 5 April 2022
• Fracking
  ...fluid is lifted to the surface of the back is often called produced water or flowback water. In practice, the withdrawal of fracking fluid to the surfac ...t least 2 times until water is considered feasible to naturally evaporated or removed kesaluran common disposal.
  3 KB (484 words) - 21:18, 27 March 2019
• Structural styles: data and techniques for evaluation
  ...vidual structures generally have good [[strike]] continuity and poor depth or [[dip]] continuity. Hence, in any newly discovered thrust belt, these same If and when one or more structural styles are ascribed to an area, certain of the structural t
  3 KB (420 words) - 20:13, 3 February 2022
• Erosional trap regime
  ...boundaries occur along contacts between erosional surfaces and underlying or overlying [[reservoir]s. ...and bottom seals beneath the unconformity. || Regional subcrop; Uniformly or gently dipping reservoir bed beneath an unconformity. Top seal is provided
  5 KB (588 words) - 16:13, 13 April 2022
• Kerogen type and quality: visual assessment
  ...g transmitted light through a microscope to determine its form (structured or amorphous) and origin. Structured kerogens include woody, herbaceous, [[The ...kerogen in a sample derived from cuttings composites or core (conventional or sidewall). For example, a visual estimate of kerogen type might be stated a
  2 KB (300 words) - 18:17, 9 February 2022

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