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• Critical moment (or Interval)
  41 bytes (5 words) - 20:18, 30 January 2014
• Two- or three-dimensional interpretation
  #REDIRECT [[Seismic data: two- or three-dimensional interpretation]]
  68 bytes (7 words) - 16:05, 21 November 2014
• Seismic data: two- or three-dimensional interpretation
  ...lts, channels, and other features of interest. There will always be faults or channels oriented at angles between 0° and 45° relative to the orientatio
  8 KB (1,280 words) - 17:33, 25 January 2022

Page text matches

• Dry hole
  ...[economics]] and technologies change, yesterday's dry hole may be revived (or a twin to it may be drilled) to yield today's successful well.
  322 bytes (52 words) - 13:44, 18 March 2019
• Interval transit time
  ...ic log, usually in units of μs/ft or μs/m. It is also seen as ''delta t'' or ''Δt''.
  205 bytes (40 words) - 20:03, 14 April 2014
• Biodegradation
  ...r methanogenic) biodegradation during migration or while in the reservoir, or at surface seeps, typically at temeraptures approximately less than 80°
  791 bytes (108 words) - 19:58, 25 June 2015
• AAPG Wiki:Privacy policy
  When making an edit or creating a new page on '''{{SITENAME}}''', contributors agree to these uses ...loads, for the purposes of tracking usage volume, diagnosing access issues or problems with the wiki server, and to administer the website.
  2 KB (333 words) - 15:37, 9 October 2013
• Bioturbation
  ...y and permeability. For instance, burrows filled with sand grains in a mud or clay unit could be conduits for fluid flow if connected. Bioturbation can o
  907 bytes (132 words) - 21:42, 18 September 2014
• Accumulation
  ...ot contain oil or gas. Accumulations, or pools, are traps that contain oil or gas.<ref name=Vincelette>Vincelette, R. R., E. A. Beaumont, N. H. Foster, 2 ...s smaller than the carrier bed. The seal pore throat breakthrough pressure or the distance to the spill point of the trap, whichever is less, determines
  1 KB (206 words) - 17:37, 27 January 2015
• Strike
  ...lly written as N25E, to distinguish it from dip, which is written 4S, 4SE, or 4 65SE.
  585 bytes (88 words) - 16:06, 11 September 2014
• AAPG Wiki:Governance documents
  ;Privacy policy: What one may or may not do with a user's data or behaviour. ;Copyrights: or '''Licensing''' — how people can use the content.
  3 KB (373 words) - 16:41, 31 July 2013
• Contour
  ...hores), differences between two seismic events or reflections (isochrons), or any variables that can be mapped.
  540 bytes (69 words) - 20:24, 27 March 2015
• Two- or three-dimensional interpretation
  #REDIRECT [[Seismic data: two- or three-dimensional interpretation]]
  68 bytes (7 words) - 16:05, 21 November 2014
• Asphaltenes
  ...remaining oil consists of saturates, aromatics, and nitrogen, sulfur, and/or oxygen (NSO) compounds.<ref name=Petersetal_2012>Peters, Kenneth E., David
  886 bytes (126 words) - 16:34, 25 June 2015
• AAPG Wiki:Wiki manager
  ...h static web content, but is more akin to the AAPG's nascent blog channel, or its membership engagement functions. ...ted, content-oriented, and technical. They don't have to be a geoscientist or even a petroleum professional, but it would help.
  2 KB (294 words) - 16:44, 22 July 2013
• Logging while drilling
  ...tion (look-ahead seismic profiles). Data can be transmitted to the surface or stored for later retrieval.
  2 KB (206 words) - 21:17, 3 December 2015
• Free water level
  ...m. It produces water only. Zero [[buoyancy pressure]] exists at this level or below.
  525 bytes (76 words) - 14:40, 8 September 2014
• Liptinite
  ...ured (e.g., [[resinite]], [[sporinite]], or [[cutinite]]) and unstructured or amorphous liptinites, sometimes called [[amorphinite]], can occur.<ref name
  788 bytes (102 words) - 19:51, 25 June 2015
• Trap systems: structural, stratigraphic, and fluidic
  The proposed classification scheme divides [[trap]]s into three main groups or systems, based on the controlling geologic element that created the trap: ...ure|syndepositional]] [[deformation]] or displacement of [[reservoir]] and/or [[seal]]ing units
  3 KB (405 words) - 17:44, 12 April 2022
• AAPG Wiki:General disclaimer
  ...of the Content and shall not have any liability whatsoever for any direct or consequential damages resulting from the use of any information obtained th ...this Web site or cited, used or discussed in AAPG copyrighted publications or in presentations at events associated with AAPG.
  4 KB (654 words) - 18:31, 2 August 2013
• Sidetrack
  ...entionally or may occur accidentally. A [[multilateral well|multilateral]] or [[multilevel well]] will have multiple intentional sidetracks drilled to pr
  1 KB (191 words) - 19:41, 3 March 2016
• Hydrocarbon column
  This term refers to a vertical measure of the reservoir or trap containing hydrocarbons.
  165 bytes (22 words) - 19:51, 14 April 2014
• Fault trap regime
  ...ows definitions and examples for the classes and subclasses of these traps or trapping elements. ...ne or more sides by normal faults. Rotation traps hydrocarbons along edges or in corners.
  5 KB (740 words) - 16:04, 13 April 2022
• Sand peel
  ...pture of details in sedimentary features for analysis away from the field, or for use in teaching.
  2 KB (239 words) - 19:40, 9 September 2014
• Deasphalting
  ...deasphalting is achieved by adding light hydrocarbons, such as [[pentane]] or [[hexane]], to the oil. A similar process can occur in nature when [[methan
  864 bytes (120 words) - 19:55, 25 June 2015
• AAPG Wiki:Users
  ==User types or roles== | '''Root''' || 3 || Login || No || All || The person or people who can log into the server and edit LocalSettings.php
  2 KB (294 words) - 16:01, 6 August 2013
• Pore systems
  ...ned [[sandston]]e might be classified as having intergranular mesoporosity or a [[limestone]] as having vuggy macroporosity. |Mega/macro || Clean, coarse sandstone or [[carbonate]] [[grainstone]] ||
  3 KB (442 words) - 13:52, 4 April 2022
• Types of diagenetic traps
  [[Diagenesis|Diagenetic]] traps occur in two basic categories: early or near-surface traps and late-burial traps. Early or near-surface diagenetic traps are created by the following:
  2 KB (294 words) - 21:01, 4 February 2022
• Hiatus
  A break or discontinuity in a process. An [[unconformity]] is the physical representa
  217 bytes (28 words) - 20:48, 25 August 2014
• Fluid-composition trap regime
  Fluid-composition traps are controlled by the physical or chemical properties of the trapped fluids themselves. The [[Wikipedia:Solub ...[[asphalt]], [[tar]]) or solid hydrocarbons ([[albertite]], [[gilsonite]], or [[grahamite]]). || ''Tar Seals'' || ''Bacterial degradation;'' Updip tar se
  3 KB (402 words) - 16:31, 13 April 2022
• Syncline
  ...ts such as tilting or faulting, among others, a fold should have its crown or crest as the [[anticline]] and the trough of its structures as the syncline ...olded. This is the best term used to describe it rather than “downward arc or trough of a fold” this is because due to events when strata has been over
  3 KB (505 words) - 15:58, 21 March 2019
• Fold
  ...[[uplift]]. Folds are expressed in [[seismic reflection profile]]s as one or more regions of dipping reflections ([[dip]] domains) that correspond to in ...hether or not the thickness of stratigraphic layers changes in dip domains or across axial surfaces.
  3 KB (495 words) - 15:09, 18 January 2016
• Petroleum system identification
  ...leum system. An oil or gas seep, a show of oil or gas in a well, or an oil or gas [[accumulation]] demonstrates the presence of a petroleum system.
  2 KB (298 words) - 18:35, 25 January 2022
• How different structural philosophies govern techniques
  ...al geology, and various university departments and E&P companies favor one or another in their courses and approaches to problem-solving. The major appro * Detailed geometric and/or kinematic studies
  3 KB (422 words) - 20:17, 3 February 2022
• Paleogeography and prospect identification
  ...l analysis of clastic depositional systems#Shoreline deposits|shorelines]] or [[reef]]s. Mapping thickness of reservoir-quality rocks is also useful for ...ial for containing reservoir rocks, i.e., [[Third-order sequences|lowstand or highstand]], using biostratigraphic markers and regional correlation surfac
  4 KB (491 words) - 14:27, 21 March 2022
• Paleontologic data
  ...tratigraphic correlation and age determination|biostratigraphic analysis]] or in a geographic array for [[Paleoenvironmental analysis|evaluating paleoenv * Records of species present or absent
  2 KB (268 words) - 15:18, 31 January 2022
• Paleocurrent
  [[file:1024px-WaveRipple.JPG|thumb|300px|Wave ripple or symmetric ripple, from Permian rocks in Nomgon, Mongolia. Photo by [https:/
  372 bytes (51 words) - 22:00, 17 March 2015
• Isochron
  Time interval (or isotime or isochron) maps are commonly used for interpreting changes in thickness betw
  1 KB (135 words) - 14:13, 24 November 2015
• Bend
  ...]], in which the well path is designed to change orientation from vertical or high-angle to horizontal.
  1 KB (173 words) - 15:33, 16 March 2016
• Build rate
  ...ough the bend (curve) from vertical or high-angle to the desired low-angle or horizontal attitude.
  1 KB (174 words) - 19:33, 3 March 2016
• Molecular parameter data for oil–oil and oil–source rock correlations
  ...e or on the relative or absolute abundance of specific molecules in an oil or a [[source rock]] extract. ...can be obtained. In addition to correlating an oil directly to another oil or to a source rock extract, certain molecular parameters can be used to estim
  2 KB (294 words) - 21:02, 15 February 2022
• Basement
  Basement is rock below a sedimentary cover, often [[igneous]] or metamorphic. It is generally not of interest in exploration for oil and ga
  264 bytes (40 words) - 15:52, 10 March 2016
• Limitations of quantitative fault seal analysis
  ...ale]] sequences. It is not applicable to massive [[carbonate]], [[chert]], or sandstone reservoirs. It has yet to be tested in interbedded shale–carbon ...th which a seal can be risked is thus much greater in a production setting or mature basin than it is in a frontier setting.
  3 KB (398 words) - 17:35, 29 March 2022
• Extended-reach wells
  ...refers to wells restricted to a platform or pad (because of environmental or economic contraints) that are attempting to access reserves at a significan
  1 KB (186 words) - 19:42, 3 March 2016
• AAPG Wiki:Ease of use
  ...erences, journals or ability to cut and paste an equation macro into excel or other applications *'''Printing''' - make it easy to print entire articles or selected subsets
  2 KB (266 words) - 15:49, 6 August 2013
• Trap classification levels
  ...eologic element || Dominant control of the trap—structural, stratigraphic, or fluidic. ...sses? If the trap is fluidic, was closure formed by pressure, temperature, or chemical processes?
  5 KB (665 words) - 18:47, 12 April 2022
• Petroleum system naming
  A unique designation or name is important to identify a person, place, item, or idea. As geologists, we name rock units, fossils, uplifts, and basins. The | A positive [[Oil-oil and oil-source rock correlation|oil-source rock]] or gas-source rock correlation
  3 KB (367 words) - 18:35, 25 January 2022
• Fracture traps
  ...he structural system because fractures are a result of [[deformation]] and/or displacement and therefore are structural in nature. ...ractured rock or by change from open, permeable fractures to cement-filled or narrow-aperture, low-permeability fractures.
  3 KB (461 words) - 16:04, 13 April 2022
• Quantitative paleoenvironmental analysis
  ...into clusters. The results of the cluster analysis show faunal groupings, or ''biofacies'', which are often characteristic of specific environments. [[: ...r geologic data to determine or evaluate specific paleoenvironmental zones or settings.
  4 KB (493 words) - 20:00, 31 January 2022
• 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
• Interpreting hydrocarbon shows
  ...indications of hydrocarbons—seen in [[drilling fluid]]s, cuttings, cores, or formation tests—may be of several types:<ref name=ch09r55>Schowalter, T. | Continuous phase || Trapped oil or gas || A slug or filament of oil or gas with a continuous connection through the pore network of a rock
  8 KB (1,130 words) - 17:09, 5 April 2022
• Pressure trap regime
  ...[[pressure gradient]]s to [[Overpressure causes|overpressure]]s can create or destroy [[Pressure compartment seals|pressure seals]] and create isolated [ | Tilted oil–water contacts; Boundary defined by tilted oil–water or gas–water contact. || colspan = 2 | Hydrodynamic traps; Tilted hydrocarbo
  3 KB (331 words) - 16:30, 13 April 2022
• Natural-gas liquids
  ...at natural-gas processing plants are called [[natural-gas plant liquids]] or [[liquefied petroleum gasses]] and consist primarily of ethane, propate, bu ...o obtain. The total amounts of NGL, or of the lease condensate production, or both, are commonly reported as part of the [[crude oil]] production, and wh
  4 KB (549 words) - 16:31, 25 June 2015
• Reservoir system
  ...uilibrium with a [[free water level]] (zero buoyancy pressure). It has one or more containers and is located below a seal. ...ble rock 100% saturated with water. It has one or more containers that may or may not be shared with a reservoir.
  4 KB (579 words) - 14:34, 1 April 2022
• Diagenetic impact on traps
  ...acies or paleostructure. However, if [[diagenesis]] does not follow facies or paleostructure, then the exploration and exploitation risk increases becaus
  2 KB (297 words) - 21:06, 3 February 2022
• Preparing to go to the field
  ...ning about the formations in the study area—even driving the seismic lines or flying over the area. ...in the necessary permissions from owners and/or authorities to access land or airspace. It's a good idea to get permissions in writing and carry them wit
  5 KB (730 words) - 22:36, 1 February 2022
• Seal failure prediction
  ...lace through micropermeable lithologies ([[Micropermeable seal leakage]]), or gas is diffused ([[Diffusive seal leakage]]). The most likely mechanism is ...ure|fracturing]] during [[deformation]] or by cumulative micropermeability or [[Diffusive seal leakage|diffusive seal loss]].
  4 KB (571 words) - 18:06, 1 February 2022
• Agglutinated microfossils
  ...e of stratigraphically significant agglutinated microfossil: agglutinated, or arenaceous, foraminifera. ...orms may include silt or sand grains, [[glauconite]], [[sponge spicule]]s, or even other foraminiferal tests. Some species are highly selective in the ma
  4 KB (468 words) - 15:16, 31 January 2022
• Diagenetic trap regime
  ...to postdepositional diagenetic processes, which can create new reservoirs or new seals. ...d_flow_characterization#Dissolution_and_associated_processes|dissolution]] or [[Carbonate_reservoir_models:_facies,_diagenesis,_and_flow_characterization
  5 KB (645 words) - 16:14, 13 April 2022
• Functions of a petroleum landman
  ...the case of an independent landman, the functions vary depending upon his or her area of specialization. Generally, these functions can be divided into ...ades, well trades, joint venture agreements, creation of partnerships, and/or acquisition of entities.
  5 KB (759 words) - 19:25, 19 January 2022
• EMD Tight Oil & Gas Committee Annual Reports
  ...l session focused on the committee’s area of interest at an annual, region or section meeting of the AAPG; * (c) technical paper presented at an oral or poster session of an AAPG meeting, with slide deck published on Search and
  3 KB (417 words) - 20:29, 20 September 2022
• Gravity data processing
  ...ues over deep ocean basins because of variations in the crustal thickness, or ''[http://www.hko.gov.hk/education/edu06nature/ele_isostasy_e.htm isostasy] * Upward or downward continuation—a process that attenuates or deattenuates data to simulate what might be observed at different vertical
  4 KB (519 words) - 14:16, 31 January 2022
• Predicting hydrocarbon recovery
  ...l ([http://www.enggcyclopedia.com/2012/03/gas-oil-ratio-gor/ gas-oil ratio or GOR]). For example, if a well has a GOR of 1,000, then B_oi = 1. ==Estimating recoverable volume of oil or gas==
  5 KB (691 words) - 17:10, 5 April 2022
• Postprimary migration and compositional changes
  ...tion path; (2) mixing [[migration]] streams from two or more source rocks; or (3) precipitation of [[asphaltenes]] and other high-molecular-weight compou ...mum probability of interactions. However, if the petroleum moved as a slug or filament, contact with elements that could alter its composition would be m
  5 KB (694 words) - 15:17, 14 February 2022
• Phases of a seismic project
  ...ruined by sloppy acquisition methods. Common culprits are poor positioning or cabling information (i.e., which receivers are live for which shots). For m ...n acquisition footprint. One should avoid footprints because they can mask or confuse geologic patterns in the data.
  3 KB (455 words) - 22:00, 25 January 2022
• Special field techniques
  ...ds or lithologic horizons on well logs, separated by distance, as the same or correlative interfaces in the earth), particularly when significant distanc ...ing, thick vegetation, and/or thin [[alluvial]] cover. A seismic shot hole or water well drilling rig can be strategically positioned for collecting such
  3 KB (412 words) - 22:40, 1 February 2022
• Maturation
  ...ecting its [[Thermal history|thermal]] and [[burial history]]. This change or maturation is measured and can be combined with quality and richness data t ...ed from most maturation indices is dependent on the type of organic matter or material being analyzed.
  3 KB (421 words) - 18:26, 9 February 2022
• Reservoir drive mechanisms
  * Rock or compaction drive ...reservoir and has a much larger volume than the reservoir (about 10 times) or is in communication with surface recharge. A strong water drive is more eff
  7 KB (1,052 words) - 18:45, 1 April 2022
• Selling a structural play
  ...to be accepted, we must construct a coherent explanation of the mechanics or tectonics responsible for creating the play. Such explanations can be any o * Appropriate physical and/or mechanical models that clarify the structure's development
  5 KB (738 words) - 15:58, 2 February 2022
• Drilling problems
  ...Typically, a dogleg is caused by a change in the [[dip]] of the formation or by a change in the weight applied to the bit. Severe doglegs can result in ...ally form as a result of dog legs. A ''key seat'' is formed when a channel or groove is cut in the side of the hole, parallel to the axis of the hole. Th
  5 KB (732 words) - 21:18, 19 January 2022
• Economics: fundamental equations for oil and gas property evaluation
  ==Profit or loss equation== ...of any business venture can be expressed as the difference (either profit or loss) between revenue and costs. In other words,
  6 KB (842 words) - 19:26, 19 January 2022
• Paleogeography
  ...]. Once an [http://en.wiktionary.org/wiki/isochronous isochronous] surface or coeval interval is identified, paleogeography can be reconstructed by integ
  2 KB (242 words) - 15:48, 1 March 2022
• Scientific method
  The logic sequence, or ''scientific method'', has been the basis of scientific work since the time # Test predictions by observing occurrences or nonoccurrences of the predicted phenomena.
  3 KB (380 words) - 14:31, 18 February 2022
• Laurentia
  ...million years or so. Continents can grow when two plates collide, welding, or accreting, the two pieces together. Continents also grow when [[oceanic cru
  2 KB (248 words) - 22:12, 3 December 2015
• Predicting preservation and destruction of accumulations
  ...Other accumulations, however, may be destroyed. Several processes deplete or destroy hydrocarbon accumulations. In many prospects it is not enough just ...lossary.oilfield.slb.com/en/Terms/n/natural_gas.aspx gas] has been diluted or altered so that [[accumulation]]s are no longer economic.
  5 KB (782 words) - 22:36, 31 January 2022
• Designing a surficial geochemical survey
  * Anticipated target size and shape of the anomaly (or geologic target) * Ability to sample along (and/or between) key [[seismic line]]s
  6 KB (826 words) - 17:33, 25 January 2022
• Pore system shapes
  * [[Bored or burrowed]] | Pores are irregularly distributed and can be either poorly or very well connected
  4 KB (528 words) - 13:53, 4 April 2022
• EMD Tight Oil & Gas Committee
  ...d and developing plays in U.S. and international basins. Tight oil and gas or “shale” resources have been the focus of extensive development over the ...nual and commodity reports as needed; stand-in for the chair at leadership or other call-ins/meetings when the chair is unavailable; assist with other co
  4 KB (570 words) - 20:56, 6 April 2021
• Structural lead and prospect delineation
  * Storage capacity (structural degradation or enhancement effects) * Deliverability (structurally induced enhancement or degradation of [[permeability]])
  4 KB (511 words) - 18:50, 3 February 2022
• Scientific method: application to exploration
  | 6 || Accept, modify, or reject the hypothesis || Drilling another wildcat well Promoting a well to ...oblem (objective) of an exploration effort is to find large amounts of oil or gas cheaply.
  6 KB (808 words) - 15:30, 18 February 2022
• Source rock
  A '''source rock''' is a rock that is capable of generating or that has generated movable quantities of [[hydrocarbon]]s. ...rock is present. If so, then we ask, “How good is it? Will it generate oil or gas? Has it generated hydrocarbons already?” To answer these questions, w
  4 KB (569 words) - 21:38, 4 February 2022
• Hydrocarbon migration
  ...[Tertiary migration]] occurs when petroleum moves from one trap to another or to a seep.<ref name=Petersetal_2012>Peters, Kenneth E., David J. Curry, and ...he hydrocarbons laterally up [[dip]] through underlying beds to a [[trap]] or spill point. Lateral migration is also facilitated by meteoric groundwater
  6 KB (865 words) - 14:33, 6 April 2016
• Combination trap
  ...the trap belongs to one system or another is quite blurred. Traps with two or more trapping elements are called combination traps. ...e classified informally as (1) a hydrodynamically modified anticlinal trap or as (2) a hydrodynamic/anticlinal trap.
  4 KB (538 words) - 18:47, 12 April 2022
• Diagenesis
  ...of a sediment after deposition.It can have important effects in decreasing or enhancing [[porosity]] and [[permeability]].
  691 bytes (74 words) - 16:13, 22 October 2014

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