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• 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

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