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• Hydrodynamics
  ...ertical component to their movement but, on a basinwide scale, the lateral flow component is of major concern. ...ometric surface for hydrodynamic updip and downdip flow and hydrostatic no flow. From Schowalter;<ref name=Schowalter1979>Schowalter, T. T., 1979, [http://
  5 KB (658 words) - 22:04, 17 February 2022
• Migration by separate phase
  ...separate-phase migration: formation of small free hydrocarbon masses, slug flow, cosolution, and compositional changes due to phase changes. ==Slug flow in primary migration==
  8 KB (1,155 words) - 15:17, 14 February 2022
• Carbonate porosity formation and preservation
  ...]] related). Deep diagenetic processes can be both fabric selective (fluid flow through interparticle or intercrystalline pores) or nonfabric selective (co ...of quality, points plotting along the contours represent rocks with equal flow characteristics (''see'' [[Characterizing rock quality]]). With the excepti
  5 KB (708 words) - 17:27, 5 December 2023
• Pc curves and saturation profiles
  ...proximated using the [[capillary pressure]] (P_c) curves for the flow units it contains. The data in a P_c curve can be converted to gi * An estimate of [[buoyancy pressure]]s required to enter the pore throats of flow units.
  5 KB (752 words) - 16:53, 4 April 2022
• Production histories
  ...decline can be used effectively to forecast future performance. The log of flow rate is plotted versus time. In [[:file:production-histories_fig1.png|Figur where ''q''_a = abandonment flow rate
  11 KB (1,656 words) - 18:41, 20 January 2022
• Magnetotellurics survey measurements
  ...ary H-field (an AC signal) switches polarity, a secondary E-field (current flow) is generated in the subsurface. Thus, the horizontal E-field data provides ...a car. An alternating or spinning magnetic field (H-field) sets up current flow in the wire windings in the alternator, which in turn charges the battery.
  4 KB (519 words) - 19:57, 27 January 2022
• Geothermal gradient
  ...or degrees Fahrenheit per 100 feet. Gradients are sensitive to basal heat flow, lithology, circulating groundwater, and the cooling effect of drilling flu
  901 bytes (127 words) - 19:53, 25 June 2015
• Seal capacity of breached and hydrocarbon-wet seals
  ...the process is not completely understood, laboratory studies suggest that flow continues until the hydrocarbon column shrinks to half its original height. * [[Saturations required for hydrocarbon flow]]
  5 KB (693 words) - 14:23, 1 April 2022
• East Breaks petroleum geology
  ...al_systems#Deep_water_marine_deposits|Slope basin]] [[Gravity flow|gravity-flow]] sands are the principal reservoir target in the High Island–East Breaks The [[gravity]]-flow sands were transported and deposited within sea-floor physiographic lows be
  4 KB (494 words) - 13:44, 5 December 2023
• Flow units for reservoir characterization
  | chapter = Flow units for reservoir characterization ...r., 1987, [http://archives.datapages.com/data/browse/aapg-bulletin/1987/5/ Flow unit concept—integrated approach to reservoir description for engineering
  16 KB (2,282 words) - 20:46, 19 January 2022
• Production testing
  ...mhole pressure, (3) an indication of well productivity, and (4) short-term flow and pressure buildup tests from which [[permeability]] and the extent of da ...he mud column in the annulus. When the tool is opened, reservoir fluid can flow into the drill pipe (and possibly to the surface); pressure is recorded con
  14 KB (2,165 words) - 18:42, 20 January 2022
• Hydrocarbon migration
  * How is cross-formational flow of hydrocarbons accomplished? ...on-driven water generally are too slow to significantly affect hydrocarbon flow.
  6 KB (865 words) - 14:33, 6 April 2016
• Production logging
  ...owmeter, and fluid identification logs) and (2) those designed to evaluate flow quantitatively. Often combinations of these logs are required to be effecti ===Flow detection in and around pipe===
  12 KB (1,726 words) - 16:48, 20 January 2022
• Surface production equipment
  ...small orifice, usually from 1/8 to 3/4 in. in diameter, that restricts the flow rate. The flow rate from either an oil well or a gas well can be easily estimated from the
  9 KB (1,343 words) - 18:42, 20 January 2022
• Pore throat size and connectivity
  Even very large pores contribute nothing to fluid flow unless they connect to other pores. Connectivity increases with the size of How do pore shape, pore throat size, and pore throat abundance affect the flow dynamics of a reservoir? Visualize a room with a door in each wall. The num
  4 KB (650 words) - 14:23, 4 April 2022
• Pore system fundamentals
  ...on, E. B., S. M. Goolsby, and M. H. Franklin, 1994, Subtle seals and fluid-flow barriers in carbonate rocks, in J.C. Dolson, M.L. Hendricks, and W.A. Wesco ...is controlled by the size and number of pores. A rock's [[permeability]] (flow capacity) is controlled by the size, shape, and number of the pore throats
  3 KB (388 words) - 13:52, 4 April 2022
• Hydrodynamics: change in configuration
  ...the [[dip]] of the [[reservoir]]-[[seal]] interface on the down-potential (flow downdip) side of the trap, the [[accumulation]] will spill downdip. If petr ...of [[accumulation]]s under hydrostatic conditions. If present hydrodynamic flow affects [[fluid contacts]] of reservoirs [[Calculating charge volume|charge
  5 KB (625 words) - 15:31, 1 February 2022
• Migration rate calculation
  ...ks with tube-shaped pore systems; however, it is only an approximation for flow in rocks with high percentages of [[clay]]s, like [[shale]]s, due to the pl ...arbon migration path will trap hydrocarbons and make continued hydrocarbon flow updip less likely.
  4 KB (618 words) - 19:40, 14 February 2022
• Hydrology and sandstone diagenesis
  ...., Clastic Diagenesis: AAPG Memoir 37, p. 3–14.</ref> lists three types of flow of water in a basin: * '''Meteoric flow'''—water infiltrates shallow portions of a basin from precipitation or su
  6 KB (787 words) - 13:43, 6 April 2022
• Relative permeability
  ...er and oil or gas in varying amounts. Each interferes with and impedes the flow of the others. The aquifer portion of a reservoir system by definition cont ...w</sub> decreases and the effective size of the pore throat for oil or gas flow (B) increases.]]
  9 KB (1,351 words) - 13:31, 5 April 2022

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