Search results

Jump to navigation Jump to search
Results 1 – 102 of 202
Advanced search

Search in namespaces:

  
  
  
  
  
  
  
  
  
  

Page title matches

  • Subduction zone
    ...nd basins attract the minds of geologists. The profound role of subduction zone emerges as methods in geophysics reveal the structure and composition of ma ...ove inside the Earth. According to the types of involved crust, subduction zone has two separate types: island-arc and active [[continental margin]] (ACM).
    27 KB (4,033 words) - 20:52, 27 March 2019

Page text matches

  • Shale gouge ratio
    ...ach reservoir zone can be related to the clay content and thickness of the zone. The corresponding equation is (see [[:File:Shale-gouge-ratio-fig3.png|Figu <math>\text{SGR} = \frac{\Sigma [(\text{zone thickness}) \times (\text{zone clay fraction})]}{\text{fault throw}} \times 100%</math>
    3 KB (473 words) - 20:04, 11 March 2015
  • Seepage activity and surficial geochemistry
    ...ocarbon seepage may only be detectable near major leak points or below the zone of maximum disturbance. ...mical-exploration-for-petroleum_fig18-2.png|300px|thumb|{{figure number|1}}Zone of maximum disturbance in shallow marine sediments. From Abrams;<ref name=c
    4 KB (482 words) - 21:00, 31 January 2022
  • How fault zones affect seal
    ...and-rich portions of the fault zone leak; shale-rich portions of the fault zone seal. Given the complex structure and composition of fault zones and the ma ...ging wall]] have been incorporated as discontinuous fragments in the fault zone. The coal, however, is intensely fractured, reflecting [[Brittleness|brittl
    4 KB (509 words) - 16:52, 29 March 2022
  • Early carbonate diagenesis
    Each zone has characteristic cement textures and alteration features. The sequence of * Active marine zone where water flow combined with other factors result in precipitation of ara
    10 KB (1,352 words) - 19:07, 6 April 2022
  • Sequences during moderate-amplitude, high-frequency cycles
    ==Arid zone characteristics== ==Humid zone characteristics==
    5 KB (674 words) - 21:22, 6 April 2022
  • Sequences during low-amplitude, high-frequency cycles
    ==Arid zone characteristics== ==Humid zone characteristics==
    5 KB (708 words) - 21:00, 6 April 2022
  • Reservoir system
    ...m has three main components: a [[reservoir]], an aquifer, and a transition zone (interface) between the two. * A '''transition zone''' is the interval of rock separating the reservoir from the aquifer; it is
    4 KB (579 words) - 14:34, 1 April 2022
  • Trip
    ...because the old one is worn down, or because the well is about to enter a zone whose conditions require a different bit type. This process of puling all
    450 bytes (82 words) - 13:57, 12 March 2019
  • Water saturation distribution in a reservoir
    .../sub> distribution curves for several flow units for a hydrocarbon-bearing zone in a well. ...]. Above the transition zone, BVW is fairly constant. Below the transition zone, BVW is variable.
    5 KB (687 words) - 17:09, 5 April 2022
  • Dip-sealing fault
    ...oil and gas are trapped against the fault and have not leaked up the fault zone. ...|1}}Oil and gas trapped against the fault and have not leaked up the fault zone.]]
    2 KB (248 words) - 17:04, 28 March 2022
  • Free water level
    ...t the base of a [[hydrocarbon column]] and the [[Fluid contacts|transition zone]]. Above this level, the reservoir produces water alone, hydrocarbon and wa
    525 bytes (76 words) - 14:40, 8 September 2014
  • Bioturbation
    ...ment; vertical burrows may indicate shallow water, specifically the tidal zone, because the organisms moved up and down in the substrate as the tide ebbed
    907 bytes (132 words) - 21:42, 18 September 2014
  • Mohorovicic discontinuity
    A zone that separates the Earth's [[crust]] from the underlying [[mantle]]. The Mo
    729 bytes (103 words) - 15:49, 4 December 2015
  • Sequences during high-amplitude, high-frequency cycles
    ==Arid zone characteristics== ==Humid zone characteristics==
    6 KB (761 words) - 13:47, 7 April 2022
  • Carbonate facies
    * A seaward zone below normal wave base * A zone where wave energy interacts with sediment
    3 KB (433 words) - 18:32, 6 April 2022
  • Carbonate diagenetic stages
    ...sses. Even though the eogenetic substage may be geologically brief and the zone thin, the [[diagenesis]] that occurs is more varied and generally more sign ...and erosion occurs along [[Unconformity|unconformities]]. The telogenetic zone extends from the surface to the point where surface processes no longer inf
    6 KB (727 words) - 19:06, 6 April 2022
  • Interpreting hydrocarbon shows
    ...The table below lists ways to distinguish transition zone shows from waste zone shows (after Schowalter and Hess<ref name=ch09r55 />). ...are no longer connected in a column but are isolated in pores. A DST of a zone with residual hydrocarbons produces no oil or gas, and an RFT would not sho
    8 KB (1,130 words) - 17:09, 5 April 2022
  • Spontaneous potential logs in water resistivity calculation
    ...ub>w</sub> can be measured from a sample of formation water taken from the zone of interest at the well site or a nearby well, or it can be calculated usin ...t [[length::20 ft]] thick. (A bed thickness correction is necessary if the zone SP is measured from is less than [[length::20 ft]] thick.)
    6 KB (1,027 words) - 16:40, 5 April 2022
  • Fault seal quantitative prediction: shale smear factor, shale gouge ratio, and smear gouge ratio
    ...from the source bed and the compound nature of the clay smear in the fault zone. (No scale on original figure.) ...hickness of each reservoir zone and Vcl is the clay volume fraction in the zone.]]
    8 KB (1,307 words) - 16:05, 14 December 2016
  • Tmax
    ...sis techniques have different cutoffs for pyrolysis oil and gas generation zone boundaries. Pyrolysis T<sub>max</sub> can be significantly different for ty ! Hydrocarbon generation zone || Rock-eval pyrolysis T<sub>max</sub>, °c
    3 KB (411 words) - 21:19, 9 February 2022
  • Archie equation
    ...log parameters, the [[water saturation]] (S<sub>w</sub>) of the uninvaded zone in a formation next to a borehole. The Archie equation can be expressed as * S<sub>w</sub> = water saturation of the uninvaded zone
    5 KB (703 words) - 13:52, 5 April 2022
  • Growth fault
    ...one causes normal faults each pair. The process of formation of fault rift zone is typically a part of the formation of sedimentary basins. Initial sedimen
    4 KB (630 words) - 18:28, 2 April 2019
  • Seismic inversion
    ...The heavy trace in the center is a sonic log from the producing well. The zone of interest is at 1150 msec. ...version_fig4.png|{{figure number|4}}A schematic diagram of a river channel zone. Copyright: the Taber area of southern Alberta. The 3-D survey was done in
    8 KB (1,196 words) - 18:48, 21 January 2022
  • Vertical and lateral seismic resolution and attenuation
    ...ft]] at a depth of [[depth::5000 ft]]. As with the wavelength, the Fresnel zone size also increases rapidly with depth. [[Seismic migration]] effectively collapses the in-line aspect of the Fresnel zone, so this measure of resolution is not appropriate with the migrated seismic
    8 KB (1,164 words) - 20:24, 21 January 2022
  • Dip-leaking fault
    ...igher permeability than the wall rock will refract flow lines up the fault zone. Pressure differences along and across faults can also cause down-dip flow
    8 KB (1,130 words) - 17:14, 28 March 2022
  • Accumulation
    ...carbon accumulation forms when migrating hydrocarbon filaments encounter a zone (the seal), either laterally or vertically, with pore throat sizes smaller
    1 KB (206 words) - 17:37, 27 January 2015
  • Buckles plot
    ...n a Buckles plot where the formation falls below the top of the transition zone.
    1 KB (183 words) - 18:19, 26 March 2015
  • Well planning
    * How will the target zone(s) be evaluated? * Anticipated pay zone(s)
    6 KB (779 words) - 15:09, 24 January 2022
  • Three-dimensional seismic method
    ...et zone and the aperture size required for adequate imaging of that target zone.<ref name=pt07r64>Yilmaz, O., 1987 Seismic Data Processing: Society of Expl ...migrated section that are easily correlated with reflections outside that zone. When we do 2-D migration, we confine the movement of the energy into the p
    8 KB (1,201 words) - 20:24, 21 January 2022
  • Log interpretation: initial quick scan
    ...nd water in a formation. These estimated quantities are used to evaluate a zone and to determine whether a well completion attempt is warranted. As importa
    4 KB (543 words) - 14:11, 21 August 2014
  • Water resistivity determination
    ...which is required for the calculation of water saturation in the uninvaded zone. The equation that relates the SSP to measurable quantities, namely, ''R''< ...e SP is outlined as follows. The data required include the SP, the invaded zone resistivity, the formation temperature, and the mud and mud filtrate resist
    13 KB (2,077 words) - 17:26, 18 January 2022
  • Hydrostatic pressure-depth plot construction
    ...hydrostatic pressure gradient to determine the expected pressures for the zone of interest as if it had no hydrocarbons. Pressures exceeding hydrostatic p ...than the hydrostatic gradient that may correspond to a hydrocarbon-bearing zone. A hydrostatic pressure–depth plot can be constructed from any of the fol
    7 KB (895 words) - 18:57, 16 February 2022
  • Fault seal breakdown during production
    ...pressure will ultimately exceed the [[displacement pressure]] of the fault zone and the fault will [[Cross-leaking faults|cross-leak]].<ref name=ch10r76>Sm ...e differential (AP) increases until the displacement pressure of the fault zone is exceeded and the fault begins to cross-leak. A fault in the Beryl field
    4 KB (530 words) - 15:21, 30 March 2022
  • Hydrostatic pressure gradient
    ...hydrostatic pressure gradient to determine the expected pressures for the zone of interest as if it had no hydrocarbons. Pressures exceeding hydrostatic p
    2 KB (207 words) - 18:56, 16 February 2022
  • Workovers
    * Well pressure may be a primary consideration. If the open zone has experienced significant depletion, the circulation of fluids becomes di ...and (2) work done to shut off the existing zone in favor of opening a new zone, termed a ''recompletion''.
    12 KB (1,834 words) - 15:25, 24 January 2022
  • Overpressure and hydrocarbon distribution, Gulf Coast
    ...hydrocarbons are found near or slightly above the top of the overpressured zone. The chance of success is reduced by 90–95% at depths of 2,000–5,000 ft
    4 KB (605 words) - 20:30, 30 March 2022
  • Quantitative fault seal analysis
    ...ealing behavior of faults and the inferred sand–shale content of the fault zone.<ref name=ch10r7>Bouvier, J., D., Kaars-Sijpesteigen, C., H., Kluesner, D., ...R). A fault cross-seals or dip-seals if the sand–shale ratio is low in the zone (low SGR).
    9 KB (1,327 words) - 16:32, 29 March 2022
  • Seal failure prediction
    ...zed by a zone of residual petroleum saturation thicker than the transition zone predicted by [[capillary pressure]] tests. Shows in traps that have leaked
    4 KB (571 words) - 18:06, 1 February 2022
  • Diagenetic traps: criteria for recognition
    ...ationship between present-day depth and hydrocarbon production for a given zone ...strata form the [[lateral]] seal. The sinuous updip edge is a large waste zone that contains live oil shows in microporous strata, indicating the [[accumu
    5 KB (611 words) - 21:06, 4 February 2022
  • Vitrinite reflectance
    Oil and gas zone boundaries can be established using vitrinite reflectance data. The boundar ...retation of the mean value would place this sample past the oil generation zone. The true reflectance of the indigenous vitrinite in this sample is 0.7% R<
    7 KB (970 words) - 14:28, 10 February 2022
  • Main Central Thrust
    ...</ref>. Generally speaking, the Main Central Thrust is the ductile [[shear zone]], along which the Great Himalayan Crystalline complex was placed over the ...al Thrust; STD: the Southern Tibetan Detachment; ITS: Indus-Tsangpo suture zone.]]
    10 KB (1,434 words) - 15:39, 20 January 2016
  • Paleobathymetry
    ==Zone distinctions== ! Depth zone
    7 KB (921 words) - 18:09, 24 January 2022
  • Sea level cycles and climate
    ...m. This is contrasted to cooler water carbonate settings where the photic zone extends to [[length::100 m]] or deeper. Tropical carbonate faunal assemblag | Photic zone depth || 20–30 m || 100 m+
    7 KB (894 words) - 20:54, 6 April 2022
  • Borehole gravity applications: examples
    ...fference in density at the arrow is caused by a remote higher [[porosity]] zone not detected by the gamma-gamma density log. The broader difference anomaly ...e oil has a gas cap. Frequently, these reservoirs have an underlying water zone. The shape of these interfaces over time is critical to production strategy
    11 KB (1,596 words) - 18:08, 24 January 2022
  • Pc curves and saturation profiles
    ...bon column]]. Macropore reservoirs have little or no saturation transition zone. ...he rock in container 2 is macroporous. Container 1 has a longer transition zone than container 2 because of this. Both containers have the same buoyancy pr
    5 KB (752 words) - 16:53, 4 April 2022
  • 2014 wiki write off
    * [[Subduction zone]]
    2 KB (257 words) - 19:24, 27 July 2015
  • Stratigraphically complex fields
    |   Lacustrine shore zone and delta ...s fluid relationships (such as a gas zone underlying an oil zone or an oil zone downdip of water)
    8 KB (983 words) - 20:49, 19 January 2022
  • Oil and condensate analysis
    | Producing zone oil or new zone | New oil (zone) or same oil
    14 KB (2,013 words) - 16:48, 20 January 2022
  • Seismic data
    ...8/1150/1185.htm Three-dimensional seismic interpretation from the triangle zone of the frontal Ouachita Mountains and Arkoma basin, Pittsburg County, Oklah ...wton, D., C., Spratt, D., A., 1996, Seismic interpretation of the triangle zone at Jumping Pond, Alberta: Bulletin of Canadian Petroleum Geology, vol. 44,
    5 KB (712 words) - 21:27, 2 February 2022
  • Subduction zone
    ...nd basins attract the minds of geologists. The profound role of subduction zone emerges as methods in geophysics reveal the structure and composition of ma ...ove inside the Earth. According to the types of involved crust, subduction zone has two separate types: island-arc and active [[continental margin]] (ACM).
    27 KB (4,033 words) - 20:52, 27 March 2019
  • Density-neutron log porosity
    ...m density–neutron logs when the two logs record different porosities for a zone, use one of the methods listed below. ...as reservoir, Point 3 to be in light oil reservoir, and Point 4 to be in a zone with residual oil.
    12 KB (1,763 words) - 16:18, 5 April 2022
  • Production Index (PI)
    ! Production index || [[Petroleum generation|Generation]] zone
    3 KB (364 words) - 16:10, 10 February 2022
  • Fluid contacts
    ...splacement pressure]] (DP) on the capillary pressure curve. The transition zone is the interval with co-production of water and hydrocarbons. The fraction ...The ''[[What is a reservoir system?#Waste and transition zones|transition zone]]'' is the elevation range in which water is coproduced with hydrocarbons.
    19 KB (2,690 words) - 21:20, 19 January 2022
  • Well log analysis for reservoir characterization
    ...perties of rocks. This method is very useful to detect hydrocarbon bearing zone, calculate the hydrocarbon volume, and many others. Some approaches are nee ...he “fish diagram”. There are many techniques to find a hydrocarbon bearing zone, the user may use RHOB-NPHI cross over (with some corrections), reflectivit
    25 KB (3,679 words) - 21:17, 13 March 2019
  • Spore coloration and thermal alteration indices (SCI and TAI): usage
    ...teration index (TAI) || Pyrolysis [[Tmax]] (°C) || Generalized hydrocarbon zone
    3 KB (335 words) - 14:39, 10 February 2022
  • Apatite fission track analysis
    ...f the remaining tracks would have formed since the uplift to a temperature zone less than or equal to the [[temperature::60&deg;C]] to [[temperature::70&de
    7 KB (994 words) - 21:38, 4 February 2022
  • Standard interpretation
    ...associated with a clean reservoir having no shale (GR<sub>cl</sub>) and a zone of 100% shale (GR<sub>sh</sub>). ...se associated with a clean reservoir with no shale (SP<sub>cl</sub>) and a zone of 100% shale (SP<sub>sh</sub>). The response equation is
    25 KB (3,776 words) - 19:53, 18 January 2022
  • Niobrara & Codell of the Denver-Julesburg Basin
    ...ontaining many small shale drapes and cross beds, and an upper bioturbated zone. It conformably grades into the lowest-most member of the Niobrara Formatio ...d with ggplot2 (Wickham, 2016). Total oil and gas produciton broken out by zone and state are shown in Figures 2 and 3.
    9 KB (1,412 words) - 21:46, 3 March 2022
  • Perforation design
    ...ill allow the communication of fluids to form between the wellbore and pay zone. In this topic, there are many factors to be considered in order to have a * Limited entry perforation: A restriction of perforation based on the target zone’s thickness, stresses, and number of layers.
    12 KB (1,786 words) - 21:02, 21 April 2022
  • Condensate banking effect
    ...observed further away from the wellbore. No condensate is present in this zone and only gas is mobile. * Condensate Buildup Zone: (Zone 2) As we move closer to the wellbore, the reservoir pressure is now below t
    21 KB (3,040 words) - 15:22, 12 December 2022
  • Petrophysical analysis of Sorrento field wells
    ...diate water saturation (S<sub>w</sub> = 70%). This looks like a transition zone. Flow units 2 and 1 are [[Wikipedia:Mesoporous material|mesoporous]] and ar .../sup> oil and 425 m<sup>3</sup> gas per day) with no water. Therefore, the zone by definition is at immobile water saturation (S<sub>wi</sub> = 40%). The d
    7 KB (956 words) - 17:24, 11 April 2022
  • True resistivity determination
    To obtain an uninvaded zone resistivity (R<sub>t</sub>)
    3 KB (427 words) - 16:16, 5 April 2022
  • Subsurface diagenesis and its relation with diagenetic trap on carbonate rocks reservoir
    ...mixing zone, and vadose zone. Dissolution also may occur in the subsurface zone with rocks and water at the outside of chemical equilibrium. ...ecipitation, biological activity, and neomorphism. Soil and low weathering zone are not always important as the reservoir rocks, because the porosity size
    16 KB (2,395 words) - 21:18, 9 January 2024
  • Relative permeability
    The '''drainage curve''' determines from computed S<sub>w</sub> whether a zone is representative of lower transitional (K<sub>rw</sub>> K<sub>ro</sub> - D | Length of transition zone
    9 KB (1,351 words) - 13:31, 5 April 2022
  • Seismic data: two- or three-dimensional interpretation
    ...cal seismic sections, you will fail to see faults that have trends in this zone. The same phenomenon occurs with depositional stratigraphy.
    8 KB (1,280 words) - 17:33, 25 January 2022
  • Depositional environments
    ...plucking of underlying bed happens. The supraglacial zone and ice-contact zone are zones of melting where englacial debris carried by glacier accumulates * The Foreshore, called littoral zone or zone between high tide level to low tide level.
    26 KB (3,851 words) - 20:38, 28 February 2019
  • Types of wells
    ...nt of keeping the well within a specific reservoir interval or hydrocarbon zone.]] ...ctory to keep the well within a specific reservoir interval or hydrocarbon zone. In a strict sense, these wells are rarely perfectly horizontal, but they t
    22 KB (3,567 words) - 17:20, 11 March 2019
  • Reservoir simulations and field unitization
    ...eologic time spans but seal during production time spans. Even a low fault-zone [[permeability]] may allow hydrocarbons to [[Fault seal breakdown during pr
    3 KB (479 words) - 15:21, 30 March 2022
  • Pressure prediction: analysis of mud weights
    ...|pressure seal]] for many hundreds of feet without penetrating a permeable zone, in which case mud weight may not reflect the presence of [[Abnormal hydros
    4 KB (572 words) - 17:56, 17 February 2022
  • Depositional trap regime
    | ''Tidal-zone carbonates'' || colspan = 5 | ''Tidal channel'' ...e pinch-outs'' || rowspan = 3 | ''Marine carbonate pinch-outs'' || ''Tidal zone'' || ''Tidal-flat carbonate pinch-out'' || colspan = 4 | ''Pinch-out into s
    10 KB (1,231 words) - 20:28, 4 January 2024
  • Kerogen type and maturity
    ! Hydrocarbon generation zone
    4 KB (503 words) - 14:18, 14 February 2022
  • Influence of depositional environment on sandstone diagenesis
    * Illite characterizes shoreline sands deposited in the mixing zone where brackish water forms ...ry-mouth-bar sands rapidly deposited in the freshwater–marine water mixing zone
    8 KB (1,129 words) - 14:11, 6 April 2022
  • Well types
    ...nt of keeping the well within a specific reservoir interval or hydrocarbon zone.<ref name=Shepherd_2009>Shepherd, Mike, 2009, [http://archives.datapages.co ...ctory to keep the well within a specific reservoir interval or hydrocarbon zone. In a strict sense, these wells are rarely perfectly horizontal, but they t
    24 KB (3,753 words) - 19:33, 3 March 2016
  • Pressure detection
    ...erpressure exists. This method of predicting the depth to an overpressured zone has been widely used, especially in the offshore Gulf coast of the United S .... If the drilling rate increases, it can be inferred that an overpressured zone is being encountered. The rate increases because bottom hole conditions cha
    16 KB (2,450 words) - 21:42, 20 January 2022
  • Reservoir engineering
    ...nterval resulted in the transition zone. This zone is used as perforation zone in production well. ...in capillary pressure against the reference position below the hydrocarbon zone can be seen as a function of:
    14 KB (2,122 words) - 17:33, 7 March 2016
  • Biostratigraphic correlation and age determination
    A biostratigraphic zone is a body of rock defined or characterized by its fossil content.<ref name= ...or species composition of [[fossil assemblage]]s within a biostratigraphic zone are useful in refining correlations.
    11 KB (1,595 words) - 18:09, 24 January 2022
  • Utica Shale, Ohio, Pennsylvania, West Virginia and Kentucky
    ...l maturity can be divided into the oil window, wet gas window, and dry gas zone which increases in maturity to the east and to southeast direction.
    3 KB (542 words) - 22:36, 4 March 2022
  • Plate tectonics and basin formation
    ...th's crustal plates that collide with each other will form the subduction zone and cause the forces acting both horizontally and vertically, which will fo ...ction zone developing under the edge of one continent. Once the subduction zone is active the ocean basin is doomed; it will all eventually subduct and dis
    24 KB (3,689 words) - 17:46, 18 April 2019
  • Pore system shapes
    * S<sub>w</sub> = water saturation of the uninvaded zone
    4 KB (528 words) - 13:53, 4 April 2022
  • Midale water saturation and pore geometry
    ...on immobile (irreducible) water saturations]. Point 8 is from a transition zone. Mudstones (B) also are at immobile water saturations but fall on a hyperbo
    4 KB (588 words) - 17:01, 12 April 2022
  • Strain partitioning
    ...ay be partitioned by the development of a [[strike slip fault]] or [[shear zone]] across the actively deforming region.<ref name=TyesTik /><ref name=Fossen ..., Christopher; Hollister, Lincoln (1999). "Large-scale transpressive shear zone patterns and displacements within magmatic arcs: The Coast Plutonic Complex
    13 KB (1,732 words) - 22:01, 23 January 2019
  • Reservoir fluids
    # ''The zone of 100% oil production.'' This is located above the height where the water ...re. In some reservoirs, the entire oil column may be within the transition zone.<ref>Fanchi, J. R., R. L. Christiansen, and M. J. Heymans, 2002, Estimating
    22 KB (3,508 words) - 20:34, 3 March 2016
  • Molyneux:sandbox
    * [[Gouge zone]]
    5 KB (543 words) - 23:45, 8 January 2015
  • Production testing
    ...r drilling, and is often used in deciding whether to complete a particular zone. The total test duration is frequently a function of hole condition, and th ...al DST tool is attached to the drill pipe and run in the hole opposite the zone to be tested. A DST tool typically includes two or more clock-driven, bourd
    14 KB (2,165 words) - 18:42, 20 January 2022
  • Full waveform acoustic logging
    ...png|thumb|300px|{{figure number|2}}FWAL microseismograms across a fracture zone.]] ...ll the wave modes—P, S, and Stoneley. An example of data across a fracture zone is shown in [[:file:full-waveform-acoustic-logging_fig2.png|Figure 2]]. Var
    10 KB (1,530 words) - 20:47, 19 January 2022
  • Show evaluation
    ...cularly C4 and C5), the greater the potential for oil production from that zone<ref name=pt03r18>Ferrie, G. H., Pixler, B. O., Allen, S., 1981, Well-site f ...C1 value may represent [[dry gas]], [[coal]], biogenic gas, or a water wet zone.
    18 KB (2,670 words) - 18:21, 21 January 2022
  • Structural geology fieldwork
    ...y, P., A., Lawton, D., C., Spratt, D., A., 1996, The Oldman River triangle zone: a complicated tectonic wedge delineated by new structural mapping and seis
    4 KB (557 words) - 20:06, 2 February 2022
  • Calcareous microfossils
    ...n and geographic dispersal (i.e., their entire life cycle is in the photic zone of the ocean) as well as their varied and distinct morphologies. The oldest
    5 KB (673 words) - 15:16, 31 January 2022
  • Stratigraphic trap seals
    ...]] (20 m) of the trap will produce both oil and water in a long transition zone. Commercial production can be reached only at the top, where [[buoyancy pre
    5 KB (632 words) - 20:26, 3 February 2022
  • Formation water density
    # Proceed vertically to the appropriate salt concentration expected in the zone.
    5 KB (714 words) - 15:19, 13 September 2022
  • Kerogen type and hydrocarbon generation
    ...type]] alone. Type I kerogen generally has a shallower liquid hydrocarbon zone and generates significantly larger amounts of hydrocarbons. The onset of ge
    5 KB (651 words) - 16:11, 10 February 2022
  • Fault seal-conduit studies
    ....datapages.com/data/bulletns/1994-96/data/pg/0078/0009/1350/1372.htm Fault-zone seals in siliciclastic strata of the Columbus basin, offshore Trinidad]: AA
    5 KB (638 words) - 14:17, 2 February 2022
  • Petroleum exploration
    ...{{figure number|2}}Hydrocarbon reservoir with gas cap, oil zone, and water zone (Source: Saudi Aramco<ref name = SaudiAramco />) ...lf. Seismic survey can be conducted whether in land, marine, or transition zone; and the procedure of all types of seismic survey is quite the same, when s
    15 KB (2,331 words) - 19:12, 17 April 2019
  • Structural analogies
    ...D. A., 1996, En echelon geometry and two-dimensional model of the triangle zone, Grease Creek syncline area, Alberta: Bulletin of Canadian Petroleum Geolog
    4 KB (579 words) - 20:52, 2 February 2022
  • Structural geology
    ...pward fault plane that has high updip angle and flattened at its base into zone of detachment. This angle is continuously changing from nearly vertical in ...here the water velocity is no longer supporting the particles weight. This zone is called depositional center ([[depocenter]] for short) and has higher sed
    14 KB (2,168 words) - 21:31, 13 March 2019
  • Drill stem testing
    ...bore that provides information on whether or not to complete the well. The zone in question is sealed off from the rest of the wellbore by packers, and the The best time to run a DST is just after drilling through a potential pay zone, when exposure to damaging fluids is minimal and the hole is in its best co
    26 KB (4,009 words) - 15:09, 24 January 2022
  • Offshore exploration and exploitation
    ...stered by a magnetometer installed in a plane that flies over the interest zone. Sedimentary formations with hydrocarbons don't manifest [[magnetics]] prop
    5 KB (708 words) - 22:00, 10 April 2019
  • Production logging
    ...shown in [[:file:production-logging_fig5.png|Figure 5]]. In this example, zone A produces water, while the zones above it are all gas producers. A plug se ...D., B. F. McGhee, and J. A. McGuire, 1983, Guidelines for 90% accuracy in zone isolation decisions: Richardson, TX, Society of Petroleum Engineers, SPE 12
    12 KB (1,726 words) - 16:48, 20 January 2022
  • Production problems
    ...tical pressure gradient exceeds the hydrostatic gradient down to the water zone, the water is pulled toward the well, resulting in a cone-shaped distortion ...um production rates. However, because of pressure depletion within the oil zone, a pressure differential will eventually develop between the water and/or g
    16 KB (2,540 words) - 18:41, 20 January 2022
  • Cuba: Geology and regional setting
    ...[[Pinar del Rio]]. Carbonates exist in the highly deformed [[Motagua fault zone]], in central [[Guatemala]], but similarity to carbonates found in Cuba is ...tes] are common throughout the Caribbean and extend from the Motagua fault zone, between the Maya and Chortis block, to [[Puerto Rico]]. They also form the
    13 KB (1,851 words) - 20:43, 7 July 2016

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

Retrieved from "https://wiki.aapg.org/Special:Search"