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• Types of wells
  ...A horizontal well will be geosteered through a target zone by assuming the bed dip. If the assumed dip is wrong, the well may exit the target zone. Proble ...This can give enough warning to allow the well to be steered away from the bed boundary.
  22 KB (3,567 words) - 17:20, 11 March 2019
• Factors that oppose hydrocarbon migration
  ...ase is generally assumed to form one or more continuous networks through a bed when its concentration exceeds between 4.5% and 17% of the pore volume.
  8 KB (1,133 words) - 15:16, 14 February 2022
• Geological heterogeneities
  ...ing of structure, [[fluid contacts]], [[porosity]], bed thickness, lateral bed continuity, and various other attributes of reservoirs using three-dimensio
  17 KB (2,232 words) - 21:22, 19 January 2022
• Reservoir
  ...iver.jpg|300px|right|thumbnail|{{figure number|4|}}Change in grain size of bed load in Mississippi River from Cairo, Illinois, to the mouth. (Form U.S. Ar
  14 KB (2,134 words) - 16:48, 26 March 2019
• Depositional environments
  ...y gravel-sized sediments and show down-fan decreased in [[grain size]] and bed thickness and an increase in sediment sorting. The characteristics of debri ...nment. The basal zone is the area where erosion and plucking of underlying bed happens. The supraglacial zone and ice-contact zone are zones of melting wh
  26 KB (3,851 words) - 20:38, 28 February 2019
• Making regional tectonic maps
  ...illustrating three possible hydrocarbon migration pathways and related sea-bed features. Based on data from Lovely and Ruggiero.<ref name=Lovely&RuggieroP
  8 KB (1,069 words) - 20:03, 18 February 2022
• Well types
  ...A horizontal well will be geosteered through a target zone by assuming the bed [[dip]]. If the assumed dip is wrong, the well may exit the target zone. Pr ...This can give enough warning to allow the well to be steered away from the bed boundary.
  24 KB (3,753 words) - 19:33, 3 March 2016
• Migration by separate phase
  ...roat network. At that time, the slug moves into the closest coarse-grained bed. Expulsion is preferentially upward because of the hydrocarbons' buoyancy,
  8 KB (1,155 words) - 15:17, 14 February 2022
• Balanced cross sections
  ...., Jr., 1990, Unique determination of normal fault shape from hanging-wall bed geometry in detached half grabens: Ecologae Geologicae Helvetiae, vol. 83,
  8 KB (1,060 words) - 15:07, 3 February 2022
• Basin-centered gas systems: elements and processes
  ...The source rocks for direct BCGSs are most commonly [[humic]]-type [[coal bed]]s and [[carbonaceous]] [[shale]], such as occur in [[Cretaceous]] rocks in ...water- and gas-bearing zones; however, vertical transitional zones across bed boundaries do not occur, and there is an abrupt, distinct boundary between
  20 KB (2,949 words) - 18:24, 6 April 2016
• FWhitehurst sandbox
  * ash bed Wikibooks:Historical_Geology/Volcanic_ash
  22 KB (3,024 words) - 21:42, 19 December 2014
• Mudstone nomenclature
  ...aterial is delivered to a basin by a variety of transport processes (e.g., bed load, suspension) and is subsequently modified by postdepositional processe ...172 p.</ref><ref>Plint, A. G., J. H. S. Macquaker, and B. L. Varban, 2012, Bed-load transport of mud across a wide, storm-influenced ramp: Cenomanian-Turo
  58 KB (8,391 words) - 19:46, 20 February 2024
• Mudlogging: drill cuttings analysis
  ...nce of a specific lithology reflects the highest possible position of that bed. However, because the borehole may tend to cave or slough during drilling,
  10 KB (1,482 words) - 15:25, 24 January 2022
• East Breaks hydrocarbon migration model
  ...strating three possible hydrocarbon [[migration pathway]]s and related sea-bed features. They concluded that the [[primary migration]] pathway involves mi
  10 KB (1,376 words) - 16:00, 23 March 2022
• Sandstone
  ...sutured grain. Chemical compaction decrease the porosity and increase the bed thinning. Deep burial cause decrease the sand porosity dramatically.
  10 KB (1,508 words) - 15:44, 22 March 2019
• Growth strata
  ...re 5, left]] shows a narrowing upward fold limb, or growth triangle, where bed dips within the fold limb generally do not shallow upward, consistent with
  13 KB (1,930 words) - 22:28, 20 January 2016
• Quick-look lithology from logs
  ...ot significant, it will shift if formation fluid salinity changes from one bed to another, making the log hard to interpret. ...liper reading that is about [[length::0.5 in.]] smaller than the bit size. Bed boundaries are often accurately delimited ([[:file:quick-look-lithology-fro
  25 KB (3,637 words) - 19:39, 18 January 2022
• Depth and thickness conversion
  In this equation, δ′ indicates the apparent [[dip]] of the bed in the direction of the horizontal displacement ([[:file:conversion-of-well
  17 KB (2,363 words) - 16:49, 20 January 2022
• Preprocessing of logging data
  ...ue resistivity from a dual induction log. It should be noted that shoulder bed effect corrections are difficult and require complex algorithms.<ref name=p
  13 KB (2,094 words) - 17:42, 18 January 2022
• Delta plain, upper
  ...t commonly the distorted bedding simply caps the sand unit, but the entire bed can be rendered into a fluid state and massive contortions can be present ( ...e]], [[coal]], and iron-rich seams which form within these essentially red bed deposits. The sand body itself normally displays a graded base; however, in
  33 KB (4,905 words) - 16:40, 6 April 2016

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