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• Total measured length
  ...length (TML) is the total length of a [[horizontal well]] from the surface datum to the toe. In general, it is referred to as measured depth (MD) and is det
  1 KB (186 words) - 19:53, 3 March 2016
• Mapping unconformities
  # Make an isopach map from the [[unconformity]] to a flat datum above or below the unconformity to define paleotopography or paleostructure ...t datum within the Jurassic Sawtooth Formation was picked as the lowermost datum. Where the Sawtooth Formation is absent by onlap, the erosional top of the
  7 KB (977 words) - 20:39, 4 February 2022
• Checkshots and vertical seismic profiles
  ...nt is then added to the measured traveltime to each receiver. If the depth datum is below the shot depth, as in [[:file:checkshots-and-vertical-seismic-prof
  11 KB (1,599 words) - 20:48, 19 January 2022
• Cross section
  ===Choice of datum=== ...ging” all the available vertical information on a stratigraphic horizon or datum that can be correlated along the full length of the cross section, the data
  20 KB (3,029 words) - 16:09, 24 January 2022
• Reservoir system analysis
  ...ell. Use a region/fieldwide time marker at the top of the reservoir as the datum.
  4 KB (547 words) - 18:09, 1 April 2022
• Glossary
  ;FAD:first appearance datum ;LAD:last appearance datum
  5 KB (840 words) - 13:51, 18 March 2019
• East Breaks reservoir rock
  ...at the ''Glob alt'' condensed section datum and the underlying, unlabeled datum (thick black lines). The reservoir is penetrated by the 160-1 well in the f ...]] is a well-log [[cross section]] of the ''Glob alt'' reservoir interval; datum is a mudstone within the GA-2 sandstone (well locations are shown on [[:fil
  13 KB (1,771 words) - 17:24, 5 December 2023
• Hydrodynamics
  * Z = height (elevation) of P above a datum (ft or m)
  5 KB (658 words) - 22:04, 17 February 2022
• East Breaks seal rock
  ...n, is a major mudstone condensed interval coincident with the ''Glob alt'' datum labeled on [[:file:sedimentary-basin-analysis_fig4-47.png|Figure 2]]. Mudst
  5 KB (662 words) - 14:48, 19 December 2023
• Facies map
  ...; and the overlying tabular facies above the clinoforms and the ''Glob M'' datum represent [http://education.nationalgeographic.com/education/encyclopedia/c
  15 KB (2,070 words) - 20:34, 7 July 2016
• Two-dimensional geophysical workstation interpretation: generic problems and solutions
  ...ern Geophysical Society.</ref>. Because of data variables such as vintage, datum, field parameters, processing, and so on, 2-D data require more careful pre **Datum reference plane
  20 KB (2,848 words) - 14:29, 20 January 2022
• Biostratigraphic correlation and age determination
  ...ration below), or lowest occurrence of a species or lineage, is a reliable datum only in core or [http://www.merriam-webster.com/dictionary/outcrop outcrop]
  11 KB (1,595 words) - 18:09, 24 January 2022
• Seismic data - creating an integrated structure map
  ...etrate the event of interest. The event depth ''z'' (measured from seismic datum) is known from well control, and the vertical reflection time ''t'' is know
  7 KB (1,117 words) - 17:51, 25 January 2022
• Seismic processing basics
  ...ctions. An elevation datum is chosen, and the distance above or below that datum is measured for each source and receiver. The difficulty is in knowing what
  19 KB (2,895 words) - 20:23, 21 January 2022
• Subsurface maps
  ...g structurally complex reservoirs]]). Mean sea level is a useful reference datum. Commonly contoured horizons are top of zone or top of net pay. Control poi ...maps_fig3.png|Figure 3]]). Pressures should be converted to a common depth datum, such as mid-reservoir, prior to contouring. (For information on obtaining
  22 KB (3,076 words) - 13:56, 24 January 2022
• Systems tracts identification
  ...es a time line and can be used to extend the ''Glob alt'' extinction event datum (2.8 Ma) northward toward the basin margin (see Armentrout & Clement<ref na
  15 KB (2,029 words) - 21:21, 23 February 2022
• Fluid contacts
  ...determine (in English units) the potentiometric gradients using sea level datum:
  19 KB (2,690 words) - 21:20, 19 January 2022
• Paleontology
  In most wells, the LADs of fossils are the most useful datum planes for subdividing, dating, and correlating the [http://www.stratigraph
  17 KB (2,331 words) - 20:11, 10 August 2016
• Shale tectonics
  .../ref>). Do shales truly inflate as salts do above a regional stratigraphic datum? Evidence in Nigeria seems to suggest that they do (see Wiener et al.<ref n
  17 KB (2,466 words) - 16:16, 10 January 2024
• Log analysis applications
  ...ce or, in the case of a summation model, as a ''z'' value (a single-valued datum such as net feet of pay or subsea depth) associated with a well's latitude
  21 KB (3,142 words) - 16:20, 20 January 2022

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