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• Checkshots and vertical seismic profiles
  file:checkshots-and-vertical-seismic-profiles_fig3.png|{{figure number|3}}The source position (A or B) should be chosen so that the travel path to e ...distance of [[depth::200 ft|200]], [[depth::500 ft|500]], or [[depth::1000 ft]] (61, 152, or 305 m) to record the checkshot, or vertical traveltime, at s
  11 KB (1,599 words) - 20:48, 19 January 2022
• Seismic data acquisition on land
  file:seismic-data-acquisition-on-land_fig3.png|{{figure number|3}}Vibrator truck in a simple “in line” array. (Photo. Copyright: Western ...e dynamite in “shot holes” ranging in depth from 10 to [[length::300 ft]] (3 to 100 m) and primacord in trenches covered by a few inches of soil. Howeve
  10 KB (1,389 words) - 16:20, 20 January 2022
• Open hole tools
  | rowspan = 3 | Correlation and lithology || Spontaneous potential | rowspan = 3 | Resistivity || Induction
  23 KB (3,350 words) - 17:26, 18 January 2022
• Migration rate calculation
  * R = rate of migration (m³/sec) * P_grad = pore pressure gradient (Pa) (use 4.5 psi/ft if not available)
  4 KB (618 words) - 19:40, 14 February 2022
• Buoyancy pressure
  ...hat is a function of the density difference between the two fluids and the length of the less-dense fluid column. * ρ_w = density of water, g/cm³
  4 KB (596 words) - 18:37, 17 February 2022
• Artificial lift
  artificial-lift_fig3.png|{{figure number|3}}Hydraulic piston pump.<ref name=pt09r5 /> ...wells that must lift high volumes of fluids from less than [[depth::10,000 ft]] deep. ESPs are often used in the late stages of [[waterflooding]] where h
  7 KB (1,094 words) - 20:47, 19 January 2022
• Displacement pressure estimation from sedimentary facies and well logs
  ...of 80–90 psia (air-mercury^o and capable of trapping only 90–100 ft of oil. ...i]] (air–mercury) and can trap more than [[length::300 m]] [[depth::(1,000 ft]]) of oil. Lacustrine and overbank facies contain some [[siltstone]]s that
  5 KB (764 words) - 19:46, 31 March 2022
• Water saturation distribution in a reservoir
  ...cting-reservoir-system-quality-and-performance_fig9-42.png|{{figure number|3}}Empirical ternary diagram for estimating height above free water, pore typ ...e height above free water for the flow unit is approximately [[length::100 ft]]. Assumptions for the diagram include 30°API [[gravity]] oil, saline form
  5 KB (687 words) - 17:09, 5 April 2022
• Setting and structure of the Sorrento field
  ...small structural [[nose]] and [[closure]]. The oil column is [[length::70 ft]] [[depth::(20 m]]) and exceeds structural closure. This is a combination [ [[Category:Treatise Handbook 3]]
  3 KB (429 words) - 14:19, 11 April 2022
• Wellbore trajectory
  wellbore-trajectory_fig3.png|{{figure number|3}}Directional well design example: build and hold. ...d “build and hold” is shown in [[:file:wellbore-trajectory_fig3.png|Figure 3]]. A borehole inclination of at least 15° is desirable since it is harder
  14 KB (2,167 words) - 20:46, 19 January 2022
• Seismic data: building a stratigraphic model
  ...sufficient for event identification and [[3-D seismic data: the data cube|3-D seismic data]] calibration. [[Category:Treatise Handbook 3]]
  5 KB (805 words) - 19:06, 27 January 2022
• Fluid contacts
  ...ectly determines fluid contacts by measuring recovered fluids || rowspan = 3 | Direct measure of fluid contact || Rarely closely spaced, so contacts mus ...ter surface]] from inflections in pressure versus depth curve || rowspan = 3 | Little affected by lithology or [[Production problems#Water-gas coning|co
  19 KB (2,690 words) - 21:20, 19 January 2022
• Rock quality
  ...oir-system-quality-and-performance_fig9-18.png|300px|thumb|{{figure number|3}}Capillary pressure curve and pore throat size histogram. Modified from Dov ...ile:predicting-reservoir-system-quality-and-performance_fig9-18.png|Figure 3]] illustrate Pittman's point.
  10 KB (1,534 words) - 16:53, 4 April 2022
• Utica Shale, Ohio, Pennsylvania, West Virginia and Kentucky
  TOC is highest in the organic rich Point Pleasant interval ranging from 3% to 12%. The TOC increases to the east and to the southeast. This same inte ...a superlateral in shorter amount of time and for less money than the 6500 ft. laterals it drilled earlier.
  3 KB (542 words) - 22:36, 4 March 2022
• Marine seismic data acquisition
  ...k-to-peak pressure'', which is often quoted in pressure units of bars at [[length::1 m]] (bar meters). Another measure of the performance of the array is the ...s common to put two, three, or four groups in a cable ''section'' (75 to [[length::100 m]] long), which is a unit with connectors at each end. When a section
  13 KB (2,015 words) - 18:24, 21 January 2022
• Drill stem testing
  ===Length of test interval=== The length of the test interval should be short so that less mud will be displaced fro
  26 KB (4,009 words) - 15:09, 24 January 2022
• East Breaks reservoir rock
  file:sedimentary-basin-analysis_fig4-47.png|{{figure number|3}}Seismic reflection profile showing the ''Glob alt'' reservoir interval. Af ...t Breaks depocenter ([[:file:sedimentary-basin-analysis_fig4-47.png|Figure 3]]). Subsequent [[Depocenter#Sediment_supply_rate_and_facies_patterns|progra
  13 KB (1,771 words) - 17:24, 5 December 2023
• Stimulation
  stimulation_fig3.png|{{figure number|3}}Flow to fractured well is linear to fracture, followed by flow that is dow ...wellbore with minimal flow resistance ([[:file:stimulation_fig3.png|Figure 3]]). The success of this operation depends upon the conductivity of the hydr
  24 KB (3,633 words) - 13:55, 24 January 2022
• Identifying depositional sequences from biostratigraphic data
  ...y Ragan, Mobil Exploration and Producing US). The core hole is [[length::0.3 mi]] to the west of the seismic reflection profile shown in [[:file:sedimen ...e high-abundance interval of ''G. menardii'' between 190 and [[length::320 ft]] (58 and 98 m). In contrast, the stratigraphic intervals of ''G. menardii'
  9 KB (1,143 words) - 14:57, 23 February 2022
• Facies map
  ...osits of the Lombardian Basin; 2 = Friuli and Bagnolo carbonate platforms; 3 = resedimented oolitic deposits of the Vajont [[Limestone]] (the arrow indi file:sedimentary-basin-analysis_fig4-29.png|{{figure number|3}}Biofacies maps of the study area in the Gulf of Mexico. After Armentrout.<
  15 KB (2,070 words) - 20:34, 7 July 2016

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