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• Geostatic and lithostatic pressure
  | frompg = 5-6 | topg = 5-6
  3 KB (402 words) - 14:47, 16 February 2022
• Free water level determination using pressure
  | frompg = 5-27 | topg = 5-28
  3 KB (463 words) - 17:54, 17 February 2022
• Buoyancy pressures and hydrocarbon presence
  | frompg = 5-1 | topg = 5-64
  3 KB (387 words) - 18:56, 16 February 2022
• Mudlogging: the mudlog
  ...in.]] to [[length::100 ft]] (1:600) and [[length::5 in.]] to [[length::100 ft]] (1:240). This track also includes the location (depth or interval) of the ===Tracks 4 and 5: hydrocarbon evaluation===
  5 KB (752 words) - 15:39, 24 January 2022
• Spontaneous potential logs in water resistivity calculation
  ...ion is necessary if the zone SP is measured from is less than [[length::20 ft]] thick.) # Read the maximum SP response in a zone at least [[length::20 ft]] thick.
  6 KB (1,027 words) - 16:40, 5 April 2022
• Magnetics: interpreting residual maps
  [[file:using-magnetics-in-petroleum-exploration_fig14-5.png|300px|thumb|{{figure number|1}}Geologic map of an area of crystalline [ ...bility. As shown in [[:file:using-magnetics-in-petroleum-exploration_fig14-5.png|Figure 1]], the basement is of complex lithology and is highly fracture
  8 KB (1,109 words) - 17:41, 24 January 2022
• Seal capacity of different rock types
  ...condary hydrocarbon migration and entrapment]: AAPG Bulletin, vol. 63, no. 5, p. 723–760.</ref> Wells and Amaefule<ref name=ch10r94>Wells, J., D., Ama * Most good sands can trap only [[length::50 ft]] or less of oil column.
  5 KB (760 words) - 20:55, 31 March 2022
• Static gas pressure gradient estimation
  | frompg = 5-21 | topg = 5-25
  7 KB (979 words) - 15:24, 17 February 2022
• Displacement pressure: theory vs. reality
  ...xperimental study of secondary oil migration]: AAPG Bulletin, vol. 76, no. 5, p. 638–650.</ref> These experiments at best have column heights 19–23% ...ld in the Tar Springs Formation reservoir is [[length::29 m]] [[depth::(95 ft]]).
  4 KB (587 words) - 13:36, 1 April 2022
• Water resistivity determination
  * If the bed was too thin for the SP to develop fully (beds thinner than 20 ft), the appropriate correction is applied from the charts. | 1-5
  13 KB (2,077 words) - 17:26, 18 January 2022
• Borehole gravity
  ...ma-gamma [[density log]]. The broader difference anomaly observed over the length of the logged interval is explained by the structural influence of the reef ...g (VSP)]] surveys. The BHGM is stopped at each planned survey level, and a 5- to 10-min reading is taken. The blocky appearance of the log reflects the
  10 KB (1,517 words) - 15:54, 20 January 2022
• Petrophysical analysis of Sorrento field wells
  ...but too tight to produce. Between these are [[length::30 ft]] [[depth::(8.5 m]]) of mesoto macroporous sandstone (flow units 1-4). Subsea elevation of –1,030 ft (–314 m) is marked in the depth track.
  7 KB (956 words) - 17:24, 11 April 2022
• Conventional coring
  ...::1.5 ft]] for short radius horizontal wells to greater than [[length::400 ft]] for vertical holes. ! Inner Barrel || Core Length (ft) || Special Features
  13 KB (1,885 words) - 20:49, 19 January 2022
• Sampling for paleontology
  ...ch joint of drill pipe added to the drill string (i.e., every [[length::30 ft]], or 9 m) and represents an amalgamated sample of the rocks penetrated in ...ch joint of drill pipe added to the drill string (i.e., every [[length::30 ft]], or 9 m). However, the geologist can specify a different interval if nece
  7 KB (1,051 words) - 18:08, 24 January 2022
• Borehole gravity applications: examples
  ...gamma-gamma density log. The broader difference anomaly observed over the length of the interval is explained by the influence of the entire reef complex. ...after hydrofracturing the reservoir. In Case #4 the missed pay is about [[length::1 m]] from the well, and the density difference is very pronounced. Such p
  11 KB (1,596 words) - 18:08, 24 January 2022
• Buoyancy pressure
  | frompg = 5-1 | topg = 5-64
  4 KB (596 words) - 18:37, 17 February 2022
• Seismic data acquisition on land
  file:seismic-data-acquisition-on-land_fig5.png|{{figure number|5}}(a) Off end shooting. (b) Split spread shooting. ...include 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. H
  10 KB (1,389 words) - 16:20, 20 January 2022
• Open hole tools
  | Spontaneous potential (SP) || 6–10 ft || N/A || Well-to-well correlation, estimate ''R''_w , and indica | Gamma ray || [[length::2 ft]] || [[length::12 in]] || Well-to-well correlation and estimate ''V''_sh || Sen
  23 KB (3,350 words) - 17:26, 18 January 2022
• Rate of penetration
  ...s calculated by measuring the length of time required to drill [[length::1 ft]] of depth. This is typically done by reading the chart on the geolograph. ...pen on the geolograph places a small mark on the chart. Every [[length::5 ft]] the pen places a larger mark on the chart ([[:file:rate-of-penetration_fi
  7 KB (1,049 words) - 19:02, 20 January 2022
• Wellbore trajectory
  wellbore-trajectory_fig5.png|{{figure number|5}}Kicking off with a jet bit.]] ...tom in the desired trajectory ([[:file:wellbore-trajectory_fig5.png|Figure 5]]). Weight is applied to the bit while it is rotated into the pocket. This
  14 KB (2,167 words) - 20:46, 19 January 2022

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