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• History of oil
  ...in the price of oil. Annual oil production dropped sharply to 19.3 billion bbl. ...il 1994. Production has increased slowly since 1994 to close to 25 billion bbl per year. This more stable production of oil has been attributed to higher
  5 KB (778 words) - 21:14, 12 March 2019
• Strain analysis of top seals
  ...ly low fracture [[permeability]] of only 0.05 md, is more than 100 billion bbl/m.y.<ref name=ch10r71 /> Fracture permeability can be as high as tens of da ...arbara Channel, California, is leaking 50–70 bbl/d or more than 25 billion bbl/m.y.<ref name=ch10r95>Wilkinson, E., R., 1971, California offshore oil and
  3 KB (403 words) - 15:21, 30 March 2022
• Charge volume
  | 0.2 bbl/m³ | 0.2 bbl/m³
  6 KB (834 words) - 20:41, 14 February 2022
• Petroleum system size
  ...e Deer-Boar(.) system, with reserves of approximately 1.2 billion barrels (bbl). ...il Production (x10⁶ bbl) || Remaining Reserves (x10⁶ bbl)
  2 KB (317 words) - 19:15, 25 January 2022
• Natural-gas liquids
  ...gas]] varies widely from essentially none in [[dry gas]] to more than 200 bbl of NGL per mmcf (million cubic feet) of gas in rich [[wet gas]]. ...mation is available, the average NGL yield of natural gas is higher: 35-40 bbl per mmcf. The ratio, of course, varies from petroleum field to petroleum fi
  4 KB (549 words) - 16:31, 25 June 2015
• Wellsite math
  | V_bpf || Volume || bbl/ft | V_h || Hole volume; the volume of the open or cased hole || bbl/ft
  21 KB (3,142 words) - 15:10, 24 January 2022
• Predicting hydrocarbon recovery
  * 7758 = conversion factor from acre-ft to bbl ...1.05 + (N × 0.05), where N = number of ft³ of gas produced per bbl of oil ([http://www.enggcyclopedia.com/2012/03/gas-oil-ratio-gor/ gas-oil r
  5 KB (691 words) - 17:10, 5 April 2022
• Oil as an energy source
  ...e estimates of the ultimate worldwide oil recovery (3, 3.5, and 4 trillion bbl) include [[cumulative production]], [[current reserves]], natural-gas liqui
  3 KB (370 words) - 19:44, 9 June 2015
• Predicting reservoir drive mechanism
  | bbl/acre-ft | bbl/acre-ft
  6 KB (759 words) - 13:51, 4 April 2022
• Near-surface destruction
  ...field (San Joaquin basin, California) is an [[accumulation]] of 4 billion bbl of original oil in place of 13°[[API gravity|API]], biodegraded, water was ...of oil reached the vicinity of Kern River field, of which about 12 billion bbl were lost by near-surface processes as the field was charged.
  8 KB (1,193 words) - 18:51, 1 February 2022
• Barnett Shale (Mississippian), Fort Worth Basin, Texas
  ...Barnett’s liquids production; daily oil production is currently around 560 bbl).
  3 KB (414 words) - 22:15, 2 June 2021
• Mandal-Ekofisk(!) petroleum system
  ...leum]] system in the Central Graben of the North Sea contains 21.4 billion bbl of oil and 39.4 trillion ft³ of gas in 39 fields.<ref name=ch03r ...bbl) || (&times; 10⁶ m³) || (&times; 10⁶ bbl) || (&times; 10⁶ m³) || (&times; 10⁹ ft<su
  9 KB (1,184 words) - 18:46, 3 March 2016
• Surface production equipment
  * ''q'' = gross liquid flow rate (bbl/day) * ''R'' = gas to liquid ratio (MSCF/bbl)
  9 KB (1,343 words) - 18:42, 20 January 2022
• Eagle Ford Group, southwest Texas
  ...h increasing time online. Estimated ultimate recoveries are around 150,000 bbl per well for oil and between 500 and 1,500 MMscf per well for natural gas ( ...l is produced from wells with cumulative GOR values less than ~20,000 Mscf/bbl (the cutoff used by the USGS to differentiate oil and gas wells), as expect
  10 KB (1,550 words) - 21:50, 3 March 2022
• Bakken and Three Forks Formations, Williston Basin, North Dakota and Montana (USGS)
  | GOR (scf/bbl) || 200–2000 | Water Yield (bbl/bbl oil) || Variable due to sweetspots
  11 KB (1,595 words) - 20:20, 2 June 2021
• Reserves estimation
  * 7758 = conversion factor from acre-ft to bbl ...here ''N'' is the number of hundreds of ft³ of gas produced per bbl of oil [for example, in a well with a GOR of 1000, ''B''_oi = 1.0
  16 KB (2,550 words) - 17:47, 21 January 2022
• Uncertainties impacting reserves, revenue, and costs
  .../sub> || P_10% = 28,000 || rowspan = 4 | Mz^a = 91,584 bbl | P_50% value || 32 ac || x 12 ft || x 190 bbl/ac-ft || = 72,960 bbl = P_50% || P_50% = 72,960
  21 KB (3,123 words) - 19:27, 19 January 2022
• Drill stem testing
  | bbl | bbl/stb
  26 KB (4,009 words) - 15:09, 24 January 2022
• South Pass 62 field
  ...ion rates reached 30,000 bbl and 50 MMCFG in 1970 before declining to 2000 bbl in 1994.
  9 KB (1,290 words) - 21:18, 19 October 2016
• Great American carbonate bank
  ...ntucky. Great American carbonate bank reservoirs have yielded 4.22 billion bbl of oil and 2198 tcf of gas. As of 2012, translating that gas into oil equiv
  5 KB (768 words) - 18:39, 1 August 2016

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