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  • API gravity
    ...light oils have 35 to 45&deg; API, and condensates have more than 45&deg; API.<ref name=Petersetal_2012>Peters, Kenneth E., David J. Curry, and Marek Kac
    951 bytes (140 words) - 14:03, 25 February 2016

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  • API gravity
    ...light oils have 35 to 45&deg; API, and condensates have more than 45&deg; API.<ref name=Petersetal_2012>Peters, Kenneth E., David J. Curry, and Marek Kac
    951 bytes (140 words) - 14:03, 25 February 2016
  • Elemental parameter data for oil–oil and oil–source rock correlations
    ...., and J. M. Brooks, 1988, Surface geochemical exploration studies predict API gravity off California: Oil & Gas Journal, September 12, p. 101–106.</ref ...correlation parameter. Sulfur content decreases with increasing maturity (API gravity) in low-sulfur oils as well, although the range of variation is usu
    4 KB (571 words) - 17:34, 15 February 2022
  • Petroleum system size
    ...Name || Discovery Date || Reservoir Rock || [[API gravity|API Gravity]] (°API) || Cum. Oil Production (x10<sup>6</sup> bbl) || Remaining Reserves (x10<su
    2 KB (317 words) - 19:15, 25 January 2022
  • Tar sands
    ...as reservoirs containing oil with a specific gravity of less than 10&deg; API (bitumen) and immobile in the reservoir. ...ity of the oil ranges from 4 to 17&deg; API and averages less than 10&deg; API, the reservoir temperatures are high enough to lower the viscosities to les
    7 KB (1,012 words) - 13:40, 18 March 2019
  • Suggested pages
    ** [[API gravity]]
    2 KB (215 words) - 20:43, 10 August 2015
  • Oil correlation case history: Norwegian sector, North Sea
    ...d wide compositional variation, as illustrated in the percent sulfur vs. [[API gravity]] plot below. Similar variability exists in the nitrogen concentrat ...rth Sea. The left figure is concentration of sulfur in oil plotted against API gravity, showing a trend of decreasing sulfur content with increasing gravi
    8 KB (1,116 words) - 22:16, 15 February 2022
  • Static oil pressure gradient estimation
    ...r condensate density]] can be estimated to useful accuracy if stock tank [[API gravity]] and [[Petroleum reservoir fluid properties#Solution gas-oil ratio
    3 KB (355 words) - 15:18, 17 February 2022
  • Near-surface destruction
    * Most biodegraded oils are characterized by higher [[viscosity]] and lower [[API gravity]] than unaltered petroleum, but biodegraded high-wax oils may have ...cumulation]] of 4 billion bbl of original oil in place of 13°[[API gravity|API]], biodegraded, water washed, and devolatized oil at a subsurface depth of
    8 KB (1,193 words) - 18:51, 1 February 2022
  • FWhitehurst sandbox
    * API gravity see oil gravity ...tp://www.glossary.oilfield.slb.com/en/Terms.aspx?LookIn=term%20name&filter=API%20gravity
    22 KB (3,024 words) - 21:42, 19 December 2014
  • Oil and condensate analysis
    The expected character of the petroleum (such as [[API gravity]] and gas to oil ratio) and reservoir conditions (such as pressure * [[API gravity]]
    14 KB (2,013 words) - 16:48, 20 January 2022
  • Overview of routine core analysis
    ...e, 1960, RP-40 recommended practices for core analysis procedures: Dallas, API, 55 p.</ref> ...volume corresponds to the sum of the pore water and the gas volumes. Low [[API gravity]] oils are only partly recovered by this process, thus recovered oi
    14 KB (2,121 words) - 21:16, 19 January 2022
  • Reservoir engineering
    : <math>\gamma_g = 0.00091T - 0.0125 (^{\circ} \text{API} )</math> : <math>C_o = \frac{5Rsb + 1.72T - 1180 \gamma_g + 12.62 ^{\circ}\text{API} - 1433}{P \times 10^5}</math>
    14 KB (2,122 words) - 17:33, 7 March 2016
  • Petroleum reservoir fluid properties
    ===API specific gravity=== ...defined by γ<sub>API</sub> = (141.5/γ<sub>O</sub>) –131.5, with units in °API.
    19 KB (2,721 words) - 21:21, 19 January 2022
  • Hydrofractured seal leakage
    * Petroleum density is estimated from the gas-oil ratio (GOR), [[API gravity]], temperature, and pressure.
    5 KB (679 words) - 17:11, 1 February 2022
  • Seal capacity variation with depth and hydrocarbon phase
    ...urves show the seal capacity for three different oils, ranging from 30–40° API and a [http://www.enggcyclopedia.com/2012/03/gas-oil-ratio-gor/ gas-oil rat
    5 KB (765 words) - 20:55, 31 March 2022
  • Biodegradation of crude oil in reservoirs
    Crude oils that has been biodegraded typically has a lower API gravity, high sulfur content (%S) and vanadium & nickel contents than corre ...itives are needed to increase the volume of recoverable oil due to its low API gravity and higher viscosity. Furthermore, downstream costs are also higher
    16 KB (2,354 words) - 18:16, 25 April 2022
  • Wellsite safety
    ...ommended practices for safe drilling of wells containing hydrogen sulfide: API Report No. 49, Dallas, TX, 11 p.</ref>
    9 KB (1,411 words) - 15:10, 24 January 2022
  • AAPG Wiki:Converting content
    ...e best place to get the content is probably Datapages.com. There is no web API, but there are two sets of semantic tags in Datapages: '''<nowiki><meta></n
    6 KB (826 words) - 18:27, 1 July 2013
  • Measuring displacement pressure using mercury injection
    ...://www.enggcyclopedia.com/2012/03/gas-oil-ratio-gor/ gas–oil ratio], and [[API gravity]].<ref name=ch10r67 /> <ref name=ch10r87 /> For the air–mercury s
    5 KB (749 words) - 19:46, 31 March 2022
  • Hydrocarbon migration
    * Why are there marked differences in [[API gravity|oil gravity]], wax content, and sulfur content in [[lateral]] and s
    6 KB (865 words) - 14:33, 6 April 2016
  • Llanos basin
    ...ena, Conference Proceedings.</ref>), some deep reservoirs also contain low API oils. ...charge of hydrocarbons that refreshes these reservoirs may consist of high API light oils (Dzou et al., 1999<ref name=Dzouetal1999>Dzou, L. I., A. G. Holb
    23 KB (3,247 words) - 22:50, 8 January 2019
  • Glossary
    ;API:American Petroleum Institute
    5 KB (840 words) - 13:51, 18 March 2019
  • Well log analysis for reservoir characterization
    ...” formation, or if the gamma ray log reading is very log (usually below 15 API), the resistivity and density log reading is very high, it could be an anhy ! Lithology !! Gamma Ray (API) !! Spontaneous Potential (mV) !! Resistivity (Ωm) [If shale resi
    25 KB (3,679 words) - 21:17, 13 March 2019
  • Wireline formation testers
    Measurements of water resistivity, [[API gravity]], gas to oil ratio, and water chemistry can be performed at the we
    10 KB (1,446 words) - 17:42, 18 January 2022
  • Quick-look lithology from logs
    ! Lithology || Gamma Ray Values (in API units) ...[Permian basin]] in the United States, may have gamma ray values up to 200 API units, resembling shale.
    25 KB (3,637 words) - 19:39, 18 January 2022
  • Fluid inclusions: analysis and applications
    ...ure6.jpg|thumb|300px|{{figure number|6}}Illustration of comparison between API gravity of petroleum fluorescence emission color when excitation is by narr ...for the presence of hydrocarbons. Fluorescence emissions also correlate to API gravity, since different chemical compositions will emit varying degrees of
    20 KB (2,691 words) - 21:06, 21 April 2022
  • Mudlogging: drill cuttings analysis
    ...mples are packaged in cloth bags and labeled with the well name, operator, API number or well location, and sample depth. Dry-cut samples are either dried
    10 KB (1,482 words) - 15:25, 24 January 2022
  • Enhanced oil recovery
    ...thermal processes, this is accomplished by heating a very [[heavy oil]] ([[API gravity]]).
    12 KB (1,794 words) - 21:19, 19 January 2022
  • Eagle Ford Group, southwest Texas
    ...itial liquids flowrates are generally higher for wells producing oils with API gravities between 30-45° and most gas produced during tests have gas gravi
    10 KB (1,550 words) - 21:50, 3 March 2022
  • Drill stem testing
    ...he drill string increased by 115 psig. An oil gravity of 42° [[API gravity|API]] was recorded from the sample chamber. A gradient of 0.389 psi/ft was calc
    26 KB (4,009 words) - 15:09, 24 January 2022
  • Yowlumne field
    ...m/km), a large density difference of 0.154 g/cc between the oils (32&deg; API) and formation waters (TDS [total dissolved solids] of 22,000 ppm) is more
    13 KB (1,896 words) - 19:02, 11 March 2019
  • Shale-oil resource systems
    ...value of a reservoir. Basic tests include determination of sulfur content, API [[gravity]], viscosity, and yield of polar resin and asphaltene relative to ...79.2 to 1437.1 m (4525–4715 ft) yielded 24.6 m3/day (155 bbl/day) of 17deg API oil and 481.4 m3/day (17 mcf/day), with a gas-oil ratio (GOR) of 19.5 m3/m3
    97 KB (14,873 words) - 19:53, 11 January 2024
  • Petroleum exploration
    ...more information of the type of the target like its viscosity, chemistry, API, carbon content, etc.
    15 KB (2,331 words) - 19:12, 17 April 2019
  • Condensate banking effect
    ! || Initial producing GOR (scf/STB) || Initial API gravity of liquid || Color of stock tank liquid || Mol% of C7+ || Phase cha
    21 KB (3,040 words) - 15:22, 12 December 2022
  • Jordan petroleum geology
    ...of organic-rich Silurian shales with total gamma-ray values exceeding 150 API, corresponding to organic richness values of greater than 1–2%, depending
    16 KB (2,310 words) - 15:13, 19 January 2017
  • Arecuna field
    ...but to year-end 1996, it had produced only 2.2 million barrels of 7.5-16° API oil from 35 producing wells. Initial completions were all from vertical wel
    16 KB (2,381 words) - 19:03, 11 March 2019
  • Open hole tools
    * '''Fluid properties''', which include density, gas to oil ratio, [[API gravity]], water resistivity and salinity, temperature, and pressure
    23 KB (3,350 words) - 17:26, 18 January 2022
  • Gas chromatography: data obtained
    ...tially converted into an extremely biodegraded remnant oil (bottom). The [[API gravity]] of the oil decreases and sulfur content increases substantially w
    22 KB (3,123 words) - 21:38, 15 February 2022
  • Geology workstation
    ...information (such as operator, year, total depth, status, elevation, and [[API gravity]]), deviation surveys, formation tops, fault cuts, results of drill ...nsions to it have been proposed.<ref name=pt08r8>Froman, N. L., 1989, DLIS—API Digital Log Interchange Standard: The Log Analyst, v. 30, n. 5, p. 390–39
    19 KB (2,872 words) - 14:28, 20 January 2022
  • Types of wells
    ...s to ultimately drill over 1000 horizontal laterals to produce the 8–10deg API [[gravity]] oil.<ref>Tankersley, T. H., and M. W. Waite, 2002, Reservoir mo
    22 KB (3,567 words) - 17:20, 11 March 2019
  • Log analysis applications
    ...g interchange standard, or DLIS.<ref name=pt08r8>Froman, N. L., 1989, DLIS—API Digital Log Interchange Standard: The Log Analyst, v. 30, n. 5, p. 390–39
    21 KB (3,142 words) - 16:20, 20 January 2022
  • Well types
    ...drill over 1000 horizontal [[lateral|laterals]] to produce the 8–10&deg; [[API gravity]] oil.<ref name=Tankersleyandwaite_2002>Tankersley, T. H., and M. W
    24 KB (3,753 words) - 19:33, 3 March 2016
  • Appalachian Basin Marcellus gas play
    ...and northern West Virginia, peak gamma-ray counts in excess of 300 to 400 API are not uncommon and reflect the generally higher TOC contents in the south ...= matrix density ρmatrix (in grams per cubic centimeter); GAPI = gamma-ray API units; SEM = scanning electron microscope; TVD = true vertical depth (in ft
    89 KB (13,415 words) - 19:16, 16 January 2024
  • West Texas Super Basin
    ...re stage. The oils are 38 API gravity versus peak maturity oils in the 42+ API gravity range. Whiting Oil drilled, cored the Woodford in 2009, and complet ...elf of the Midland Basin. The Peak Maturity to Late Maturity having higher API gravity, lower viscosity, higher gas–oil ratios, and, therefore, better d
    157 KB (23,278 words) - 18:36, 16 January 2024
  • Wattenberg field
    ...ure is 1450 psi, drive mechanism is solution-gas drive, oil gravity is 42° API, and minimum water saturation is 30%. Average initial potential from wells
    72 KB (10,249 words) - 20:06, 15 January 2024
  • Vaca Muerta play
    ...rable resources. The resource consisted of good quality shale oil, with an API of 40°–45°, covering an area of 428 km2 in the Loma la Lata–Sierra Ba
    77 KB (11,201 words) - 20:07, 15 January 2024
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