1,082 articles
3-2-1 crack spread
The 3-2-1 crack spread is a benchmark of oil refinery profitability, comparing the revenue from 2 barrels of gasoline and 1 of distillate against 3 barrels of crude.
3D seismic survey
A 3D seismic survey is a geophysical survey that records seismic waves over an area, producing a 3D image of the subsurface; it is the dominant method in petroleum exploration.
4D seismic
4D seismic, or time-lapse seismic, is the repeated acquisition of 3D surveys over the same field to image changes in a reservoir, such as fluid movement and pressure.
Abkatún oil field
Abkatún is a light-oil field in the Bay of Campeche off Campeche and Tabasco, Mexico, discovered and brought onstream in June 1980; it peaked at 510,000 barrels per day in 1984 and is operated by PEMEX.
Abo oil field
The Abo oil field is a deepwater oil field in the western Niger Delta, offshore Nigeria, first in Nigerian deep waters to start production, in April 2003.
Abqaiq
Abqaiq (بقيق) is a Saudi Arabian oil field in the Eastern Province, discovered in 1940, whose Aramco processing complex is the largest in the world.
Abqaiq oil field
The Abqaiq oil field is an onshore oil field in Saudi Arabia's Eastern Province, discovered in 1940 and operated by Saudi Aramco, home to the world's largest crude stabilizer.
Abreu e Lima Refinery
The Abreu e Lima Refinery (Refinaria Abreu e Lima, RNEST) is a Petrobras oil refinery in Ipojuca, Pernambuco, Brazil, producing diesel for northern and northeastern Brazil since 2014.
Abteymour oil field
The Abteymour oil field is an onshore oil field in Khuzestan, southwestern Iran, near Ahvaz, owned by the National Iranian Oil Company and producing heavy oil since 1991.
Abu Al Bukhoosh oil field
Abu Al Bukhoosh (ابو البخوش) is an offshore oil and gas field in Abu Dhabi waters of the Persian Gulf, discovered in 1969 and producing since 1974.
Abu Attifel Oil and Gas Field
Abu Attifel, also written Bu Attifel, is a giant onshore oil field in Libya's Sirte basin, discovered by Agip and onstream since 1972, operated by Mellitah Oil & Gas.
Abu El Gharadig Oil and Gas Field
Abu El Gharadig is an oil and gas field in Egypt's Western Desert, about 260 km west of Cairo, discovered in 1969 and producing since 1973.
Abu Gharb Oil Field
Abu Gharb Oil Field (ابو غرب), commonly spelled Abu Ghirab, is an onshore oil field in Missan governorate, southeastern Iraq, near the Iranian border; production began in 1976.
Abu Sa`fah Oil Field
Abu Safah (حقل أبو سعفة) is a super-giant offshore oil field in the Arabian Gulf, shared equally by Saudi Arabia and Bahrain since production began in 1966.
Abuzar Oil Field
Abuzar Oil Field, also written Abouzar and known in Iran as Ardeshir, is an offshore oil field in the Persian Gulf northwest of Kharg Island, Iran.
Acidizing
Acidizing is a well-stimulation technique that pumps acid, usually hydrochloric acid, into a well or reservoir formation to dissolve flow-restricting material and improve production, first patented in 1896.
Acordionero Oil and Gas Field
Acordionero is an oil field in San Martín, Cesar, in Colombia's Middle Magdalena Valley basin, discovered in 2013 and operated by Gran Tierra Energy, the company's largest field there.
Adanga Oil and Gas Field
The Adanga oil and gas field is an offshore oil field in Nigerian waters offshore Calabar, producing since 1986 and operated by NNPC subsidiary Antan since 2023.
Adanga South Oil and Gas Field
Adanga South is an oil and gas field in the eastern Niger Delta offshore Calabar, Nigeria, within Oil Mining Lease 123, a southern extension of the Adanga field complex.
Adua Oil and Gas Field
The Adua Oil and Gas Field is an operating offshore oil and gas field in Nigeria's Niger Delta, in block OML 70, discovered in 1967 and operated by Mobil Producing Nigeria.
Aershan Oil Field
The Aershan Oil Field (阿尔善) is an oil field in the Erlian Basin of Inner Mongolia, China, discovered in 1981 and operated by PetroChina Huabei Oilfield Company.
Afiesere/Eriemu Oil Field
The Afiesere/Eriemu Oil Field combines two adjacent fields in the Niger Delta's OML 30 near Warri, Nigeria, discovered in 1961 and 1966, with about 265 million barrels produced.
Agbara Oil and Gas Field
Agbara is a producing oil and gas field in block OML 116 in the offshore Niger Delta, Nigeria, on stream since 1989 with nearly 100 million barrels produced by 2009.
Aghajari Field
Aghajari Field, also written Agha Jari (Persian آغاجاری), is a giant onshore oil field in Khuzestan, southwestern Iran, discovered in 1936 and peaked at 1 million barrels per day in 1974.
Aghajari Oil Field
The Aghajari Oil Field, also written Agha Jari, is a giant onshore oil field in Khuzestan province, southwestern Iran, discovered in 1936 and producing from the Asmari Limestone.
Agogo Oil Field
The Agogo oil field is a deepwater field in Block 15/06, about 180 kilometers off Angola, discovered by Eni in 2019 and now producing through the Agogo Integrated West Hub.
Aguada de la Arena Oil and Gas Field
Aguada de la Arena is a hydrocarbon field in the Vaca Muerta shale, Neuquén Province, Argentina, granted as a concession in 1997 and owned and operated by YPF.
Ahdab Oil and Gas Field
The Ahdab oil field (Al-Ahdab, Ahdeb) is an onshore field in Wasit Governorate, Iraq, discovered in 1979 and site of Iraq's first post-2003 technical service contract with China's CNPC.
Air drilling
Air drilling is a rotary drilling method that uses compressed air rather than water or mud as the circulation medium, typically in hard, dry formations where it drills faster.
Ajeel Oil and Gas Field
Ajeel, also spelled Ajil, is an oil and gas field in northern Iraq near Tikrit, discovered in 1977 and suspended in 2015 after the ISIS takeover.