1,082 articles
Arlanskoye oil field
The Arlanskoye oil field (Арланское месторождение) is a giant oil field in northwest Bashkortostan, Russia, discovered in 1955 and the largest in the republic by reserves.
As-Sarah Oil Field
The As-Sarah Oil Field, also written As Sarah, is an onshore oil field in Libya's Sirte Basin, discovered in 1989 and operated by Sarir Oil Operations.
Asab Oil Field
The Asab oil field (アサブ油田) is an onshore oil field in Abu Dhabi, United Arab Emirates, discovered in 1965 and brought into production in 1974, operated by ADNOC Onshore.
Asasa Oil Field
Asasa Oil Field is an offshore oil field about 50 km off Nigeria's Niger Delta, developed by Mobil and NNPC and brought on line in 1996.
Atapu Oil and Gas Field
Atapu is a pre-salt oil field in the Santos Basin off Brazil, producing since 2020 through the FPSO P-70 in water depths of about 2,000 meters.
Athabasca oil sands
The Athabasca oil sands, also called the Athabasca Tar Sands, are a large deposit of bitumen-bearing sand in northeastern Alberta near Fort McMurray, the largest of Alberta's three oil sands areas.
Athabasca Oil Sands Project
The Athabasca Oil Sands Project (AOSP) is an oil sands operation in northern Alberta combining the Muskeg River and Jackpine mines with the Scotford Upgrader, producing about 328,000 barrels daily.
Atmospheric distillation
Atmospheric distillation is the first step in every petroleum refinery, heating crude oil to about 600 to 750 degrees Fahrenheit in a tall column to separate it into naphtha, kerosene, gas oil, and residue.
Atrush Oil and Gas Field
The Atrush Oil and Gas Field is an onshore oil field in the Kurdistan Region of Iraq, 85 km northwest of Erbil, discovered in 2011.
Auca Oil and Gas Field
The Auca oil and gas field is an onshore oil field in the Oriente basin of Ecuador, discovered in 1970, owned by EP Petroecuador, and operated by Shaya Ecuador.
Augila-Nafoora Oil Field
Augila-Nafoora, also written Nafoora-Augila or Nafoura, is a giant onshore oil field in the eastern Sirte Basin of Libya that peaked at over 380,000 barrels per day in 1969.
Automated drilling
Automated drilling is the use of control systems, software, and downhole tools to drill oil and gas wells with reduced manual intervention, spanning guidance, driller-approved decisions, and autonomy.
Azadegan Field
Azadegan Field is a giant onshore oil field in Khuzestan province, southwest Iran, near the Iraqi border, discovered in 1998 and split into North and South Azadegan.
Azeri–Chirag–Gunashli
Azeri–Chirag–Gunashli (ACG) is a complex of three offshore oil fields in the Azerbaijani sector of the Caspian Sea, about 100 km east of Baku, operated by BP.
Bab Oil and Gas Field
The Bab Oil and Gas Field is an onshore field in Abu Dhabi, United Arab Emirates, site of the country's first commercial oil discovery in 1960, operated by ADNOC Onshore.
Bacalhau Field
Bacalhau is a giant pre-salt oil field in Brazil's Santos Basin, operated by Equinor, discovered by Petrobras in 2012 and producing since 15 October 2025 through the FPSO Bacalhau.
Bạch Hổ Field
The Bạch Hổ Field (mỏ Bạch Hổ, "White Tiger") is Vietnam's largest offshore oil field, discovered in 1984 and operated by the Vietsovpetro joint venture.
Bachaquero Oil Field
The Bachaquero Oil Field is a heavy-oil field on the eastern shore of Lake Maracaibo in Zulia, Venezuela, discovered by Shell in 1930 and operated since 2012 through the Petrozamora joint venture.
Bai Hassan Oil Field
Bai Hassan Oil Field (باي حسن) is an onshore oil field in northern Iraq near Kirkuk, discovered in 1953, producing since 1960, and operated by the North Oil Company.
Balakhany
Balakhany (Balaxanı) is an oil field on the Absheron Peninsula of Azerbaijan, about 12 km northeast of Baku, and part of the Balakhany–Sabunchu–Ramana field producing since 1871.
Balder (oil field)
Balder is an oil field in the central North Sea on the Norwegian shelf, the first hydrocarbon discovery there in 1967, producing since 1999 and operated by Vår Energi.
Balder Oil and Gas Field
Balder is an oil and gas field in the central Norwegian North Sea, whose discovery well proved the first hydrocarbons on the Norwegian continental shelf in 1967.
Baleia Azul Oil and Gas Field
Baleia Azul, Portuguese for Blue Whale, is an offshore oil and gas field in the northern Campos Basin off Espírito Santo, Brazil, discovered in 2004 and produced from 2012.
Baleia Franca Oil and Gas Field
Baleia Franca was an offshore oil field in the Campos Basin, about 85 km off Anchieta, Espírito Santo, Brazil, with pre-salt production from 2010 to 2019.
Baleine (oil field)
Baleine is a deepwater oil and gas field in blocks CI-101 and CI-802, offshore Côte d'Ivoire, discovered by Eni in September 2021 and producing since August 2023.
Ballymore (oil field)
Ballymore is a Chevron-operated deepwater oil field in the Gulf of Mexico, producing from the Jurassic Norphlet Formation as a subsea tieback to the Blind Faith platform since April 2025.
Bandurria Field
Bandurria Sur is a shale oil and gas block in Argentina's Vaca Muerta formation, operated by YPF and among the Neuquén Basin's most productive areas.
Bandurria Sur Oil and Gas Field
Bandurria Sur is a shale oil and gas block in the Vaca Muerta formation, Neuquén, Argentina, operated by YPF under a 35-year concession granted in 2015.
Banga Kayo Oil and Gas Field
Banga Kayo is an onshore oil and gas field in the Republic of the Congo, near Pointe-Noire, discovered in 2013 and operated by Wing Wah.
Banyen Oil Field
The Banyen Oil Field, also written Ban Yen, is an offshore oil field in the northern Gulf of Thailand producing light sweet crude since August 2008.