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Drilling, refining, and products

1,082 articles

Lloydminster upgrader

The Lloydminster upgrader, commissioned in 1992 as the Bi-Provincial Upgrader, is a heavy oil facility in Saskatchewan, owned by Cenovus Energy, that converts heavy crude into synthetic crude oil and diesel.

Lobito Oil Field

The Lobito Oil Field is a deepwater oil field in Block 14, offshore Angola, discovered in 2000 and operated by Chevron as part of the BBLT development.

Lodochnoye Oil and Gas Field

The Lodochnoye oil and gas field, discovered in 1985, lies in Krasnoyarsk Krai in northern Russia and has produced oil since 2017 as a Vankor cluster satellite.

Lofn/Langemann

Lofn and Langemann are two adjacent gas and condensate discoveries made in 2025 in the Sleipner area of the Norwegian North Sea by Equinor and Aker BP.

Logging while drilling

Logging while drilling (LWD) is a geophysical well-logging technique that measures formation properties, such as resistivity and porosity, with sensors in drill collars just above the drill bit.

Loma Campana Oil and Gas Field

Loma Campana is a shale oil and gas field in Argentina's Vaca Muerta formation, operated by YPF with Chevron and producing about 100,000 barrels per day.

Los Angeles refinery

Los Angeles refinery is the shared name of two large petroleum refineries in Wilmington and Carson, Los Angeles County, California; Marathon's is the largest on the West Coast.

Los Perales Oil and Gas Field

Los Perales Oil and Gas Field is a producing conventional oil and gas field in Santa Cruz province, Argentina, near Las Heras, historically operated by YPF.

Loyal Oil and Gas Field

Loyal is an oil and gas field on the UK Continental Shelf west of Shetland, discovered in 1994 and producing through BP's Glen Lyon FPSO.

Lubnor

Lubnor, or Refinaria Lubrificantes e Derivados do Nordeste, is a small specialty oil refinery owned by Petrobras in Fortaleza, Ceará, Brazil, inaugurated in 1966 as Asfor.

Lubricating oil

Lubricating oil is a petroleum-derived or synthetic liquid applied between moving surfaces to reduce friction and wear, and it also removes heat, seals out contaminants, and inhibits corrosion.

Luda 21-2/16-3 Oil Field

Luda 21-2/16-3 Oil Field (旅大21-2/16-3) is an offshore oil field in Liaodong Bay of the Bohai Sea under Tianjin, China, operated by CNOOC and producing since 2020.

Luda 4-2 Oil Field

Luda 4-2 Oil Field (旅大4-2) is an offshore heavy oil field in Liaodong Bay, China's Bohai Sea, discovered in 2002 and producing since 2005, operated by CNOOC.

Luda 5-2N Oil Field

Luda 5-2N Oil Field (旅大5-2北油田, also written Luda 5-2 North) is an offshore ultra-heavy oil field in Liaodong Bay, China's Bohai Sea, operated by CNOOC Limited.

Lufeng 15-1 Oil Field

Lufeng 15-1 Oil Field is a deepwater oil field in the Pearl River Mouth Basin, South China Sea, developed by CNOOC and home to the Haiji-1 platform.

Luhais Oil Field

Luhais Oil Field (حقل اللحيس) is an onshore oil field in Basra Governorate, southern Iraq, discovered in 1961 and operated by the Basra Oil Company.

Luliang Oil Field

Luliang Oil Field (陆梁油田) is an onshore oil field in the Gurbantunggut Desert in the Junggar Basin, Xinjiang, China, discovered in 2000 and operated by PetroChina's Xinjiang Oilfield Company.

M'Boundi Oil and Gas Field

M'Boundi is a large pre-salt oil and gas field onshore in the Republic of the Congo, discovered in 2001 by Maurel & Prom and operated by Eni since 2007.

Mackerel Oil and Gas Field

Mackerel is an offshore oil field in the Gippsland Basin of Bass Strait off Victoria, Australia, discovered in 1969 and producing through the Mackerel platform since 1977.

Mad Dog Field

Mad Dog is a deepwater oil and gas field in the Gulf of Mexico, discovered in 1998 and operated by bp, with production starting in 2005.

Madrefil Oil and Gas Field

Madrefil Oil and Gas Field is an onshore oil and gas field in Tabasco, Mexico, discovered in 1983 and operated by Pemex under a 20-year extraction assignment since 2009.

Mafumeira oil field

Mafumeira is an oil and gas field in Block 0 offshore Cabinda province, Angola, discovered in 1998 and developed by Chevron's subsidiary CABGOC in two stages.

Mafumeira Sul Oil and Gas Field

Mafumeira Sul, or Mafumeira South, is an offshore oil and gas field in Block 0 off Cabinda province, Angola, operated by Chevron and producing since 2016.

Magnus Oil and Gas Field

The Magnus Oil and Gas Field is a North Sea oil field 160 kilometers northeast of the Shetland Islands, discovered in 1974 and producing since 1983.

Magwa Oil and Gas Field

The Magwa Oil and Gas Field, also written Maqwa, is an oil field in southern Kuwait that forms, with Burgan and Ahmadi, the Greater Burgan accumulation.

Mahu Tight Oil Field

The Mahu Tight Oil Field is a giant tight conglomerate oil field in the Junggar Basin, Xinjiang, China, with reported in-place reserves of 1.24 billion tons.

Majnoon Field

Majnoon (مجنون) is a giant onshore oil field in Basra Governorate, southern Iraq, near the Iranian border, with estimated reserves of over 38 billion barrels.

Makaraba Oil and Gas Field

Makaraba Oil and Gas Field is an onshore oil and gas field in Nigeria's western Niger Delta, discovered in 1973 and operated by Chevron Nigeria Limited.

Malikai Oil and Gas Field

Malikai is a deepwater oil field about 100 km off Sabah, Malaysia, discovered in 2004 and operated by Shell through Malaysia's first tension leg platform.

Malobalykskoye Oil Field

Malobalykskoye Oil Field (Малобалыкское) is a large oil field in Western Siberia, Russia, operated by Rosneft subsidiary RN-Yuganskneftegaz; discovered in 1966, it holds about 150 million tonnes of initial reserves.