1,466 articles
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.
Maloob Oil and Gas Field
Maloob is an offshore heavy-oil field in the Bay of Campeche, Mexico, discovered in 1979 and operated by Pemex as part of the Ku-Maloob-Zaap project.
Mammoth Energy Services
Mammoth Energy Services is an Oklahoma City-based energy company providing well completion services for North American oil and gas, plus electric grid construction and repair through subsidiary Cobra.
Mamontovskoye Oil Field
Mamontovskoye (Мамонтовское) is a large onshore oil field in the Khanty-Mansi Autonomous Okrug of West Siberia, Russia, discovered in 1965, producing since 1970, and operated by Rosneft subsidiary RN-Yuganskneftegaz.
Managed pressure drilling
Managed pressure drilling (MPD) is an adaptive drilling process that precisely controls annular pressure throughout the wellbore, avoiding influx of formation fluids in narrow-window reservoirs.
Manantiales Behr Oil and Gas Field
Manantiales Behr is a conventional oil and gas field in Chubut, Argentina, discovered in 1928 and operated by YPF until its 2026 transfer to PECOM.
Mangalore Refinery and Petrochemicals
Mangalore Refinery and Petrochemicals Limited, or MRPL, is an Indian oil refining company in Mangalore, Karnataka, operating a 15 MMTPA refinery as a subsidiary of ONGC.
MangistauMunaiGaz
MangistauMunaiGaz (MMG) is a Kazakhstani oil and gas company based in Aktau, western Kazakhstan, operating mature oil fields and jointly owned since 2009 by KazMunayGas and China National Petroleum Corporation.
Manifa Oil Field
Manifa Oil Field is an offshore Saudi Aramco oil field in the Arabian Gulf north of Jubail, Saudi Arabia, and the fifth largest oil field in the world.
Mansouri Oil Field
Mansouri Oil Field is an onshore oil field in Khuzestan province, southwest Iran, about 40 km south of Ahvaz, discovered in the early 1960s and producing since 1974.
Marathon Oil
Marathon Oil Corporation, originally The Ohio Oil Company, was an American oil and gas producer founded in Lima, Ohio, in 1887 and acquired by ConocoPhillips in 2024.
Marathon Petroleum
Marathon Petroleum Corporation, headquartered in Findlay, Ohio, is an American energy company spun off from Marathon Oil in June 2011 that operates 13 refineries with about 3.0 million barrels per day of capacity.
Margham Oil Field
The Margham Oil Field, also written Marghan, is an onshore gas and condensate field in Dubai, UAE, discovered in 1982 and Dubai's only commercial onshore reservoir.
Marine Gas Oil
Marine gas oil (MGO) is a low-sulfur distillate marine fuel for diesel engines and boilers, the standard compliance fuel in IMO sulfur Emission Control Areas.
Mariner Oil and Gas Field
Mariner is a heavy oil field on the East Shetland Platform in the UK northern North Sea, about 150 km east of Shetland, producing since August 2019.
Marjan Oil and Gas Field
Marjan (مرجان) is an offshore oil and gas field in the Arabian Gulf off northeastern Saudi Arabia, discovered in 1967, producing since 1973, and operated by Saudi Aramco.
Marlim Oil and Gas Field
Marlim is a giant deepwater oil field in the Campos Basin, about 110 km off Rio de Janeiro, Brazil, discovered by Petrobras in 1985 with peak production of 586,315 barrels per day in 2002.
Marmul Oil Field
The Marmul oil field is a heavy-oil field in Dhofar province, southern Oman, discovered in 1956, brought on stream in 1980, and operated by Petroleum Development Oman.
Martin Julian Blunt
Martin Julian Blunt, also known as Martin Blunt, is Professor of Petroleum Engineering at Imperial College London, known for research on multiphase flow in porous media and carbon storage.
Marun Oil Field
Marun (Persian: مارون) is a giant onshore oil field in the Dezful Embayment of southwestern Iran, discovered in 1964 and producing mainly from the Asmari reservoir.
Mataripe Refinery
The Mataripe Refinery (Refinaria de Mataripe), formerly the Landulpho Alves Refinery, is an oil refinery in Bahia, Brazil, opened in 1950 and today the country's second largest.
Maurel & Prom
Maurel & Prom is a French oil and gas exploration and production company, founded in 1831 as a shipping business and now majority-owned by Indonesia's Pertamina.
Maya crude
Maya crude is a heavy, sour crude oil produced in Mexico by the state oil company Pemex, with an API gravity of 21 to 22 degrees and 3.4 percent sulfur.
Maydan Mahzam Oil and Gas Field
Maydan Mahzam is an offshore oil and gas field in Qatari waters, discovered by Shell in 1963 and producing since 1965, about 110 km northeast of mainland Qatar.
Mbede Oil and Gas Field
The Mbede Oil and Gas Field is an onshore oil and gas field in Nigeria's Niger Delta, operated by the Nigerian Agip Oil Company joint venture since 1972.