1,082 articles
Okpai Oil and Gas Field
The Okpai Oil and Gas Field is an onshore oil and gas field in Nigeria's Niger Delta, best known for hosting Nigeria's first oil-company-built independent power plant.
Olombendo Oil and Gas Field
The Olombendo oil and gas field is the East Hub development of Angola's Block 15/06, producing oil through the FPSO Armada Olombendo since February 2017.
Ombinskoye Oil Field
Ombinskoye Oil Field (Омбинское месторождение) is an onshore oil field near Nefteyugansk in western Siberia, Russia, discovered in 1978, developed by Rosneft's RN-Yuganskneftegaz, with reserves of about 247 million barrels.
Onel Oil and Gas Field
Onel is an offshore oil and gas field in the Gulf of Mexico off Tabasco and Campeche, Mexico, discovered in 2004 and wholly owned and operated by Pemex.
Oooguruk Oil and Gas Field
The Oooguruk Oil and Gas Field is an offshore Alaska North Slope field producing since 2008 from an artificial gravel island in Harrison Bay, Beaufort Sea, now operated by Hilcorp.
Orekhovo-Yermakovskoye Oil Asset
Orekhovo-Yermakovskoye field (Орехово-Ермаковское месторождение) is a mature, low-permeability oil field in West Siberia, 33 km northeast of Nizhnevartovsk, revived since 2016 by horizontal drilling, multistage fracturing, and gel-based enhanced oil recovery.
Orinoco Belt
The Orinoco Belt, Spanish Faja Petrolífera del Orinoco, is a huge deposit of heavy and extra-heavy crude oil north of Venezuela's Orinoco River, the largest known hydrocarbon accumulation.
Orocual Oil Field
Orocual is an oil and gas field in northern Monagas state, eastern Venezuela, about 20 km northwest of Maturín, producing light oil and condensate since its 1933 discovery.
Oseberg
Oseberg is a Norwegian North Sea oil and gas field around 130 km northwest of Bergen, discovered in 1979, producing since 1988, and operated by Equinor.
Oshskoye Oil Field
Oshskoye Oil Field (Ошское) is an oil field in Russia's Timan-Pechora province, developed by LUKOIL-Komi since 2012 and known for a 2021 pipeline spill into the Kolva River.
Oso Oil and Gas Field
The Oso Oil and Gas Field is a giant offshore gas condensate field about 12 miles off southeastern Nigeria, discovered in 1967 and producing since 1992.
Øst Frigg
Øst Frigg is a shut-down Norwegian North Sea gas field, east of Frigg, which produced gas from 1988 to 1997 and is being redeveloped as part of Yggdrasil.
Otakikpo Oil and Gas Field
Otakikpo is a marginal oil and gas field in the Niger Delta's coastal swamp, Rivers State, Nigeria, producing commercially since February 2017 under Green Energy International.
Otumara Oil and Gas Field
Otumara Oil and Gas Field is an onshore oil and gas field in the western Niger Delta of Nigeria, part of OML 43 near Warri.
Ourhoud Oil Field
Ourhoud is a giant onshore oil field in eastern Algeria's Berkine Basin, the country's second largest after Hassi Messaoud, producing from Triassic sandstones since 2002.
Oxiacaque Oil and Gas Field
Oxiacaque is an operating onshore oil and gas field in Tabasco, Mexico, discovered in 1977 and operated by Pemex, producing medium sour crude from a fractured carbonate reservoir.
Oyot Oil and Gas Field
The Oyot Oil and Gas Field is an offshore oil and gas field in Nigeria in concession block OML 70, distinct from the similar Oyo field in OML 120.
Pacassa Oil Field
Pacassa Oil Field (Campo de Pacassa) is a conventional oil field in shallow water offshore Angola, discovered by Elf in 1982 and producing from Cretaceous Pinda carbonate reservoirs.
Packer (oil well tool)
A packer is a downhole device that expands to seal the wellbore annulus in oil and gas wells, isolating zones for controlled production, injection, or treatment.
Palagua Oil and Gas Field
The Palagua Oil and Gas Field is an oil field in the Middle Magdalena Valley Basin of Colombia near Puerto Boyacá, discovered in 1954 and operated by Ecopetrol.
Palanca Oil Field
The Palanca Oil Field is an offshore oil field about 37 km off Angola, discovered in 1981 with first oil in 1985 and developed by Elf Aquitaine.
Pambi Oil Field
Pambi is an offshore oil field in Block 3/05 in the Lower Congo Basin, about 37 km off Angola, discovered in 1990 with first oil in 1995.
Pampo Oil Field
The Pampo Oil Field is an offshore field in the Campos Basin off Rio de Janeiro, Brazil, discovered by Petrobras in 1977 and owned by Trident Energy since 2020.
Pamyatno-Sasovskoye Oil Field
Pamyatno-Sasovskoye oil field (Памятно-Сасовское месторождение) is an oil field in Volgograd Region, Russia, discovered in 1992 and operated by LUKOIL subsidiary RITEK, described as the largest in Volgograd Oblast.
Papa-Terra Oil and Gas Field
Papa-Terra is a deepwater heavy-oil field in block BC-20 in Brazil's southern Campos Basin, about 110 km off Rio de Janeiro, discovered in 2003, producing since 2013, and operated by Brava Energia.
Parabe/Eko Oil and Gas Field
The Parabe/Eko Oil and Gas Field is an operating conventional oil and gas field offshore Nigeria on the Niger Delta continental shelf, operated by Chevron Nigeria Limited with NNPC.
Paraffinic Froth Treatment
Paraffinic froth treatment (PFT) is an oil sands bitumen cleaning process, first commercialized by Albian Sands in 2002, in which a paraffinic solvent precipitates asphaltenes from bitumen froth.
Parco refinery
The Parco refinery is a 94,000 barrel-per-day oil refinery in Sinclair, Wyoming, opened in 1923 and owned by HF Sinclair since 2022; it serves the Rocky Mountain region.
Partitioned Zone (Saudi Arabia–Kuwait)
The Partitioned Zone, also called the Neutral Zone, is an area between Kuwait and Saudi Arabia left undivided by the 1922 Uqair Convention, with oil wealth shared.
Pasadena Refinery
The Pasadena Refinery is a Chevron-owned oil refinery in Pasadena, Texas, on the Houston Ship Channel, built in 1919 with a capacity of 125,000 barrels per day.