1,466 articles
Ogbele gas field
The Ogbele gas field is an onshore oil and gas field in Rivers State in the Niger Delta, Nigeria, operated by Aradel Holdings and producing since 2005.
Oil & Gas Development Company
Oil & Gas Development Company Limited (OGDCL) is Pakistan's largest state-owned exploration and production company, established in 1961 and producing about 49% of national oil output.
Oil and gas industry in Ghana
The oil and gas industry in Ghana is an offshore petroleum sector producing from the Jubilee, TEN, and Sankofa-Gye Nyame fields, with output peaking in 2019.
Oil and gas industry in India
The oil and gas industry in India, also called the petroleum industry in India, spans exploration, refining, and marketing, with about 88 percent of crude oil imported.
Oil and Natural Gas Corporation (तेल एवं प्राकृतिक गैस निगम)
Oil and Natural Gas Corporation (तेल एवं प्राकृतिक गैस निगम), known as ONGC, is an Indian state-owned oil and gas company headquartered in New Delhi, producing about 71 percent of India's domestic oil and gas.
Oil distillation
Oil distillation is the process that heats crude oil and condenses its vapor fractions at different boiling ranges; its crude unit is the first in virtually all refineries.
Oil in Kenya
Oil in Kenya refers to the country's petroleum resources, first discovered commercially at Ngamia-1 in the South Lokichar Basin, Turkana County, in 2012, with production planned from 2026.
Oil India
Oil India Limited is an Indian state-owned oil and gas exploration and production company headquartered at Duliajan in Assam, incorporated in 1959 to develop the Naharkatiya oilfields.
Oil platform
An oil platform, also called an offshore platform, is a structure on the seabed that drills wells and extracts petroleum and natural gas from beneath the ocean floor.
Oil refinery
An oil refinery, also called a petroleum refinery, is an industrial facility that converts crude oil into products like gasoline, diesel, jet fuel, and asphalt through separation, conversion, and treatment.
Oil reserves in Saudi Arabia
Oil reserves in Saudi Arabia, also called Saudi oil reserves, are estimated at about 267 billion barrels of proven crude oil, roughly 17 percent of the world's reserves.
Oil reserves in Venezuela
The oil reserves in Venezuela, also called Venezuelan oil reserves, are the world's largest proven crude reserves at about 303 billion barrels, mostly extra-heavy oil in the Orinoco Belt.
Oil Rocks Oil Field
Oil Rocks (Neft Daşları) is an offshore oil field and settlement in the Azerbaijani sector of the Caspian Sea, where the world's first offshore well was drilled in 1949.
Oil spill
An oil spill, also called an oil slick, is the release of liquid petroleum into the environment, most often the ocean, from tankers, pipelines, offshore drilling, or natural seeps.
Oil well
An oil well is a hole drilled into the earth to find or produce crude oil or natural gas, passing from drilling through casing, completion, and production to plugging.
Oil-based mud
Oil-based mud is a drilling fluid with oil as the continuous phase and brine emulsified as droplets, used in rotary drilling for shale stability, lubricity, and high-temperature wells.
Oiltanking
Oiltanking is a German tank storage company, a subsidiary of Marquard & Bahls, operating 64 terminals in 24 countries for crude oil, petroleum products, and chemicals.
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.
OMV
OMV is an Austrian integrated energy, fuels, and chemicals company headquartered in Vienna. Founded in 1956, it is Austria's largest listed industrial company, with 1,708 filling stations in eight European countries.
OMV Petrom
OMV Petrom is a Romanian integrated energy company and the largest in Southeastern Europe, majority-owned by Austria's OMV and listed on the Bucharest Stock Exchange.
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.
ONGC
ONGC, or Oil and Natural Gas Corporation Limited, is an Indian state-controlled oil and gas producer headquartered in New Delhi, supplying about 71 percent of domestic production.
ONGC Videsh
ONGC Videsh Limited (OVL), founded in 1965, is the wholly owned overseas oil and gas exploration arm of India's state-owned ONGC and the country's second largest petroleum company.
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.
OPET (fuel company)
OPET is a Turkish fuel distribution company founded in 1992 by Fikret and Nurten Öztürk, half owned by Koç Group, with about 1,882 stations under the OPET and SUNPET brands.
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.