1,466 articles
Cobia / Tuna Oil and Gas Field
Cobia and Tuna are adjacent oil and gas fields in the Gippsland Basin, Bass Strait, off Victoria, Australia, discovered in 1972 and 1968 and developed by the Esso/BHP joint venture.
Coiled tubing
Coiled tubing is a continuous, jointless steel pipe spooled on a reel and pushed into live oil or gas wells by an injector head for intervention without a workover rig.
Cold Lake oil sands operation
The Cold Lake oil sands operation is an in-situ bitumen recovery complex in northeastern Alberta, Canada, owned and operated by Imperial Oil since commercial production began in 1985.
Columbus oil field
Columbus is a gas condensate field in the UK Central North Sea, about 230 km east of Aberdeen, discovered in 2006 and operated by Serica Energy since.
Colville River Oil and Gas Field
The Colville River oil and gas field is a ConocoPhillips unit on the western Alaska North Slope whose core asset, the Alpine Field, began producing oil in 2000.
Conoco
Conoco, or Continental Oil, was an American integrated oil company founded in 1875 in Ogden, Utah, that merged with Phillips Petroleum in 2002 to form ConocoPhillips.
ConocoPhillips
ConocoPhillips is an American independent exploration and production company headquartered in Houston, Texas, formed in 2002 by the merger of Conoco and Phillips Petroleum and active in 15 countries.
Constellation Oil Services Holding
Constellation Oil Services Holding, formerly QGOG Constellation, is a Luxembourg-incorporated offshore drilling contractor controlled by the Queiroz Galvão family and operating mainly in Brazil, where it is the largest drilling company.
Contingent resources
Contingent resources are quantities of petroleum estimated to be potentially recoverable from known accumulations, but not yet commercially developable because contingencies remain unresolved, per the SPE PRMS.
Core analysis
Core analysis is the laboratory study of rock samples taken during or after drilling a well, measuring reservoir properties such as porosity, permeability, and fluid saturation.
Core Laboratories
Core Laboratories is a Delaware-incorporated oilfield services company founded in Dallas in 1936 that measures reservoir rocks and fluids to help oil and gas producers enhance hydrocarbon recovery.
Cosmo Oil
Cosmo Oil (コスモ石油) is a Japanese integrated oil company headquartered in Tokyo, established in 1986 by merger and known for three refineries and Japan's first mass-production sustainable aviation fuel unit.
Costayaco Oil and Gas Field
Costayaco is an oil field in the Chaza Block of the Putumayo Basin in southwestern Colombia, discovered by Gran Tierra Energy in 2007 and producing since then.
CrownRock
CrownRock was a privately held Midland, Texas oil and gas partnership formed in 2007 by CrownQuest Operating and Lime Rock Partners to develop Permian Basin acreage.
Crude distillation
Crude distillation is the first step of oil refining, heating crude oil in a furnace and splitting it by boiling point into fractions like naphtha, kerosene, and diesel.
Cruz de Lorena Oil and Gas Field
Cruz de Lorena Oil and Gas Field is a Vaca Muerta shale field in Neuquén Province, Argentina, producing since 2013 and operated by Shell Argentina with Gas y Petróleo del Neuquén.
CSI Compressco LP
CSI Compressco LP was a natural gas compression and treating services partnership formed in 2014 and traded on NASDAQ as CCLP until Kodiak Gas Services acquired it in 2024.
Culebra Oil and Gas Field
Culebra Oil and Gas Field is an onshore oil and gas field in the Ecuadorian Amazon, discovered in 1973 and operated by the state company EP Petroecuador.
Cusiana Field
Cusiana Field is a giant oil and gas field in the Llanos Foothills of Casanare, Colombia, discovered in 1988 and once producing over 37% of the country's oil.
Cusiana Oil and Gas Field
Cusiana is a giant oil and gas field in the Llanos foothills of Casanare, eastern Colombia, discovered by BP in 1991 and now operated by Ecopetrol.
Cuyabeno Oil and Gas Field
The Cuyabeno Oil and Gas Field is an operating onshore oil field in Block 58 of Ecuador's Oriente basin, in Sucumbíos province, discovered in 1972 and wholly owned by EP Petroecuador.
CVR Energy
CVR Energy is a Sugar Land, Texas holding company trading on the NYSE as CVI, engaged in petroleum refining and nitrogen fertilizer manufacturing through CVR Refining and CVR Partners.
Cyclic steam stimulation
Cyclic steam stimulation, also called huff-and-puff or steam soak, is an enhanced oil recovery method in which steam is injected into a well, the well soaks, and heated oil is produced.
D-1 oil field (India)
The D-1 oil field is an offshore field in the Arabian Sea about 200 km southwest of Mumbai, discovered in 1976 and operated by India's ONGC.
Dación Oil and Gas Field
Dación Oil and Gas Field is an onshore conventional-heavy oil field in the Oficina trend of eastern Venezuela, discovered in 1940, producing since 1944, and operated by PDVSA since 2007.
Dahra Oil and Gas Field
Dahra Oil and Gas Field (الظهرة), also written Al-Dhara, is a giant onshore oil field in Libya's Sirte Basin, discovered in 1958 and operated by the Waha Oil Company.
Dai Hung Oil and Gas Field
Dai Hung is an offshore oil and gas field in Vietnam's Nam Con Son Basin, producing since 1994 and nearly abandoned by its international consortium in 1999.
Daleel Oil Field
The Daleel oil field is an onshore oil field in the Wadi Aswad concession area of Block 5 in northwestern Oman, on stream since 1990.
Dalpari Oil Field
The Dalpari Oil Field is an onshore oil field in Ilam province, western Iran, owned by the National Iranian Oil Company, discovered in 1978 and producing since 1999.
Daly Sinclair Oil Field
The Daly Sinclair Oil Field is an oil field in southwestern Manitoba, Canada, and the province's largest, formed in 2010 by amalgamating the Daly and Sinclair fields.