CNOOC
NYSE:CEOCnooc Limited is a company that engages primarily in the exploration, development and production of crude oil and natural gas offshore China. We are the dominant producer of crude oil and natural gas and the only company permitted to conduct exploration and production activities with international oil and gas companies offshore China.
ENI
NYSE:EEni S.p.A. operates as an integrated energy company worldwide. It engages in exploration, development, extracting, manufacturing, and marketing crude oil and natural gas, oil-based fuels, chemical products, and gas-fired power, as well as energy products from renewable sources. The company operates through Exploration & Production; Global Gas & LNG Portfolio (GGP); Refining & Marketing and Chemicals; Plenitude & Power; and Corporate and Other Activities segments. The Exploration & Production segment engages in research, development, and production of oil, condensates, and natural gas; and forestry conservation and CO2 capture and storage projects. The GGP segment is involved in the supply and sale of wholesale natural gas through pipeline; and international transport, and purchase and marketing of liquefied natural gas. The Refining & Marketing and Chemicals segment supplies, processes, distributes, and markets fuels and chemicals. The Plenitude & Power segment engages in the retail sale of gas, electricity, and related services; production and wholesale sale of electricity from thermoelectric and renewable plants; and provision of services for E-mobility. The Corporate and Other Activities segment is involved in the research and development, new technologies, business digitalization, and environmental activities. The company was founded in 1953 and is headquartered in Rome, Italy.
EOG Resources
NYSE:EOGEOG Resources, Inc., together with its subsidiaries, explores for, develops, produces, and markets crude oil, natural gas liquids, and natural gas primarily in producing basins in the United States, the Republic of Trinidad and Tobago and internationally. The company was formerly known as Enron Oil & Gas Company. EOG Resources, Inc. was incorporated in 1985 and is headquartered in Houston, Texas.
PetroChina
NYSE:PTRPetroChina Company Limited, together with its subsidiaries, engages in a range of petroleum related products, services, and activities in Mainland China and internationally. It operates through Exploration and Production, Refining and Chemicals, Marketing, and Natural Gas and Pipeline segments. The Exploration and Production segment engages in the exploration, development, production, and marketing of crude oil and natural gas. The Refining and Chemicals segment refines crude oil and petroleum products; and produces and markets primary petrochemical products, derivative petrochemical products, and other chemical products. The Marketing segment is involved in marketing of refined products and trading business. The Natural Gas and Pipeline segment engages in the transmission of natural gas, crude oil, and refined products; and sale of natural gas. As of December 31, 2021, the company had a total length of 26,076 km, including 17,329 km of natural gas pipelines, 7,340 km of crude oil pipelines, and 1,407 km of refined product pipelines. The company is also involved in the exploration, development, and production of oil sands and coalbed methane; trading of crude oil and petrochemical products; storage, chemical engineering, storage facilities, service station, and transportation facilities and related businesses; and production and sales of basic and derivative chemical, and other chemical products. The company was founded in 1999 and is headquartered in Beijing, the People's Republic of China. PetroChina Company Limited is a subsidiary of China National Petroleum Corporation.