OXY vs PTR

Occidental Petroleum Corporation

Occidental Petroleum Corporation, together with its subsidiaries, engages in the acquisition, exploration, and development of oil and gas properties in the United States, the Middle East, Africa, and Latin America. The company operates through three segments: Oil and Gas, Chemical, and Marketing and Midstream. The company's Oil and Gas segment explores for, develops, and produces oil and condensate, natural gas liquids (NGLs), and natural gas. Its Chemical segment manufactures and markets basic chemicals, including chlorine, caustic soda, chlorinated organics, potassium chemicals, ethylene dichloride, chlorinated isocyanurates, sodium silicates, and calcium chloride; vinyls comprising vinyl chloride monomer, polyvinyl chloride, and ethylene. The company's Midstream and Marketing segment gathers, processes, transports, stores, purchases, and markets oil, condensate, NGLs, natural gas, carbon dioxide, and power. This segment also trades around its assets consisting of transportation and storage capacity; and invests in entities. Occidental Petroleum Corporation was founded in 1920 and is headquartered in Houston, Texas.

PetroChina Company Limited

PetroChina 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, 2020, the company had a total length of 31,151 km, including 22,555 km of natural gas pipelines, 7,190 km of crude oil pipelines, and 1,406 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.