Anadarko Petroleum
NYSE:APCAnadarko Petroleum Corporation engages in the exploration, development, production, and marketing of oil and gas properties. It operates through three segments: Exploration and Production, WES Midstream, and Other Midstream. The company explores for and produces oil, natural gas, and natural gas liquids (NGLs). It is also involved in gathering, processing, treating, and transporting oil, natural-gas, and NGLs production, as well as the gathering and disposal of produced water. The company's oil and natural gas properties are located in the United States onshore and deepwater Gulf of Mexico; and Algeria, Ghana, Mozambique, Colombia, Peru, and other countries. As of December 31, 2018, it had approximately 1.5 billion barrels of oil equivalent of proved reserves. The company was founded in 1959 and is headquartered in The Woodlands, Texas.
Occidental Petroleum
NYSE:OXYOccidental 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, and North Africa. It operates through three segments: Oil and Gas, Chemical, and Midstream and Marketing. 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; and vinyls comprising vinyl chloride monomer, polyvinyl chloride, and ethylene. The Midstream and Marketing segment gathers, processes, transports, stores, purchases, and markets oil, condensate, NGLs, natural gas, carbon dioxide, and power. This segment also invests in entities. Occidental Petroleum Corporation was founded in 1920 and is headquartered in Houston, Texas.