MRO vs PBR

Marathon Oil Corporation

Marathon Oil Corporation operates as an independent exploration and production company in the United States and Equatorial Guinea. The company engages in the exploration, production, and marketing of crude oil and condensate, natural gas liquids, and natural gas; and the production and marketing of products manufactured from natural gas, such as liquefied natural gas and methanol, as well as owns and operates 32 central gathering and treating facilities and the Sugarloaf gathering system, a 42-mile natural gas pipeline through Karnes and Atascosa Counties. As of December 31, 2020, it had estimated proved developed reserves totaling 674 million barrels of oil equivalent (mmboe); and estimated proved undeveloped reserves totaling 298 mmboe. The company was formerly known as USX Corporation and changed its name to Marathon Oil Corporation in July 2001. Marathon Oil Corporation was founded in 1887 and is headquartered in Houston, Texas.

Petroleo Brasileiro S.A. Petrobras

Petróleo Brasileiro S.A. - Petrobras produce and sells oil and gas in Brazil and internationally. It engages in prospecting, drilling, refining, processing, trading, and transporting crude oil from producing onshore and offshore oil fields, and shale or other rocks, as well as oil products, natural gas, and other liquid hydrocarbons. The company operates through Exploration and Production; Refining, Transportation and Marketing; Gas and Power; and Corporate and Other Businesses segments. The Exploration and Production segment explores for, develops, and produces crude oil, natural gas liquids, and natural gas primarily for supplies to the its domestic refineries. The Refining, Transportation and Marketing segment engages in the refining, logistics, transport, marketing, and trading of crude oil and oil products; exportation of ethanol; and extraction and processing of shale, as well as holding interests in petrochemical companies. The Gas and Power segment engages in the logistic and trading of natural gas and electricity; generation of electricity through thermoelectric power plants; holding interests in transportation and distribution of natural gas; and fertilizer production business. The Corporate and Other Businesses segment produces biodiesel and its co-products, and ethanol; and distributes oil products. Petróleo Brasileiro S.A. - Petrobras was founded in 1953 and is headquartered in Rio de Janeiro, Brazil.