Petrobras engages in the exploration, extraction, and production of deepwater oil and gas assets. The company operates offshore drilling platforms and related subsea infrastructure. In addition to upstream extraction, the business includes the operation of large-scale refineries that process crude oil into petrochemical products such as fuel oils and lubricants. The fossil fuels and natural gas produced by the company are primarily sold to domestic and international wholesale markets and end-users through pipelines and logistics networks.