SEPLAT Petroleum Development Company Plc engages in the exploration and production of oil and gas. It operates through the Oil and Gas segment. The Oil segment deals with the exploration, development, and production of crude oil. The Gas segment focuses on the production and processing of gas. The company was founded by Augustine Ojunekwu Avuru and Ambrosie Bryant Chukwueloka Orjiako on June 17, 2009 and is headquartered in Lagos, Nigeria.