Bangladesh Mineral Oil & Gas Corporation (BMOGC) was created through the Presidential order #27 on March 26, 1972. The minerals operation of the corporation was segregated and vested with a new organization, Bangladesh Mineral Development Corporation (BMEDC), on 27 September 1972, through the PO # 120. The reconstituted Bangladesh Oil & Gas Corporation (BOGC) was short named Petrobangla through the ordinance # 15 of 22 August, 1974. On 13 November 1976, through the ordinance #88, the importation, refining and marketing of crude and petroleum products and vested with newly formed Bangladesh Petroleum Corporation (BPC).
BOGC and BMEDC were merged into a single entity, Bangladesh Oil, Gas & Minerals Corporation (BOGMC), by the Ordinance # 21 of 11 April 1985. In a partial modification of the Ordinance by the Law 11 of February 1989, the corporation was short named Petrobangla and given the authority to hold the shares of the companies dealing in oil, gas & minerals exploration and development.