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Petroleum matters were handled by the Hydrocarbon Section of the Ministry of Lagos Affairs, which reported directly to the Governor-General. . The Unit kept records on matters relating to exploration, and importation of petroleum products. It also enforced safety and other regulations on matters which were then mostly products importation and distribution. As the activities of the petroleum industry expanded, the Unit was upgraded to a Petroleum Division within the Ministry of Mines and Power DPR Headquaters - 7 Kofo Abayomi The Petroleum Division grew to become the Department of Petroleum Resources in 1970. In 1971, a new body – The Nigerian National Oil Corporation (NNOC) - was created to handle direct commercial operational activities in the oil industry on behalf of the Federal Government, while the Department of Petroleum Resources in the Federal Ministry of Mines and Power continued to exercise statutory supervision and control of the industry.

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