An Act to make further provision with respect to the British National Oil Corporation; to abolish the National Oil Account; to make further provision with respect to the British Gas Corporation; to make provision for and in connection with the supply of gas through pipes by persons other than the Corporation; to amend the Petroleum (Production) Act 1934 and to make further provision about licences to search for and get petroleum; to repeal and re-enact with amendments sections 2 and 3 of the Continental Shelf Act 1964; to extend the application of the Mineral Workings (Offshore Installations) Act 1971 and the Offshore Petroleum Development (Scotland) Act 1975; to amend the Miscellaneous Financial Provisions Act 1968, the Petroleum and Submarine Pipe-lines Act 1975 and the Participation Agreement Act 1978; and for connected purposes.