HC Deb 10 December 1981 vol 14 c468W
Mr. Nicholas Winterton

asked the Secretary of State for Energy what estimate he has made of the present amount of usable proven oil reserves for which oil production equipment is either installed or planned, in billions of barrels.

Mr. Gray

Based on the Secretary of State's latest report to Parliament, "Development of Oil and Gas Resources of the United Kingdom"—The Brown Book 1981—the remaining proven recoverable oil reserves for which oil production equipment is either installed or planned is 8.069 billion barrels of oil.