Oil & Gas Energy Program

The OCS is a significant source of oil and gas for the Nation’s energy supply. The approximately 33 million leased OCS acres account for about 5 percent of America’s domestic natural gas production and about 21 percent of America’s domestic oil production. BOEM manages the Nation's offshore resources to ensure that production and drilling are done in an environmentally and economically responsible manner, and that production facilities are timely removed.

The offshore areas of the United States are estimated to contain significant quantities of resources in yet-to-be-discovered fields. The Bureau estimates of oil and gas resources in undiscovered fields on the OCS (2011 National Assessment, mean estimates) total about 89 billion barrels of oil and 398 trillion cubic feet of gas. These volumes represent about 69 percent of the oil and 26 percent of the natural gas resources estimated to be contained in remaining undiscovered fields located in the Federal OCS and state waters, and onshore areas of the continental United States and Alaska.

Map of BOEM Regions