Estimated oil and gas reserves, Gulf of Mexico Outer Continental Shelf, January 1, 1977

Abstract

As of January 1, 1977, nearly 35 trillion cubic feet of gas and about 2.7 billion barrels of oil are estimated to be the remaining reserves in 294 fields in the Gulf of Mexico Outer Continental Shelf off Texas and Louisiana. Twenty-seven additional fields, discovered since January 1, 1976, in these Federal waters are not yet sufficiently developed to permit a reasonably accurate estimate of measured reserves. Nearly 66 trillion cubic feet of gas and 6.9 billion barrels of oil are estimated to have been originally recoverable from 306 fields, 12 of which are not considered to have any remaining reserves. Reserve estimates were made on a reservoir-by-reservoir basis for 146 fields and on a field-wide basis for the other 160 fields. The resulting estimates of original and remaining reserves are reported here in terms of geographic area within the Outer Continental Shelf and adjacent slope.