An oil and/or gas field judged to be capable of producing enough net income to make it worth developing.

Million Barrels Oil Equivalent.

Rock in which oil and gas are found in exploitable quantities.

(1) The act or process of reducing the intensity of pollution.(2) The use of some method of abating pollution.

The American Petroleum Institute is the primary trade association representing the oil and natural gas industry in the United States.

The space between: (1) The casing and the wall of the borehole.(2) Two strings of casing.(3) Tubing and casing.

American Petroleum Institute

A well drilled as part of an appraisal drilling program which is carried out to determine the physical extent, reserves and likely production rate of a field.

A well drilled as part of an appraisal drilling program which is carried out to determine the physical extent, reserves and likely production rate of a field.

A unit of volume measurement used for petroleum and its products (7.3 barrels = 1 ton: 6.29 barrels = 1 cubic meter).