Frequently Used Abbreviations
bbls = barrels Mbbls = one thousand barrels (1,000 barrels) MMbls = one million barrels (1,000,000 barrels) BOPD = barrels of oil per day BOEPD = barrels of oil equivalent per day MMBOE = million barrels of oil equivalent (1,000,000 barrels of oil equivalent)
Mcf = one thousand cubic feet (1,000 cubic feet) Bcf = one billion cubic feet (1,000,000,000 cubic feet) MCFD = one thousand cubic feet per day (1,000 cubic feet per day) MMCF = one million cubic feet (1,000,000 cubic feet) MMCFD = one million cubic feet per day (1,000,000 cubic feet per day)
Source: Langenkamp, Robert D., ed. e Illustrated Petroleum Reference Dictionary. 4th ed. Penn ell Books: Tulsa, 1994.