Economics and the 1995 National Assessment of U.S. Oil and Gas
Resources
Emil D. Attanasi
U. S. Geological Survey Open-File Report 95-75-M
Figure D-1. Estimates as of January 1994 of discovered crude oil, that is, cumulative production (CUM. PD.) and proved reserves (PRV. RES.), inferred reserves, and the combined mean estimates of assessed technically recoverable undeveloped crude oil in undiscovered conventional oil fields and crude oil in continuous-type oil accumulations by region. Oil is in billions of barrels.
Figure D-2. Estimates as of January 1994 of discovered gas, that is, cumulative production (CUM. PD.) and proved reserves (PRV. RES.), inferred reserves, and the combined mean estimates of assessed technically recoverable undeveloped gas in undiscovered conventional oil and gas fields, gas in continuous-type oil and gas accumulations, and coalbed gas by region. Gas is in trillions of cubic feet and does not include natural gas liquids.
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