Table 4.2  Crude Oil and Natural Gas Cumulative Production and Proved Reserves, 1977-2010




Year
Crude Oil and Lease Condensate 1 Natural Gas (Dry)
Cumulative Production Proved Reserves 2 Cumulative Production Proved Reserves 3
Million Barrels Billion Cubic Feet
1977
118,091   31,780 514,439   207,413
1978
121,269   31,355 533,561   208,033
1979
124,390   31,221 553,224   200,997
1980
127,537   31,335 572,627   199,021
1981
130,665   31,006 591,808   201,730
1982
133,822   29,459 609,628   201,512
1983
136,993   29,348 625,722   200,247
1984
140,243   29,968 643,188   197,463
1985
143,517   29,869 659,642   193,369
1986
146,685   28,325 675,701   191,586
1987
149,733   28,658 692,322   187,211
1988
152,712   28,214 709,425   168,024
1989
155,491   27,890 726,736   167,116
1990
158,175   27,556 744,546   169,346
1991
160,882   25,926 762,244   167,062
1992
163,507   24,971 780,084   165,015
1993
166,006   24,149 798,179   162,415
1994
168,438   23,604 817,000   163,837
1995
170,832   23,548 835,599   165,146
1996
173,198   23,324 854,453   166,474
1997
175,553   23,887 873,355   167,223
1998
177,835   22,370 892,379   164,041
1999
179,981   23,168 911,211   167,406
2000
182,112   23,517 930,393   177,427
2001
184,230   23,844 950,009   183,460
2002
186,327   24,023 968,937   186,946
2003
188,400   23,106 988,036   189,044
2004
190,383   22,592 1,006,627   192,513
2005
192,273   23,019 1,024,678   204,385
2006
194,135   22,311 1,043,182   211,085
2007
195,984 [R] 22,812 1,062,448   237,726
2008
197,796 [R] 20,554 1,082,606 [R] 244,656
2009
199,752   22,315 1,103,230 [R] 272,509
2010
201,751   25,181 1,124,563   304,625
1Lease condensate is the portion of natural gas liquids that is separated from the wellhead gas stream
at a lease or field separation facility.
Note:  Data are at end of year.
2See "Proved Reserves, Crude Oil" and "Proved Reserves, Lease Condensate" in Glossary. Web Pages:  See http://www.eia.gov/petroleum/  and http://www.eia.gov/naturalgas/for related
information.
3See "Proved Reserves, Natural Gas" in Glossary. Sources:  Cumulative Production:  Calculated from U.S. Energy Information Administration (EIA),
Petroleum Supply Annual, annual reports and Natural Gas Annual, annual reports.  Proved Reserves:
·  1977-2000—EIA, U.S. Crude Oil, Natural Gas, and Natural Gas Liquids Reserves, annual reports.
·  2001-2010—EIA, Summary: U.S. Crude Oil, Natural Gas, and Natural Gas Liquids Proved Reserves
2010 (August 2012), Table 7.
R=Revised.