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Dry Natural Gas Proved Reserves (Billion Cubic Feet)

Area: U.S. Federal Offshore U.S.    Federal Offshore, Pacific (California)    Federal Offshore, Gulf of Mexico, LA & AL    Federal Offshore, Gulf of Mexico, TX Alaska Lower 48 States Alabama Arkansas California    CA, Coastal Region Onshore    CA, Los Angeles Basin Onshore    CA, San Joaquin Basin Onshore    CA, State Offshore Colorado Florida Kansas Kentucky Louisiana    North Louisiana    LA, South Onshore    LA, State Offshore Michigan Mississippi Montana New Mexico    NM, East    NM, West New York North Dakota Ohio Oklahoma Pennsylvania Texas    TX, RRC District 1    TX, RRC District 2 Onshore    TX, RRC District 3 Onshore    TX, RRC District 4 Onshore    TX, RRC District 5    TX, RRC District 6    TX, RRC District 7B    TX, RRC Distict 7C    TX, RRC District 8    TX, RRC District 8A    TX, RRC District 9    TX, RRC District 10    TX, State Offshore Utah Virginia West Virginia Wyoming Miscellaneous Period:  Annual

Download Series History Definitions, Sources & Notes
Show Data By: Data Series Area	2004	2005	2006	2007	2008	2009	View History
Proved Reserves as of Dec. 31	1,844	2,073	2,060	2,255	2,238	1,800	1977-2009
Adjustments	3	156	207	-167	31	-90	1977-2009
Revision Increases	272	188	209	282	286	190	1977-2009
Revision Decreases	343	260	511	218	414	372	1977-2009
Sales	154	207	138	267	100	22	2000-2009
Acquisitions	283	255	195	309	108	5	2000-2009
Extensions	262	338	321	541	352	86	1977-2009
New Field Discoveries	13	26	9	1	7	11	1977-2009
New Reservoir Discoveries in Old Fields	34	38	18	15	23	13	1977-2009
Estimated Production	296	305	323	301	310	259	1977-2009