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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	4,221	4,328	6,218	7,476	9,037	10,904	1977-2009
Adjustments	14	-53	4	162	63	18	1977-2009
Revision Increases	423	445	139	536	240	610	1977-2009
Revision Decreases	210	702	183	118	285	503	1977-2009
Sales	517	305	516	45	50	71	2000-2009
Acquisitions	552	387	1,318	6	217	86	2000-2009
Extensions	1,062	696	1,535	1,219	2,004	2,400	1977-2009
New Field Discoveries	0	0	0	0	1	0	1977-2009
New Reservoir Discoveries in Old Fields	0	0	0	17	21	14	1977-2009
Estimated Production	412	361	407	519	650	687	1977-2009