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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	2005	2006	2007	2008	2009	2010	View History
Proved Reserves as of Dec. 31	8,171	10,245	11,917	7,699	9,101	8,838	1977-2010
Adjustments	-2	-46	1	-3	3	1	1977-2010
Revision Increases	293	2,853	2,147	184	1,868	622	1977-2010
Revision Decreases	154	376	112	4,068	108	452	1977-2010
Sales	96	0	10	0	5	131	2000-2010
Acquisitions	98	0	6	0	0	0	2000-2010
Extensions	62	49	28	18	2	14	1977-2010
New Field Discoveries	22	0	0	0	0	0	1977-2010
New Reservoir Discoveries in Old Fields	10	2	0	5	0	0	1977-2010
Estimated Production	469	408	388	354	358	317	1977-2010