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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	49,955	56,507	61,836	72,091	77,546	80,424	1981-2009
Adjustments	674	561	835	227	140	745	1981-2009
Revision Increases	7,442	6,008	6,392	9,325	8,954	7,936	1981-2009
Revision Decreases	6,397	5,637	7,853	4,818	8,636	9,658	1981-2009
Sales	2,780	4,098	4,603	5,790	3,087	1,852	2000-2009
Acquisitions	4,137	5,024	6,366	6,244	3,442	1,563	2000-2009
Extensions	5,891	9,640	9,467	10,717	11,001	10,260	1981-2009
New Field Discoveries	264	138	80	78	472	476	1981-2009
New Reservoir Discoveries in Old Fields	312	340	253	535	178	425	1981-2009
Estimated Production	5,318	5,424	5,608	6,263	7,009	7,017	1981-2009