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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	16,238	17,123	17,464	19,031	20,845	22,769	1977-2009
Adjustments	-113	297	-149	13	99	984	1977-2009
Revision Increases	2,173	3,064	1,515	2,115	2,786	2,894	1977-2009
Revision Decreases	1,912	2,945	1,868	1,366	2,580	3,592	1977-2009
Sales	511	539	821	1,545	395	600	2000-2009
Acquisitions	763	728	1,202	1,567	599	387	2000-2009
Extensions	1,983	1,818	2,051	2,380	2,974	3,463	1977-2009
New Field Discoveries	8	1	0	6	21	0	1977-2009
New Reservoir Discoveries in Old Fields	9	48	12	56	85	178	1977-2009
Estimated Production	1,563	1,587	1,601	1,659	1,775	1,790	1977-2009