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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	17,123	17,464	19,031	20,845	22,769	26,345	1977-2010
Adjustments	297	-149	13	99	984	-394	1977-2010
Revision Increases	3,064	1,515	2,115	2,786	2,894	3,224	1977-2010
Revision Decreases	2,945	1,868	1,366	2,580	3,592	3,474	1977-2010
Sales	539	821	1,545	395	600	219	2000-2010
Acquisitions	728	1,202	1,567	599	387	1,519	2000-2010
Extensions	1,818	2,051	2,380	2,974	3,463	4,571	1977-2010
New Field Discoveries	1	0	6	21	0	51	1977-2010
New Reservoir Discoveries in Old Fields	48	12	56	85	178	1	1977-2010
Estimated Production	1,587	1,601	1,659	1,775	1,790	1,703	1977-2010