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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	7,638	8,976	9,087	11,257	12,184	12,795	1977-2009
Adjustments	92	111	69	107	-51	423	1977-2009
Revision Increases	891	548	854	1,780	2,231	1,820	1977-2009
Revision Decreases	663	538	1,741	827	1,770	2,225	1977-2009
Sales	207	478	511	221	1,048	358	2000-2009
Acquisitions	481	1,014	856	387	1,154	243	2000-2009
Extensions	946	1,418	1,357	1,740	1,390	1,671	1977-2009
New Field Discoveries	18	8	1	0	2	0	1977-2009
New Reservoir Discoveries in Old Fields	78	7	0	100	2	41	1977-2009
Estimated Production	683	752	774	896	983	1,004	1977-2009