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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	2,361	2,782	3,050	3,361	3,577	6,985	1977-2009
Adjustments	-188	186	-117	181	-201	65	1977-2009
Revision Increases	657	234	185	326	655	668	1977-2009
Revision Decreases	567	154	224	418	502	502	1977-2009
Sales	28	78	6	4	275	52	2000-2009
Acquisitions	29	139	234	41	168	600	2000-2009
Extensions	123	275	359	358	489	2,774	1977-2009
New Field Discoveries	0	0	13	7	61	128	1977-2009
New Reservoir Discoveries in Old Fields	3	0	0	3	32	0	1977-2009
Estimated Production	155	181	176	183	211	273	1977-2009