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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	3,866	4,295	5,146	6,391	6,643	7,257	1977-2009
Adjustments	113	65	-11	17	-4	1	1977-2009
Revision Increases	475	186	218	1,113	379	1,342	1977-2009
Revision Decreases	278	112	502	325	564	491	1977-2009
Sales	946	6	1,147	484	258	92	2000-2009
Acquisitions	953	0	1,189	541	251	133	2000-2009
Extensions	299	596	1,408	744	801	164	1977-2009
New Field Discoveries	5	4	45	4	64	0	1977-2009
New Reservoir Discoveries in Old Fields	11	4	0	0	0	4	1977-2009
Estimated Production	282	308	349	365	417	447	1977-2009