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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	4,120	3,965	3,911	3,994	3,290	2,871	1977-2009
Adjustments	34	-27	-11	12	-71	46	1977-2009
Revision Increases	162	135	234	163	283	99	1977-2009
Revision Decreases	155	60	208	35	732	328	1977-2009
Sales	29	419	188	302	10	2	2000-2009
Acquisitions	0	431	253	379	21	0	2000-2009
Extensions	131	85	146	123	59	20	1977-2009
New Field Discoveries	3	0	0	0	2	0	1977-2009
New Reservoir Discoveries in Old Fields	0	0	7	17	1	0	1977-2009
Estimated Production	327	300	287	274	257	254	1977-2009