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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	3,436	3,334	3,335	3,323	2,799	2,844	1977-2009
Adjustments	60	32	135	110	-39	159	1977-2009
Revision Increases	629	485	526	492	479	617	1977-2009
Revision Decreases	681	554	607	587	738	610	1977-2009
Sales	281	121	388	175	141	44	2000-2009
Acquisitions	250	208	523	358	134	48	2000-2009
Extensions	392	343	328	304	223	285	1977-2009
New Field Discoveries	9	6	10	0	34	4	1977-2009
New Reservoir Discoveries in Old Fields	83	139	148	104	63	55	1977-2009
Estimated Production	770	640	674	618	539	469	1977-2009