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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	9,588	10,447	10,474	10,045	11,573	20,688	1981-2009
Adjustments	-11	130	86	192	-71	319	1981-2009
Revision Increases	1,089	876	1,191	1,011	1,387	1,863	1981-2009
Revision Decreases	1,229	849	1,417	1,104	1,376	3,105	1981-2009
Sales	935	224	500	2,303	1,069	127	2000-2009
Acquisitions	592	378	738	1,651	1,287	103	2000-2009
Extensions	1,940	1,560	1,026	1,247	1,848	9,807	1981-2009
New Field Discoveries	18	6	27	0	191	257	1981-2009
New Reservoir Discoveries in Old Fields	121	188	185	134	650	1,542	1981-2009
Estimated Production	1,322	1,206	1,309	1,257	1,319	1,544	1981-2009