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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	2005	2006	2007	2008	2009	2010	View History
Proved Reserves as of Dec. 31	10,447	10,474	10,045	11,573	20,688	29,277	1981-2010
Adjustments	130	86	192	-71	319	-612	1981-2010
Revision Increases	876	1,191	1,011	1,387	1,863	3,149	1981-2010
Revision Decreases	849	1,417	1,104	1,376	3,105	3,184	1981-2010
Sales	224	500	2,303	1,069	127	738	2000-2010
Acquisitions	378	738	1,651	1,287	103	847	2000-2010
Extensions	1,560	1,026	1,247	1,848	9,807	10,989	1981-2010
New Field Discoveries	6	27	0	191	257	48	1981-2010
New Reservoir Discoveries in Old Fields	188	185	134	650	1,542	279	1981-2010
Estimated Production	1,206	1,309	1,257	1,319	1,544	2,189	1981-2010