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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	19,271	17,831	15,360	14,439	13,546	12,552	1990-2009
Adjustments	-61	26	-39	-62	14	22	1990-2009
Revision Increases	4,276	2,645	2,030	1,815	1,699	2,312	1990-2009
Revision Decreases	5,734	2,878	2,798	1,864	2,017	1,871	1990-2009
Sales	1,375	863	2,718	897	700	158	2000-2009
Acquisitions	1,482	749	2,575	1,185	615	181	2000-2009
Extensions	1,193	642	733	657	903	289	1990-2009
New Field Discoveries	252	632	111	608	311	308	1990-2009
New Reservoir Discoveries in Old Fields	589	546	410	368	532	300	1990-2009
Estimated Production	3,921	2,939	2,775	2,731	2,250	2,377	1990-2009