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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	3,185	3,192	3,050	2,904	2,752	2,616	1977-2009
Adjustments	175	62	-5	56	104	-124	1977-2009
Revision Increases	704	478	411	470	376	490	1977-2009
Revision Decreases	901	532	472	518	539	369	1977-2009
Sales	201	92	407	606	73	174	2000-2009
Acquisitions	176	110	389	577	59	190	2000-2009
Extensions	344	431	384	277	371	288	1977-2009
New Field Discoveries	58	63	20	42	13	61	1977-2009
New Reservoir Discoveries in Old Fields	63	45	70	68	42	11	1977-2009
Estimated Production	582	558	532	512	505	509	1977-2009