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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	4,652	4,314	3,931	3,982	3,557	3,279	1977-2009
Adjustments	24	88	89	79	-6	224	1977-2009
Revision Increases	750	207	807	407	334	212	1977-2009
Revision Decreases	647	381	1,020	221	498	403	1977-2009
Sales	140	44	18	65	17	2	2000-2009
Acquisitions	174	60	13	63	30	1	2000-2009
Extensions	47	108	93	149	78	24	1977-2009
New Field Discoveries	1	0	0	0	9	0	1977-2009
New Reservoir Discoveries in Old Fields	0	4	3	0	2	0	1977-2009
Estimated Production	376	380	350	361	357	334	1977-2009