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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	3,791	3,914	3,994	4,031	4,141	4,226	1977-2010
Adjustments	37	56	82	-8	251	-200	1977-2010
Revision Increases	457	607	488	549	541	480	1977-2010
Revision Decreases	412	495	413	441	628	418	1977-2010
Sales	514	297	289	211	149	133	2000-2010
Acquisitions	649	327	218	186	229	419	2000-2010
Extensions	468	370	426	415	317	326	1977-2010
New Field Discoveries	5	35	20	0	0	0	1977-2010
New Reservoir Discoveries in Old Fields	2	0	10	6	3	3	1977-2010
Estimated Production	522	480	462	459	454	392	1977-2010