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Coalbed Methane Proved Reserves
(Billion Cubic Feet)
Period:
 Annual 
2003 2004 2005 2006 2007 2008 View
History
U.S.
18,743 18,390 19,892 19,620 21,874 20,798 1989-2008
Alabama
1,665 1,900 1,773 2,068 2,126 1,727 1989-2008
Alaska
        0 0 2007-2008
Arkansas
        31 31 2007-2008
California
        0 0 2007-2008
Colorado
6,473 5,787 6,772 6,344 7,869 8,238 1989-2008
Florida
        0 0 2007-2008
Kansas
        340 301 2007-2008
Kentucky
        0 0 2007-2008
Louisiana
        7 9 2007-2008
North
        7 9 2007-2008
South Onshore
        0 0 2007-2008
South Offshore
        0 0 2007-2008
Michigan
        0 0 2007-2008
Mississippi
        0 0 2007-2008
Montana
        66 75 2007-2008
New Mexico
4,396 5,166 5,249 4,894 4,169 3,991 1989-2008
East
        389 530 2007-2008
West
        3,780 3,461 2007-2008
New York
        0 0 2007-2008
North Dakota
        0 0 2007-2008
Ohio
        1 1 2007-2008
Oklahoma
        1,265 511 2007-2008
Pennsylvania
        108 102 2007-2008
Texas
        0 0 2007-2008
RRC District 1
        0 0 2007-2008
RRC District 2 Onshore
        0 0 2007-2008
RRC District 3 Onshore
        0 0 2007-2008
RRC District 4 Onshore
        0 0 2007-2008
RRC District 5
        0 0 2007-2008
RRC District 6
        0 0 2007-2008
RRC District 7B
        0 0 2007-2008
RRC District 7C
        0 0 2007-2008
RRC District 8
        0 0 2007-2008
RRC District 8A
        0 0 2007-2008
RRC District 9
        0 0 2007-2008
RRC District 10
        0 0 2007-2008
State Offshore
        0 0 2007-2008
Utah
1,224 934 902 750 922 893 2000-2008
Virginia
      1,813 1,948 1,851 2006-2008
West Virginia
        255 246 2007-2008
Wyoming
2,759 2,085 2,446 2,448 2,738 2,781 2000-2008
Federal Offshore
        0 0 2007-2008
Lower 48 States
        21,874 20,798 2007-2008
Eastern States* (IL, IN, OH, PA, WV)
1,528 1,620 1,822 273 29 41 2000-2008
Western States (AR, KS, LA, MT, OK)
698 898 928 1,030 0 0 2000-2008
Other States*
  0 -- -- --   1989-2007
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: *Eastern States includes Virginia prior to 2006. Other States includes Oklahoma, Pennsylvania, Utah, Virginia, West Virginia, and Wyoming for data prior to 2000. These states are individually listed or grouped in Eastern States and Western States for 2000 and later.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 10/29/2009
Next Release Date: 10/29/2010