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Natural Gas Reserves Summary as of Dec. 31
(Billion Cubic Feet)
Data Series: Period:
 Annual 
 Show Data By:
Data Series Area
2004 2005 2006 2007 2008 2009 View
History
U.S.
173,551 185,072 190,776 215,121 226,012 250,496 1979-2009
Federal Offshore U.S.
13,386 12,348 10,915 10,033 8,786 7,633 1990-2009
Pacific (California)
47 49 55 53 3 9 1979-2009
Louisiana & Alabama
10,081 9,492 8,500 7,807 6,846 5,802 1981-2009
Texas
3,258 2,807 2,360 2,173 1,937 1,822 1981-2009
Alaska
2,004 1,875 1,447 1,270 1,139 1,090 1979-2009
Lower 48 States
171,547 183,197 189,329 213,851 224,873 249,406 1979-2009
Alabama
4,127 3,977 3,945 4,016 3,360 2,919 1979-2009
Arkansas
1,797 1,921 2,227 3,269 5,616 10,852 1979-2009
California
767 799 780 686 621 612 1979-2009
Coastal Region Onshore
8 8 6 1 1 1 1979-2009
Los Angeles Basin Onshore
0 0 0 0 0 0 1979-2009
San Joaquin Basin Onshore
757 790 769 681 617 607 1979-2009
State Offshore
2 1 5 4 3 4 1979-2009
Colorado
13,956 15,796 16,141 20,642 22,159 22,199 1979-2009
Florida
0 0 0 0 0   1979-2008
Kansas
4,923 4,515 4,115 4,165 3,710 3,417 1979-2009
Kentucky
1,963 2,210 2,333 2,554 2,812 2,887 1979-2009
Louisiana
9,235 10,091 10,149 9,651 10,581 19,898 1981-2009
North
5,734 6,670 6,705 6,364 7,888 17,220 1979-2009
South Onshore
3,168 3,051 3,058 2,960 2,445 2,463 1979-2009
State Offshore
333 370 386 327 248 215 1981-2009
Michigan
2,961 2,808 2,925 3,512 3,105 2,728 1979-2009
Mississippi
672 738 795 928 990 884 1979-2009
Montana
872 837 874 848 817 681 1979-2009
New Mexico
18,109 17,683 17,332 16,556 15,592 14,662 1979-2009
East
2,477 2,569 2,605 2,633 2,737 2,658 1979-2009
West
15,632 15,114 14,727 13,923 12,855 12,004 1979-2009
New York
324 346 361 365 360 196 1979-2009
North Dakota
145 165 182 155 119 143 1979-2009
Ohio
767 714 801 926 886 799 1979-2009
Oklahoma
16,301 17,337 17,735 19,225 21,155 23,115 1979-2009
Pennsylvania
2,246 2,659 2,913 3,247 3,467 6,885 1979-2009
Texas
46,728 53,175 58,736 68,827 74,284 76,272 1981-2009
RRC District 1
1,184 1,148 1,048 1,029 987 1,456 1979-2009
RRC District 2 Onshore
1,858 2,066 2,048 2,249 2,292 1,837 1979-2009
RRC District 3 Onshore
2,959 2,961 2,789 2,628 2,453 2,326 1979-2009
RRC District 4 Onshore
8,902 8,956 8,364 8,210 7,803 6,961 1979-2009
RRC District 5
6,525 9,560 12,591 17,224 20,420 22,602 1979-2009
RRC District 6
7,564 8,999 9,205 11,468 12,207 12,806 1979-2009
RRC District 7B
288 859 1,589 2,350 2,682 2,322 1979-2009
RRC Distict 7C
4,196 4,665 4,531 4,714 4,147 3,724 1979-2009
RRC District 8
3,266 3,829 3,891 4,267 4,506 3,950 1979-2009
RRC District 8A
95 85 82 88 63 43 1979-2009
RRC District 9
4,445 4,608 6,660 7,846 9,390 11,100 1979-2009
RRC District 10
5,134 5,177 5,634 6,496 7,119 6,984 1979-2009
State Offshore
312 262 304 258 215 161 1981-2009
Utah
3,661 4,051 4,894 6,095 6,393 6,810 1979-2009
Virginia
1,742 2,018 2,302 2,529 2,378 3,091 1982-2009
West Virginia
3,489 4,553 4,638 4,865 5,243 6,066 1979-2009
Wyoming
23,278 24,338 24,116 30,531 32,176 36,386 1979-2009
Miscellaneous
98 118 120 226 263 271 1979-2009
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, Illinois, Indiana, Maryland, Missouri, Nebraska, Nevada, Oregon, South Dakota, and Tennessee.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 12/30/2010
Next Release Date: 12/30/2011