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Energy Glossary
Natural Gas Proved Reserves, Wet After Lease Separation
(Billion Cubic Feet)
Data Series:
Proved Reserves as of Dec. 31
Adjustments
Revision Increases
Revision Decreases
Sales
Acquisitions
Extensions
New Field Discoveries
New Reservoir Discoveries in Old Fields
Estimated Production
Period:
Annual
Download Series History
Definitions, Sources & Notes
Show Data By:
Data Series
Area
2003
2004
2005
2006
2007
2008
View
History
U.S.
197,145
201,200
213,308
220,416
247,789
255,035
1979-2008
Federal Offshore U.S.
23,033
19,747
18,252
15,750
14,813
13,892
1990-2008
Pacific (California)
511
459
825
811
805
705
1979-2008
Louisiana & Alabama
17,168
15,144
14,073
12,201
11,458
10,785
1981-2008
Texas
5,354
4,144
3,354
2,738
2,550
2,402
1981-2008
Alaska
8,348
8,473
8,237
10,333
12,022
7,766
1979-2008
Lower 48 States
188,797
192,727
205,071
210,083
235,767
247,269
1979-2008
Alabama
4,345
4,159
4,006
3,963
4,036
3,379
1979-2008
Arkansas
1,666
1,837
1,967
2,271
3,306
5,628
1979-2008
California
2,569
2,773
3,384
2,935
2,879
2,538
1979-2008
Coastal Region Onshore
174
196
277
214
212
151
1979-2008
Los Angeles Basin Onshore
196
184
186
161
154
81
1979-2008
San Joaquin Basin Onshore
2,116
2,306
2,831
2,470
2,430
2,249
1979-2008
State Offshore
83
87
90
90
83
57
1979-2008
Colorado
15,893
15,249
17,122
17,682
22,480
24,169
1979-2008
Florida
92
88
87
50
110
1
1979-2008
Kansas
5,143
5,003
4,598
4,197
4,248
3,795
1979-2008
Kentucky
1,971
1,982
2,240
2,369
2,588
2,846
1979-2008
Louisiana
9,538
9,792
10,679
10,710
10,292
11,816
1981-2008
North
5,137
5,841
6,768
6,795
6,437
7,966
1979-2008
South Onshore
3,874
3,557
3,478
3,473
3,463
2,916
1979-2008
State Offshore
527
394
433
442
392
934
1981-2008
Michigan
3,488
3,154
2,961
3,117
3,691
3,253
1979-2008
Mississippi
748
692
758
816
958
1,035
1979-2008
Montana
1,068
1,002
998
1,069
1,067
1,014
1979-2008
New Mexico
18,226
19,687
19,344
19,104
18,397
17,347
1979-2008
East
3,661
3,965
4,132
4,295
4,387
4,406
1979-2008
West
14,565
15,722
15,212
14,809
14,010
12,941
1979-2008
New York
365
324
349
363
375
389
1979-2008
North Dakota
497
465
508
539
572
603
1979-2008
Ohio
1,127
975
898
975
1,027
985
1979-2008
Oklahoma
16,231
17,200
18,146
18,535
20,184
22,113
1979-2008
Pennsylvania
2,497
2,371
2,793
3,064
3,377
3,594
1979-2008
Texas
48,717
53,275
60,178
65,805
76,357
81,843
1981-2008
RRC District 1
1,095
1,229
1,205
1,109
1,101
1,047
1979-2008
RRC District 2 Onshore
1,849
1,934
2,175
2,166
2,386
2,364
1979-2008
RRC District 3 Onshore
3,548
3,400
3,406
3,278
3,102
2,932
1979-2008
RRC District 4 Onshore
9,055
9,067
9,104
8,474
8,327
7,930
1979-2008
RRC District 5
5,460
6,583
9,611
12,648
17,274
20,460
1979-2008
RRC District 6
6,959
7,966
9,343
9,481
11,715
12,619
1979-2008
RRC District 7B
383
364
932
1,663
2,412
2,750
1979-2008
RRC Distict 7C
4,791
5,190
5,702
5,727
6,028
5,529
1979-2008
RRC District 8
5,835
6,002
6,800
6,855
7,303
7,586
1979-2008
RRC District 8A
1,137
1,281
1,471
1,384
1,531
1,257
1979-2008
RRC District 9
3,639
4,555
4,734
6,765
7,985
9,548
1979-2008
RRC District 10
4,510
5,383
5,430
5,950
6,932
7,601
1979-2008
State Offshore
456
321
265
305
261
220
1981-2008
Utah
3,617
3,951
4,359
5,211
6,463
6,714
1979-2008
Virginia
1,717
1,742
2,018
2,302
2,529
2,378
1982-2008
West Virginia
3,399
3,509
4,572
4,654
4,881
5,266
1979-2008
Wyoming
22,716
23,640
24,722
24,463
30,896
32,399
1979-2008
Miscellaneous
134
110
132
139
241
272
1979-2008
-
= 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: 10/29/2009
Next Release Date: 10/29/2010