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Energy Glossary
Dry Natural Gas Proved Reserves
(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.
189,044
192,513
204,385
211,085
237,726
244,656
1925-2008
Federal Offshore U.S.
22,570
19,271
17,831
15,360
14,439
13,546
1990-2008
Pacific (California)
511
459
824
811
805
704
1977-2008
Louisiana & Alabama
16,728
14,685
13,665
11,824
11,090
10,450
1981-2008
Texas
5,331
4,127
3,342
2,725
2,544
2,392
1981-2008
Alaska
8,285
8,407
8,171
10,245
11,917
7,699
1977-2008
Lower 48 States
180,759
184,106
196,214
200,840
225,809
236,957
1977-2008
Alabama
4,301
4,120
3,965
3,911
3,994
3,290
1977-2008
Arkansas
1,663
1,835
1,964
2,269
3,305
5,626
1977-2008
California
2,450
2,634
3,228
2,794
2,740
2,406
1977-2008
Coastal Region Onshore
167
189
268
206
205
146
1977-2008
Los Angeles Basin Onshore
187
174
176
153
144
75
1977-2008
San Joaquin Basin Onshore
2,013
2,185
2,694
2,345
2,309
2,128
1977-2008
State Offshore
83
86
90
90
82
57
1977-2008
Colorado
15,436
14,743
16,596
17,149
21,851
23,302
1977-2008
Florida
79
78
77
45
108
1
1977-2008
Kansas
4,819
4,652
4,314
3,931
3,982
3,557
1977-2008
Kentucky
1,889
1,880
2,151
2,227
2,469
2,714
1977-2008
Louisiana
9,325
9,588
10,447
10,474
10,045
11,573
1981-2008
North
5,074
5,770
6,695
6,715
6,344
7,876
1977-2008
South Onshore
3,745
3,436
3,334
3,335
3,323
2,799
1977-2008
State Offshore
506
382
418
424
378
898
1981-2008
Michigan
3,428
3,091
2,910
3,065
3,630
3,174
1977-2008
Mississippi
746
691
755
813
954
1,030
1977-2008
Montana
1,059
995
986
1,057
1,052
1,000
1977-2008
New Mexico
17,020
18,512
18,201
17,934
17,245
16,285
1977-2008
East
3,301
3,621
3,791
3,914
3,994
4,031
1977-2008
West
13,719
14,891
14,410
14,020
13,251
12,254
1977-2008
New York
365
324
349
363
376
389
1977-2008
North Dakota
448
417
453
479
511
541
1977-2008
Ohio
1,126
974
898
975
1,027
985
1977-2008
Oklahoma
15,401
16,238
17,123
17,464
19,031
20,845
1977-2008
Pennsylvania
2,487
2,361
2,782
3,050
3,361
3,577
1977-2008
Texas
45,730
49,955
56,507
61,836
72,091
77,546
1981-2008
RRC District 1
1,062
1,184
1,161
1,063
1,040
985
1977-2008
RRC District 2 Onshore
1,770
1,844
2,073
2,060
2,255
2,238
1977-2008
RRC District 3 Onshore
3,349
3,185
3,192
3,050
2,904
2,752
1977-2008
RRC District 4 Onshore
8,763
8,699
8,761
8,116
7,963
7,604
1977-2008
RRC District 5
5,407
6,523
9,557
12,593
17,205
20,281
1977-2008
RRC District 6
6,685
7,638
8,976
9,087
11,257
12,184
1977-2008
RRC District 7B
340
310
802
1,471
2,117
2,382
1977-2008
RRC Distict 7C
4,327
4,668
5,123
5,126
5,341
4,946
1977-2008
RRC District 8
5,142
5,301
5,993
6,070
6,560
6,824
1977-2008
RRC District 8A
1,056
1,188
1,366
1,290
1,431
1,172
1977-2008
RRC District 9
3,309
4,221
4,328
6,218
7,476
9,037
1977-2008
RRC District 10
4,064
4,873
4,910
5,387
6,281
6,922
1977-2008
State Offshore
456
321
265
305
261
219
1981-2008
Utah
3,516
3,866
4,295
5,146
6,391
6,643
1977-2008
Virginia
1,717
1,742
2,018
2,302
2,529
2,378
1982-2008
West Virginia
3,306
3,397
4,459
4,509
4,729
5,136
1977-2008
Wyoming
21,744
22,632
23,774
23,549
29,710
31,143
1977-2008
Miscellaneous
134
110
131
138
239
270
1977-2008
-
= 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