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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.
19,425
19,168
18,458
18,545
19,466
20,523
1977-2008
Federal Offshore U.S.
4,353
3,921
2,939
2,775
2,731
2,250
1990-2008
Pacific (California)
47
47
33
37
40
36
1977-2008
Louisiana & Alabama
3,244
2,802
1,997
1,973
2,066
1,752
1981-2008
Texas
1,062
1,072
909
765
625
462
1981-2008
Alaska
478
478
469
408
388
354
1977-2008
Lower 48 States
18,947
18,690
17,989
18,137
19,078
20,169
1977-2008
Alabama
350
327
300
287
274
257
1977-2008
Arkansas
166
170
174
188
269
456
1977-2008
California
265
247
268
255
253
237
1977-2008
Coastal Region Onshore
11
10
18
9
12
11
1977-2008
Los Angeles Basin Onshore
10
10
9
8
8
6
1977-2008
San Joaquin Basin Onshore
238
220
234
232
227
217
1977-2008
State Offshore
6
7
7
6
6
3
1977-2008
Colorado
1,142
1,050
1,104
1,174
1,326
1,441
1977-2008
Florida
3
3
2
2
4
3
1977-2008
Kansas
426
376
380
350
361
357
1977-2008
Kentucky
78
83
85
66
80
93
1977-2008
Louisiana
1,280
1,322
1,206
1,309
1,257
1,319
1981-2008
North
401
453
498
552
553
685
1977-2008
South Onshore
753
770
640
674
618
539
1977-2008
State Offshore
126
99
68
83
86
95
1981-2008
Michigan
220
207
211
197
184
157
1977-2008
Mississippi
94
93
86
83
100
110
1977-2008
Montana
86
95
100
117
112
114
1977-2008
New Mexico
1,415
1,527
1,493
1,426
1,349
1,349
1977-2008
East
507
516
522
480
462
459
1977-2008
West
908
1,011
971
946
887
890
1977-2008
New York
35
44
52
50
44
48
1977-2008
North Dakota
50
51
53
52
53
65
1977-2008
Ohio
82
82
76
78
71
79
1977-2008
Oklahoma
1,554
1,563
1,587
1,601
1,659
1,775
1977-2008
Pennsylvania
165
155
181
176
183
211
1977-2008
Texas
5,166
5,318
5,424
5,608
6,263
7,009
1981-2008
RRC District 1
100
120
128
109
92
85
1977-2008
RRC District 2 Onshore
282
296
305
323
301
310
1977-2008
RRC District 3 Onshore
576
582
558
532
512
505
1977-2008
RRC District 4 Onshore
1,381
1,295
1,232
1,157
1,172
1,156
1977-2008
RRC District 5
457
490
650
783
1,130
1,521
1977-2008
RRC District 6
642
683
752
774
896
983
1977-2008
RRC District 7B
57
51
65
90
139
187
1977-2008
RRC Distict 7C
350
348
349
369
346
342
1977-2008
RRC District 8
484
493
464
480
538
541
1977-2008
RRC District 8A
100
108
102
102
103
105
1977-2008
RRC District 9
332
412
361
407
519
650
1977-2008
RRC District 10
338
375
398
450
482
574
1977-2008
State Offshore
67
65
60
32
33
50
1981-2008
Utah
278
282
308
349
365
417
1977-2008
Virginia
82
72
70
102
109
126
1982-2008
West Virginia
189
170
230
187
192
250
1977-2008
Wyoming
1,456
1,524
1,642
1,695
1,825
2,026
1977-2008
Miscellaneous
12
8
18
10
14
20
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