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Fact Sheet 157–02: Page 2

National Assessment of Oil and Gas Fact Sheet

Assessment of Undiscovered Oil and Gas Resources of the Uinta-Piceance Province of Colorado and Utah, 2002

Table 1. Uinta-Piceance Province Assessment Results.
[MMBO, million barrels of oil; BCFG, billion cubic feet of gas; MMBNGL, million barrels of natural gas liquids. Results shown are fully risked estimates. For gas fields, all liquids are included under the NGL (natural gas liquids) category. Undiscovered gas resources are the sum of non-associated and associated gas. F95 represents a 95 percent chance of at least the amount tabulated. Other fractiles are defined similarly. Fractiles are additive under the assumption of perfect positive correlation. Gray shade indicates not applicable (N / A). CBG is coal-bed gas]
Total undiscovered resources


Conventional Oil and Gas Resources
Total Petroleum Systems (TPS)
and Assessment Units (AU)		 Field
type

Oil (MMBO)
F95 F50 F5 Mean

Gas (BCFG)
F95 F50 F5 Mean

NGL (MMBNGL)
F95 F50 F5 Mean
Phosphoria TPS
Hanging Wall AU
Oil
Gas
1.75
4.13
8.37
4.47
N / A
N / A
N / A
N / A
0.47
1.21
2.67
1.34
10.48
24.78
50.27
26.81
0.03
0.07
0.17
0.08
0.30
0.78
1.70
0.86
Paleozoic/Mesozoic AU
Oil
Gas
2.66
5.82
11.55
6.29
N / A
N / A
N / A
N / A
0.71
1.70
3.69
1.89
15.82
43.74
94.30
48.04
0.04
0.10
0.23
0.11
0.47
1.36
3.21
1.54
Ferron/Wasatch Plateau TPS
Ferron Sandstone Gas AU
Gas
N / A
N / A
N / A
N / A
10.73
35.91
81.23
39.75
0.03
0.07
0.19
0.08
Mesaverde TPS
Mesaverde Sandstone Gas AU
Gas
N / A
N / A
N / A
N / A
17.91
58.95
140.12
66.41
0.13
0.46
1.18
0.53
Green River TPS
Uinta Green River Oil and Gas AU
Oil
2.74
8.52
20.52
9.63
7.59
24.83
63.73
28.88
0.42
1.45
3.98
1.73
Total Conventional
Resources
7.15
18.47
40.44
20.39
63.71
191.12
436.01
213.12
1.42
4.29
10.66
4.93


Continuous Oil and Gas Resources
Total Petroleum Systems (TPS)
and Assessment Units (AU)		 Field
type

Oil (MMBO)
F95 F50 F5 Mean

Gas (BCFG)
F95 F50 F5 Mean

NGL (MMBNGL)
F95 F50 F5 Mean
Mancos/Mowry TPS
Piceance Basin AU
Gas
N / A
N / A
N / A
N / A
649.30
1,463.09
3,296.86
1,652.90
0.60
1.43
3.45
1.65
Uinta Basin AU
Gas
N / A
N / A
N / A
N / A
1,781.69
2,965.07
4,934.43
3,110.69
3.16
5.81
10.67
6.22
Uinta-Piceance Transitional
and Migrated Gas AU
Gas
N / A
N / A
N / A
N / A
1,429.61
1,742.59
2,124.11
1,755.26
0.74
1.98
5.31
2.37
Ferron/Wasatch Plateau TPS
Deep (>6,000 ft)
Coal and Sandstone AU
Gas
N / A
N / A
N / A
N / A
0.00
52.04
136.43
59.10
0.00
0.00
0.00
0.00
Northern Coal Fairway/
Drunkards Wash AU
CBG
N / A
N / A
N / A
N / A
451.14
722.18
1,156.05
752.33
0.00
0.00
0.00
0.00
Central Coal Fairway/
Buzzards Bench AU
CBG
N / A
N / A
N / A
N / A
311.61
512.69
843.54
536.73
0.00
0.00
0.00
0.00
Southern Coal Fairway AU
CBG
N / A
N / A
N / A
N / A
78.16
145.81
255.49
152.59
0.00
0.00
0.00
0.00
Southern Coal Outcrop AU
CBG
N / A
N / A
N / A
N / A
0.00
9.95
30.71
10.56
0.00
0.00
0.00
0.00
Mesaverde TPS
Uinta Basin Continuous AU
Gas
N / A
N / A
N / A
N / A
4,134.19
7,018.47
11,915.02
7,391.36
5.52
10.31
19.27
11.09
Uinta Basin Transitional AU
Gas
N / A
N / A
N / A
N / A
889.42
1,431.73
2,304.72
1,492.97
1.18
2.10
3.76
2.24
Piceance Basin Continuous AU
Gas
N / A
N / A
N / A
N / A
1,902.23
2,956.15
4,594.01
3,064.27
5.00
8.69
15.09
9.19
Piceance Basin Transitional AU
Gas
N / A
N / A
N / A
N / A
161.74
284.47
500.33
301.73
0.29
0.56
1.07
0.60
Uinta Basin Blackhawk
Coalbed Gas AU
CBG
N / A
N / A
N / A
N / A
181.97
433.84
1,034.28
498.78
0.00
0.00
0.00
0.00
Mesaverde Group
Coalbed Gas AU
CBG
N / A
N / A
N / A
N / A
138.72
322.45
749.54
367.77
0.00
0.00
0.00
0.00
Green River TPS
Deep Uinta Overpressured
Continuous Oil AU
Oil
24.83
37.57
56.84
38.78
35.72
60.74
103.29
63.99
2.23
4.17
7.79
4.48
Total Continuous
Resources
 
24.83
37.57
56.84
38.78
12,145.49
20,121.27
33,978.81
21,211.03
18.72
35.05
66.41
37.84
Total Undiscovered
Oil and Gas Resources
31.98
56.04
97.28
59.17
12,209.20
20,312.39
34,414.82
21,424.15
20.14
39.34
77.07
42.77
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