U.S. Geological Survey Open-File Report 03-040
Version 1.0
Tables 21-22
Table 21. Probability distribution of volumetric parameters for oil and gas in Beaufortian Upper Jurassic Topset Southwest Play.
Attribute |
Units |
LTP* |
F50 |
F05 |
Max |
|
Net Reservoir Thickness |
feet |
20 |
40 |
75 |
150 |
|
Area of Closure |
1000 acres |
4 |
10 |
25 |
40 |
|
Trap Fill |
percent |
80 |
100 |
100 |
100 |
|
Porosity |
percent |
10 |
15 |
19 |
20 |
|
Porosity-Water Saturation Product |
percent |
4 |
||||
Hydrocarbon Pore Volume |
percent |
6 |
11 |
15 |
16 |
|
Min |
F50 |
F05 |
Max |
|||
Trap Depth |
1000 feet |
10 |
13 |
16 |
20 |
|
Number of Prospects |
number |
18 |
33 |
50 |
75 |
|
Total Play Area |
million acres |
3.3 |
*LTP is lower truncation point for input distribution (see Scheunemeyer, this volume).
Table 22. Probability of occurrence for play and prospect in the Beaufortian Upper Jurassic Topset Southwest Play.
Play Attributes |
|||
Charge (C) |
1.0 |
||
Trap (T) |
1.0 |
||
Timing (F) |
1.0 |
||
Play Probability (CxTxF) |
1.00 |
||
Prospect Attributes |
|||
Charge (c) |
0.5 |
||
Trap (t) |
0.5 |
||
Timing (f) |
1 |
||
Prospect Probability (CxTxF) |
0.25 |
||
Play Probability x Prospect Probability |
0.25 |
||
Fraction of Accumulations That Are Oil |
0 |