| AOGCC Pool Statistics | Prudhoe Bay Unit, Aurora Oil Pool |
| Permitted Wells in Field: | |||||
| Type Well | Status | 2004 | 2003 | 2002 | 2001 | 2000 |
| Development | New | 9 | 12 | 17 | 19 | 8 |
| Sidetrack | 62 | 62 | 58 | 67 | 67 | |
| Multilateral | 18 | 10 | 14 | 3 | 4 | |
| Service | New | 12 | 7 | 17 | 6 | 1 |
| Sidetrack | 8 | 3 | 1 | 8 | 7 | |
| Multilateral | 0 | 0 | 0 | 0 | 0 | |
| Exploration | New | 0 | 0 | 1 | 0 | 0 |
| Sidetrack | 0 | 0 | 0 | 0 | 0 | |
| Total | 109 | 94 | 108 | 103 | 87 |
| Reservoir Properties: | ||||||||
| Description | 2004 |
2003 |
2002 |
2001 |
2000 |
| Reference Datum - ft. below sea level | 6700 |
6700 |
6700 |
6700 |
6700 |
| Temperature - ° F | 150
|
150
|
150
|
150
|
150
|
| Porosity - % | 16-25
|
16-25
|
16-25
|
16-25
|
16-25
|
| Permeability - md | 10-200
|
10-200 | 10-200
|
10-200
|
10-200
|
| Swi - % | 14-60
|
14-60
|
14-60
|
14-60
|
30-60
|
| Oil Viscosity @ Orig. Press. cp | .72
|
.72 | .72
|
.72
|
.72
|
| Oil Viscosity @ Sat. Press. cp | 0 |
0 |
0 |
0 |
0 |
| Orig. Press. - psi | 3350-3433 |
3350-3433 |
3433 |
3433 |
3433 |
| Bubble Point - psi | 3300-3433 |
3300-3433 |
3433 |
3433 |
3433 |
| Current Reservoir Press. - psi | 2760-3100 |
2760-3100 |
2530-3430 |
2530-3430 |
0 |
| Oil Gravity - ° API | 25-30 |
25-30 |
25-30 |
25-30 |
25-30 |
| Gas Specific Gravity (Air = 1.0) | .72 |
.72 |
.72 |
.72 |
.72 |
| Gross Pay - ft. | 95 |
95 |
95 |
95 |
95 |
| Net Pay - ft. | 60 |
60 |
60 |
60 |
60 |
| Orig. FVF - RB/STB | 1.35 |
1.35 |
1.35 |
1.35 |
1.35 |
| Bubble Point FVF - RB/STB | 0 |
0 |
0 |
0 |
0 |
| Orig. GOR - SCF/STB | 717 |
717 |
717 |
717 |
717 |
| GOR (current yr.) - SCF/STB | 3065 |
3165 |
5260 |
6934 |
4147 |