| AOGCC Pool Statistics | Prudhoe Bay Unit, Midnight Sun Oil Pool |
| Permitted Wells in Pool: | |||||
| Type Well | Status | 2004 | 2003 | 2002 | 2001 | 2000 |
| Development | New | 9 | 12 | 14 | 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 | 8010 |
8010 |
8010 |
8010 |
8010 |
| Temperature - ° F | 160
|
160
|
160
|
160
|
160
|
| Porosity - % | 23-30
|
23-30
|
23-30
|
23-30
|
23-30
|
| Permeability - md | 3-1558
|
3-1558 | 3-1558
|
3-1558
|
3-1558
|
| Swi - % | 12.6-26.4
|
12.6-26.4
|
12.6-26.4
|
12.6-26.4
|
12.6-26.4
|
| Oil Viscosity @ Orig. Press. cp | 1.68
|
1.68 | 1.68
|
1.68
|
1.68
|
| Oil Viscosity @ Sat. Press. cp | 1.68 |
1.68 |
1.68 |
1.68 |
1.68 |
| Orig. Press. - psi | 4045 |
4045 |
4045 |
4045 |
4045 |
| Bubble Point - psi | 4045 |
4045 |
4045 |
4045 |
4045 |
| Current Reservoir Press. - psi | 3080 |
3030 |
3367 |
3367 |
0 |
| Oil Gravity - ° API | 25-29 |
25-29 |
25-29 |
25-29 |
25-29 |
| Gas Specific Gravity (Air = 1.0) | .725 |
.725 |
.725 |
.725 |
.725 |
| Gross Pay - ft. | 40-110 |
40-110 |
40-110 |
40-110 |
40-110 |
| Net Pay - ft. | 0-70 |
0-70 |
0-70 |
0-70 |
0-70 |
| Orig. FVF - RB/STB | 1.33 |
1.33 |
1.33 |
1.33 |
1.33 |
| Bubble Point FVF - RB/STB | 0 |
0 |
0 |
0 |
0 |
| Orig. GOR - SCF/STB | 717 |
717 |
717 |
717 |
717 |
| GOR (current yr.) - SCF/STB | 3772 |
2036 |
3129 |
5172 |
6445 |
| References |
