| AOGCC Pool Statistics | Prudhoe Bay Unit, Borealis Oil Pool |
| Permitted Completions in Pool: | |||||
| Type Well | Status | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 |
| Development | New | 0 | 0 | 0 | 1 | 1 | 3 |
| Sidetrack | 0 | 0 | 0 | 0 | 0 | 1 | |
| Multilateral | 0 | 0 | 2 | 0 | 0 | 0 | |
| Service | New | 0 | 1 | 0 | 2 | 1 | 0 |
| Sidetrack | 0 | 0 | 1 | 0 | 1 | 0 | |
| Multilateral | 0 | 0 | 0 | 0 | 0 | 0 | |
| Exploration | New | 0 | 0 | 0 | 0 | 0 | 0 |
| Sidetrack | 0 | 0 | 0 | 0 | 0 | 0 | |
| Total | 0 | 1 | 3 | 3 | 3 | 4 |
| Reservoir Properties: | ||||||||
| Description | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 |
| Reference Datum - ft. below sea level | 6600 |
6600 |
6600 |
6600 |
6600 |
6600 |
| Temperature - ° F | 158 |
158 |
158 |
158 |
158 |
158 |
| Porosity - % | 15-25 |
15-25 |
15-25 |
15-25 |
15-25 |
15-25 |
| Permeability - md | 1-300 |
1-300 |
1-300 |
1-300 |
1-300 |
1-300 |
| Swi - % | 40 |
40 |
40 |
40 |
40 |
40 |
| Oil Viscosity @ Orig. Press. cp | 1.7-2.9 |
1.7-2.9 |
1.7-2.9 |
1.7-2.9 |
1.7-2.9 |
1.7-2.9 |
| Oil Viscosity @ Sat. Press. cp | 0 |
0 |
0 |
0 |
0 |
0 |
| Orig. Press. - psi | 3439 |
3439 |
3439 |
3439 |
3439 |
3439 |
| Bubble Point - psi | 2505 - 2761 |
2505 - 2761 |
2505 - 2761 |
2505-2761 |
2505-2761 |
2505-2761 |
| Current Reservoir Press. - psi | 2900 - 3300 |
2900 - 3300 |
2900 - 3300 |
2560-3340 |
2503-3591 |
1800-3400 |
| Oil Gravity - ° API | 23-27.5 |
23-27.5 |
23-27.5 |
23-27.5 |
23-27.5 |
23-27.5 |
| Gas Specific Gravity (Air = 1.0) | .72 |
.72 |
.72 |
.72 |
.72 |
.72 |
| Gross Pay - ft. | 90 |
90 |
90 |
90 |
90 |
90 |
| Net Pay - ft. | 60 |
60 |
60 |
60 |
60 |
60 |
| Orig. FVF - RB/STB | 1.22 |
1.22 |
1.22 |
1.22 |
1.22 |
1.22 |
| Bubble Point FVF - RB/STB | 0 |
0 |
0 |
0 |
0 |
0 |
| Orig. GOR - SCF/STB | 375-475 |
375-475 |
375-475 |
375-475 |
375-475 |
375-475 |
| GOR (current yr.) - SCF/STB | 2329 | 2165 | 1381 | 1211 | 1011 | 793 |