| SCHLUMBERGER OMAN AND CO |
| SCHLUMBERGER OMAN & CO LLC |
| SCHLUMBERGER OVERSEAS S.A |
| SCHLUMBERGER OVERSEAS S.A. |
| SCHLUMBERGER OVERSEAS S.A. (DUBAI BR.) |
| SCHLUMBERGER RESERVOIR PRODUCTS FZE |
| SCHLUMBERGER TECHNICAL SERVICES INC. (DUBAI BRANCH) ( |
| SCHLUTER GRAF LEGAL CONSULTANTS |
