申请人 |
SCHLUMBERGER TECHNOLOGY B.V.;PETROLEUM RESEARCH AND DEVELOPMENT N.V., WILLEMSTADT;SCHLUMBERGER HOLDINGS LTD.;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER OILFIELD ASSISTANCE LTD. |
发明人 |
JIANG, LI;JONES, TIMOTHY GARETH JOHN;BROWN, JONATHAN WEBSTER;GILBERT, ANDREW |