申请人 |
SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
MAHJOUB, AHMED AMINE;ISAMBERT, SEBASTIEN;FAYEULLE, EMMANUEL;FOUILLOU, DIDIER;EVANS, MICHAEL LYNN;STOLLER, CHRISTIAN |