申请人 |
SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;COOK, JOHN, MERVYN;COOPER, IAIN;JEFFRYES, BENJAMIN, PETER;COATES, RICHARD, TIMOTHY;WANG, WILLIAM, LI-TIEN;HAMMOND, PAUL;CHRISTIE, PHILIP;NICHOLS, DAVID;BOLCHOVER, PAUL |
发明人 |
COOK, JOHN, MERVYN;COOPER, IAIN;JEFFRYES, BENJAMIN, PETER;COATES, RICHARD, TIMOTHY;WANG, WILLIAM, LI-TIEN;HAMMOND, PAUL;CHRISTIE, PHILIP;NICHOLS, DAVID;BOLCHOVER, PAUL |