申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
DJIKPESSE, HUGUES A;RASHID, KASHIF;BAILEY, WILLIAM J.;PRANGE, MICHAEL DAVID;COUET, BENOIT |