申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;LOGINED, B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;BAILEY, WILLIAM, J.;COUET, BENOIT;DJIKPESSE, HUGUES;ELLIOTT, MICHAEL, A.;PRANGE, MICHAEL |
发明人 |
BAILEY, WILLIAM, J.;COUET, BENOIT;DJIKPESSE, HUGUES;ELLIOTT, MICHAEL, A.;PRANGE, MICHAEL |