申请人 |
SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LTD;DJIKPESSE, HUGUES;KHODJA, MOHAMED-RABIGH;PRANGE, MICHAEL DAVID |
发明人 |
DJIKPESSE, HUGUES;KHODJA, MOHAMED-RABIGH;PRANGE, MICHAEL DAVID |