申请人 |
SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;SERVICES PETROLIERS SCHLUMBERGER;PRAD RESEARCH AND DEVELOPMENT LIMITED;MULLINS, OLIVER, C.;POP, JULIAN, J.;DUBOST, FRANCOIS, X.;BETANCOURT, SORAYA, S. |
发明人 |
MULLINS, OLIVER, C.;POP, JULIAN, J.;DUBOST, FRANCOIS, X.;BETANCOURT, SORAYA, S. |