申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;PATEL, DINESH;LORETZ, IVES D;PROST, JEROME |
发明人 |
PATEL, DINESH;LORETZ, IVES D;PROST, JEROME |