申请人 |
SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;BRIQUET, STEPHANE;ERVIN, STEVE;HAYES, KEVIN;DEL CAMPO, CHRIS;NAHAS, JOE |
发明人 |
BRIQUET, STEPHANE;ERVIN, STEVE;HAYES, KEVIN;DEL CAMPO, CHRIS;NAHAS, JOE |