申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;LOPEZ DE CARDENAS, JORGE, E.;SWAREN, JASON;REES, DESMOND, E.;CAMPBELL, JERRY, D. |
发明人 |
LOPEZ DE CARDENAS, JORGE, E.;SWAREN, JASON;REES, DESMOND, E.;CAMPBELL, JERRY, D. |