申请人 |
SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;DOWLING, MICHAEL A.;KAMPHAUS, JASON;SUKIANTO, HARRYSON;DOREL, ALAIN P. |
发明人 |
DOWLING, MICHAEL A.;KAMPHAUS, JASON;SUKIANTO, HARRYSON;DOREL, ALAIN P. |