申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;MOOTOO, DEXTER MYLES;KRUSH, ROBERT;WHITSITT, JOHN;VASPER, ADAM CHARLES;WATSON, GRAHAM |
发明人 |
MOOTOO, DEXTER MYLES;KRUSH, ROBERT;WHITSITT, JOHN;VASPER, ADAM CHARLES;WATSON, GRAHAM |