申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;STEPHENSON, KEN;WRAIGHT, PETER;ZIEGLER, WOLFGANG;SIMONETTI, JOHN, J.;STOLLER, CHRISTIAN;MOLODETSKY, IRINA |
发明人 |
STEPHENSON, KEN;WRAIGHT, PETER;ZIEGLER, WOLFGANG;SIMONETTI, JOHN, J.;STOLLER, CHRISTIAN;MOLODETSKY, IRINA |