申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
WATSON, ARTHUR I.;SUWONO, BOYLE;KEE BUCK TONG, BERNARD;FEATHERBY, CHRISTOPHER E.;ESLINGER, DAVID MILTON |