申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;ZAZOVSKY, ALEXANDER F.;MILKOVISCH, MARK;TERABAYASHI, TORU |
发明人 |
ZAZOVSKY, ALEXANDER F.;MILKOVISCH, MARK;TERABAYASHI, TORU |