申请人 |
SCHLUMBERGER TECHNOLOGY B.V.;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;PRAD RESEARCH AND DEVELOPMENT LIMITED;SCHLUMBERGER SEACO, INC;ANDERSON, VALERIE;MEETEN, GERALD;CLARKE, ANDREW;ZHANG, TIANHUA;LIGNEUL, PATRICE |
发明人 |
ANDERSON, VALERIE;MEETEN, GERALD;CLARKE, ANDREW;ZHANG, TIANHUA;LIGNEUL, PATRICE |