申请人 |
SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER TECHNOLOGY B.V.;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER CANADA LIMITED;PETROLEUM RESEARCH & DEVELOPMENT N.V.;SCHLUMBERGER OVERSEAS S.A.;SCHLUMBERGER OILFIELD ASSISTANCE LIMITED;SCHLUMBERGER SURENCO S.A.;SCHLUMBERGER SERVICES LIMITED;DELHOMME, JEAN-PIERRE;JENNEVIN, CHRISTIAN;SOUHAITE, PHILIPPE;VEIGNAT, ERIC |
发明人 |
DELHOMME, JEAN-PIERRE;JENNEVIN, CHRISTIAN;SOUHAITE, PHILIPPE;VEIGNAT, ERIC |