申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;BEEKMAN, SICCO;TONG, ZHOU;STOLLER, CHRISTIAN |
发明人 |
BEEKMAN, SICCO;TONG, ZHOU;STOLLER, CHRISTIAN |