申请人 |
SERVICES PÉTROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED |
发明人 |
ZUO, YOUXIANG;MULLINS, OLIVER C.;DUBOST, FRANCOIS XAVIER;AYAN, COSAN;ABDALLAH, WAEL;POMERANTZ, ANDREW E.;ZHANG, DINGAN |