申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;PRAD RESEARCH AND DEVELOPMENT LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;SCHLUMBERGER HOLDINGS LIMITED;MEEHAN, RICHARD;SHI, XIAO, YAN;GUIDRY, JONATHAN;FANG, YING YU (JOSEPH);LAN, LI |
发明人 |
MEEHAN, RICHARD;SHI, XIAO, YAN;GUIDRY, JONATHAN;FANG, YING YU (JOSEPH);LAN, LI |