| 申请人 |
SCHLUMBERGER TECHNOLOGY B.V.;PETROLEUM RESEARCH AND DEVELOPMENT N.V.;SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER OILFIELD ASSISTANCE LIMITED;SCHLUMBERGER OVERSEAS S.A.;SCHLUMBERGER SERVICES LIMITED;SCHLUMBERGER SURENCO S.A.;SERVICES PETROLIERS SCHLUMBERGER |
发明人 |
LI JIANG;TIMOTHY GARETH JOHN JONES;NATHAN LAWRENCE;MARY THOMPSON;RICHARD COMPTON |
