申请人 |
SCHLUMBERGER TECHNOLOGY B.V.;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER HOLDINGS LIMITED;PRAD RESEARCH AND DEVELOPMENT LIMITED;KHADHRAOUI, BASSEM;LESLIE, HAROLD, DAVID;MICHAUD, GWENOLA;LEANEY, W., SCOTT |
发明人 |
KHADHRAOUI, BASSEM;LESLIE, HAROLD, DAVID;MICHAUD, GWENOLA;LEANEY, W., SCOTT |