申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;CORRE, PIERRE-YVES;METAYER, STEPHANE;ZAZOVSKY, ALEXANDER F.;YELDELL, STEPHEN;PESSIN, JEAN-LOUIS |
发明人 |
CORRE, PIERRE-YVES;METAYER, STEPHANE;ZAZOVSKY, ALEXANDER F.;YELDELL, STEPHEN;PESSIN, JEAN-LOUIS |