申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;CORRE, PIERRE-YVES;BRIQUET, STEPHANE;YELDELL, STEPHEN;SONNE, CARSTEN;HARRIGAN, EDWARD;ZAZOVSKY, ALEXANDER F. |
发明人 |
CORRE, PIERRE-YVES;BRIQUET, STEPHANE;YELDELL, STEPHEN;SONNE, CARSTEN;HARRIGAN, EDWARD;ZAZOVSKY, ALEXANDER F. |