申请人 |
SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;CORRE, PIERRE-YVES;CARREE, GILLES;METAYER, STEPHANE |
发明人 |
CORRE, PIERRE-YVES;CARREE, GILLES;METAYER, STEPHANE |