申请人 |
SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER TECHNOLOGY B.V.;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER CANADA LIMITED;PRAD RESEARCH AND DEVELOPMENT LIMITED;DENOIX, HENRI;AQUAVIVA, PIERRE-JEROME;LAVRUT, ERIC |
发明人 |
DENOIX, HENRI;AQUAVIVA, PIERRE-JEROME;LAVRUT, ERIC |