申请人 |
SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;BEDOUET, SYLVAIN;QUAM, ERIK;ELLSON, NICHOLAS |
发明人 |
BEDOUET, SYLVAIN;QUAM, ERIK;ELLSON, NICHOLAS |