申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
HARRISON, CHRISTOPHER;FUKAGAWA, SHUNSUKE;SULLIVAN, MATTHEW T.;SMYTHE, JENNY JENNINGS;MEIER, JOHN |