申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;LEUGEMORS, ED;ABBAS, RAAFAT;RHEIN-KNUDSEN, ERIK;MCINTIRE, WILLIAM R.;PESSIN, JEAN-LOUIS |
发明人 |
LEUGEMORS, ED;ABBAS, RAAFAT;RHEIN-KNUDSEN, ERIK;MCINTIRE, WILLIAM R.;PESSIN, JEAN-LOUIS |