申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SCHLUMBERGER TECHNOLOGY CORPORATION;THORKILDSEN, TAGE;JOKELA, TIMO;PETUKHOV, PAVEL;DESTAD, MARIUS;RIISEM, EDVIN EIMSTAD |
发明人 |
THORKILDSEN, TAGE;JOKELA, TIMO;PETUKHOV, PAVEL;DESTAD, MARIUS;RIISEM, EDVIN EIMSTAD |