申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;SOFITECH N.V.;CHAN, KENG, S.;BROWN, J., ERNEST;MILNE, ARTHUR, WILLIAM;RIMMER, BRETT;BRADY, MARK |
发明人 |
CHAN, KENG, S.;BROWN, J., ERNEST;MILNE, ARTHUR, WILLIAM;RIMMER, BRETT;BRADY, MARK |