申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;SOFITECH N.V.;FRANCINI, PIA-ANGELA;CHAN, KENG;BRADY, MARK;FREDD, CHRISTOPHER |
发明人 |
FRANCINI, PIA-ANGELA;CHAN, KENG;BRADY, MARK;FREDD, CHRISTOPHER |