申请人 |
SCHLUMBERGER SURENCO SA;SCHLUMBERGER OILFIELD ASSISTANCE LIMITED;SCHLUMBERGER OVERSEAS S.A.;PRAD RESEARCH AND DEVELOPMENT N.V.;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER SERVICES LIMITED;SCHLUMBERGER TECHNOLOGY LIMITED B.V.;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER CANADA LIMITD;GAJRAJ, ALLYSON;KOSMALA, ALEXANDRE, G.E.;KIMMINAU, STEPHEN;WALSH, PETER, WILLIAM |
发明人 |
GAJRAJ, ALLYSON;KOSMALA, ALEXANDRE, G.E.;KIMMINAU, STEPHEN;WALSH, PETER, WILLIAM |