申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
AYAN, COSAN;GURPINAR, OMER M.;PALMER, DANIEL;DE ZWART, ALBERT HENDRIK;VAN KRUIJSDIJK, CORNELIUS PETRUS JOSEPHUS WALTHERA;BOERSMA, DIEDERIK MICHIEL;RIELE, PAUL MARIE TE;FREEMAN, JOHN JUSTIN |