申请人 |
SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;GOODWIN, ANTHONY, R., H.;POP, JULIAN, J.;BRIQUET, STEPHANE;VASQUES, RICARDO;ZAZOVSKY, ALEXANDER |
发明人 |
GOODWIN, ANTHONY, R., H.;POP, JULIAN, J.;BRIQUET, STEPHANE;VASQUES, RICARDO;ZAZOVSKY, ALEXANDER |