申请人 |
SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED |
发明人 |
MULLINS, OLIVER C.;GUSTAVSON, GALE H.;HARRISON, CHRISTOPHER;RAGHURAMAN, BHAVANI;VAN HAL, RONALD E.G.;LAWRENCE, JIMMY;LADAVAC, KOSTA;ANDREWS, A. BALLARD;JONES, TIMOTHY GARETH JOHN;RAMOS, ROGERIO TADEU |