申请人 |
Services Pétroliers Schlumberger;Schlumberger Holdings Limited;Schlumberger Technology B.V.;PRAD Research and Development Limited |
发明人 |
HELIOT, Denis;BENNETT, Nicholas, N.;KUTIEV, Georgi;LEGENDRE, Emmanuel;GRIFFITHS, Roger;DENICHOU, Jeanmi;SEYDOUX, Jean;LI, Qiming;ITO, Koji |