申请人 |
SCHLUMBERGER TECHNOLOGY B.V.;SERVICES PETROLIERS SCHLUMBERGER (SPS);SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER HOLDINGS LIMITED (SHL);PRAD RESEARCH AND DEVELOPMENT LIMITED;HORNE, STEPHEN, ALLAN;PRIMIERO, PAOLO |
发明人 |
HORNE, STEPHEN, ALLAN;PRIMIERO, PAOLO |