申请人 |
SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;BUCHANAN, STEVEN, E.;WALKINGSHAW, ADAM;SLOCUM, ALEX;EROL, GOKHAN |
发明人 |
BUCHANAN, STEVEN, E.;WALKINGSHAW, ADAM;SLOCUM, ALEX;EROL, GOKHAN |