申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SCHLUMBERGER TECHNOLOGY CORPORATION;DYER, STEPHEN;SHAFIQ, MUHAMMAD;ALLEN, MICHAEL;VAIDYA, NITIN |
发明人 |
DYER, STEPHEN;SHAFIQ, MUHAMMAD;ALLEN, MICHAEL;VAIDYA, NITIN |