申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;HARTMAN, RYAN;PANGA, MOHAN K.R.;DROCHON, BRUNO;STILL, JOHN W. |
发明人 |
HARTMAN, RYAN;PANGA, MOHAN K.R.;DROCHON, BRUNO;STILL, JOHN W. |