申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;LADVA, HEMANT K.;ALI, SYED;PANGA, MOHAN K. R.;HUTCHINS, RICHARD D.;WILLIAMSON, DON |
发明人 |
LADVA, HEMANT K.;ALI, SYED;PANGA, MOHAN K. R.;HUTCHINS, RICHARD D.;WILLIAMSON, DON |