申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;COOPER, IAIN;WILLBERG, DEAN M.;MILLER, MATTHEW J. |
发明人 |
COOPER, IAIN;WILLBERG, DEAN M.;MILLER, MATTHEW J. |