申请人 |
SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER TECHNOLOGY B.V.;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER CANADA LIMITED;PRAD RESEARCH AND DEVELOPMENT LIMITED;ATKINSON, MALCOLM;STEVENS, JOHN;KHAN, ADEEL;FRAGOSO, SUSANNA;ALTEIRAC, LAURENT;FILAS, JAMES G. |
发明人 |
ATKINSON, MALCOLM;STEVENS, JOHN;KHAN, ADEEL;FRAGOSO, SUSANNA;ALTEIRAC, LAURENT;FILAS, JAMES G. |