申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;PRAD RESEARCH AND DEVELOPMENT LIMITED;PRAD RESEARCH AND DEVELOPMENT LIMITED;RYTLEWSKI, GARY, L.;WHITSITT, JOHN;VAIDYA, NITIN, Y. |
发明人 |
RYTLEWSKI, GARY, L.;WHITSITT, JOHN;VAIDYA, NITIN, Y. |