申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;ALLEN, MICHAEL;LEMME, FREDERICK;VAIDYA, NITIN Y. |
发明人 |
ALLEN, MICHAEL;LEMME, FREDERICK;VAIDYA, NITIN Y. |