申请人 |
SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LTD;POITZSCH, MARTIN, E.;SEN, PABITRA, N.;WIEMER, KAREN;PICARD, GUILLEMETTE;VEMBUSUBRAMANIAN, MUTHUSAMY |
发明人 |
POITZSCH, MARTIN, E.;SEN, PABITRA, N.;WIEMER, KAREN;PICARD, GUILLEMETTE;VEMBUSUBRAMANIAN, MUTHUSAMY |