申请人 |
SCHLUMBERGER TECHNOLOGY CORPORATION;SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;MANGAL, LARS, NICOLAS;VANNUFFELEN, STEPHANE;RAMOS, ROGERIO, TADEU;VASQUES, RICARDO, R.;BERARD, MICHEL, V.;DION, DOMINIQUE |
发明人 |
MANGAL, LARS, NICOLAS;VANNUFFELEN, STEPHANE;RAMOS, ROGERIO, TADEU;VASQUES, RICARDO, R.;BERARD, MICHEL, V.;DION, DOMINIQUE |