申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;GOMES, LUIZ;MASON, STEPHEN, D.;AUZERAIS, FRANCOIS;KRUSH, ROBERT;PARLAR, MEHMET |
发明人 |
GOMES, LUIZ;MASON, STEPHEN, D.;AUZERAIS, FRANCOIS;KRUSH, ROBERT;PARLAR, MEHMET |