申请人 |
SCHLUMBERGER CANADA LIMITED;MINIKH, OLGA ALEXANDROVNA;SCHLUMBERGER, TECHNOLOGY CORPORATION;SCHLUMBERGER, HOLDINGS LIMITED;SCHLUMBERGER, TECHNOLOGY B.V.;PRAD, RESEARCH AND DEVELOPMENT LIMITED;SERVICES, PETROLIERS SCHLUMBERGER |
发明人 |
MINIKH, OLGA ALEXANDROVNA;FU, DIANKUI;DAOU, FATMA;LUNGWITZ, BERNHARD |