申请人 |
SAFONOV, SERGEY SERGEEVICH;SCHLUMBERGER, HOLDINGS LIMITED;SCHLUMBERGER, TECHNOLOGY B.V.;SCHLUMBERGER, CANADA LIMITED;PRAD RESEARCH AND DEVELOPMENT LIMITED;SERVICES PETROLIERS SCHLUMBERGER |
发明人 |
SAFONOV, SERGEY SERGEEVICH;KLEMIN, DENIS VLADIMIROVICH;DOZHDEV, DIMITRY VYACHESLAVOVICH |