申请人 |
SYRESIN, DENIS EVGENIEVICH;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;SCHLUMBERGER CANADA LIMITED;PRAD RESEARCH AND DEVELOPMENT LIMITED;SERVICES PETROLIERS SCHLUMBERGER |
发明人 |
SYRESIN, DENIS EVGENIEVICH;ZHARNIKOV, TIMUR VYACHESLAVOVICH;FUKUHARA, MASAFUMI;ENDO, TAKESHI;YAMAMOTO, HIROAKI |