申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SCHLUMBERGER TECHNOLOGY CORPORATION;CHAN, KENG SENG;FAH, GOH KIM;JAIN, BIPIN |
发明人 |
CHAN, KENG SENG;FAH, GOH KIM;JAIN, BIPIN |