申请人 |
SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LTD;HURLEY, NEIL, FRANCIS;ZHANG, TUANFENG;XU, GUANGPING;XU, LILI;SLIM, MIRNA |
发明人 |
HURLEY, NEIL, FRANCIS;ZHANG, TUANFENG;XU, GUANGPING;XU, LILI;SLIM, MIRNA |