申请人 |
SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;ABUBAKAR, ARIA;HABASHY, TAREK;ALUMBAUGH, DAVID;ZHANG, PING;GAO, GUOZHONG;LIU, JIANGUO |
发明人 |
ABUBAKAR, ARIA;HABASHY, TAREK;ALUMBAUGH, DAVID;ZHANG, PING;GAO, GUOZHONG;LIU, JIANGUO |