申请人 |
SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;RAMAKRISHNAN, TERIZHANDUR, S.;KUCHUK, FIKRI, JOHN;ALTUNDAS, YUSUF, BILGIN;ZHAN, LANG |
发明人 |
RAMAKRISHNAN, TERIZHANDUR, S.;KUCHUK, FIKRI, JOHN;ALTUNDAS, YUSUF, BILGIN;ZHAN, LANG |