申请人 |
SCHLUMBERGER TECHNOLOGY B.V.;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER HOLDINGS LIMITED;PRAD RESEARCH AND DEVELOPMENT LIMITED;YAMATE, TSUTOMU;TERABAYASHI, TORU;VASQUES, RICARDO;KANAYAMA, KAZUMASA;HOSODA, YUJI;BRIQUET, STEPHANE |
发明人 |
YAMATE, TSUTOMU;TERABAYASHI, TORU;VASQUES, RICARDO;KANAYAMA, KAZUMASA;HOSODA, YUJI;BRIQUET, STEPHANE |