Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8069913 | Method and apparatus for detecting acoustic activity in a subsurface formation | Emmanuel Coste, Paolo Primiero | 2011-12-06 |
| 8061047 | Active positioning of downhole devices using spherical motors | Juei Igarashi, Hideyuki Kamei, Hitoshi Sugiyama, Paolo Primiero, Hitoshi Tashiro | 2011-11-22 |
| 7886820 | Method and system for monitoring the incursion of particulate material into a well casing within hydrocarbon bearing formations including gas hydrates | Shunetsu Onodera, Hitoshi Sugiyama, Ahmed Al-Jubori, Masafumi Fukuhara | 2011-02-15 |