Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8847600 | Use of autotransformer-like antennas for downhole applications | Samuel R. Bell, Stanislav W. Forgang, Sheng Fang | 2014-09-30 |
| 8829907 | Frequency filtering and adjustment of electromagnetically received signals from antennas | Sheng Fang, Samuel R. Bell | 2014-09-09 |
| 8164339 | Apparatus and system for geosteering and formation evaluation utilizing improved antennas | Sheng Fang, Tsili Wang, Roland E. Chemali | 2012-04-24 |
| 7742008 | Multipole antennae for logging-while-drilling resistivity measurements | Tsili Wang | 2010-06-22 |
| 7723991 | Apparatus and method for azimuthal MWD resistivity imaging at multiple depths of investigation | Tsili Wang, Roland E. Chemali | 2010-05-25 |
| 7663372 | Resistivity tools with collocated antennas | Tsili Wang | 2010-02-16 |
| 7471088 | Elimination of the anisotropy effect in LWD azimuthal resistivity tool data | Liming Yu, Tsili Wang | 2008-12-30 |