Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8085049 | Electromagnetic wave resistivity tool having a tilted antenna for geosteering within a desired payzone | — | 2011-12-27 |
| 8085050 | Robust inversion systems and methods for azimuthally sensitive resistivity logging tools | Guoyu Hu | 2011-12-27 |
| 8030937 | Multiple frequency based leakage correction for imaging in oil based muds | Guoyu Hu, William J. Schaecher | 2011-10-04 |
| 7982464 | Drilling systems and methods using radial current flow for boundary detection or boundary distance estimation | Guoyu Hu, William Hendricks | 2011-07-19 |
| 7948238 | Electromagnetic wave resistivity tool having a tilted antenna for determining properties of earth formations | — | 2011-05-24 |