Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6618322 | Method and apparatus for measuring acoustic mud velocity and acoustic caliper | — | 2003-09-09 |
| 6603310 | Method for correcting downhole NMR data contaminated by borehole signals | Songhua Chen, Holger Thern | 2003-08-05 |
| 6600316 | Rapid NMR multi-frequency T1 and T2 acquisition for earth formations evaluation with MWD or wireline tools | Songhua Chen, Thomas Kruspe | 2003-07-29 |