Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10775525 | Identifying and visually presenting formation slowness based on low-frequency dispersion asymptotes | Chung Chang, John Philip Granville, Gary Kainer | 2020-09-15 |
| 10670761 | Quasi-static Stoneley slowness estimation | Chung Chang, Baichun Sun | 2020-06-02 |
| 10663612 | Real-time determination of mud slowness, formation type, and monopole slowness picks in downhole applications | Chung Chang, Baichun Sun | 2020-05-26 |