Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12078052 | Tubing eccentricity evaluation using acoustic signals | Brenno Caetano Troca Cabella, Xiang Wu, Marco Aurelio Luzio, Pablo Vieira Rego, Chung Chang +3 more | 2024-09-03 |
| 11662495 | Sonic through tubing cement evaluation | Chung Chang, Qingtao Sun, Randolph S. Coles | 2023-05-30 |