Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12078052 | Tubing eccentricity evaluation using acoustic signals | Brenno Caetano Troca Cabella, Xiang Wu, Marco Aurelio Luzio, Chung Chang, Federico Combis Lucas +3 more | 2024-09-03 |
| 11815478 | Through-tubing, cased-hole sealed material density evaluation using gamma ray measurements | Jeffrey James Crawford, Randolph S. Coles | 2023-11-14 |
| 11808136 | Through-tubing, cased-hole sealed material evaluation using acoustic measurements | Randolph S. Coles, Jeffrey James Crawford, Chung Chang | 2023-11-07 |
| 11662496 | Through tubing acoustic measurements | Brenno Caetano Troca Cabella, Ruijia Wang, Chung Chang, Qingtao Sun, Yao Ge +3 more | 2023-05-30 |