Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11739609 | Methods, apparatus and systems for creating bismuth alloy plugs for abandoned wells | Terizhandur S. Ramakrishnan, Hua Zhang, Youssef Magdy Abdou Mohamed Elkady, Yixuan Feng | 2023-08-29 |
| 11732547 | Methods, apparatus and systems for creating wellbore plugs for abandoned wells | Terizhandur S. Ramakrishnan, Hua Zhang, Albert Ronald Perez | 2023-08-22 |
| 11643902 | Methods, apparatus and systems for creating wellbore plugs for abandoned wells | Terizhandur S. Ramakrishnan, Hua Zhang, Albert Ronald Perez | 2023-05-09 |