Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10119350 | Expandable junk mill | — | 2018-11-06 |
| 10100634 | Devices and methods to communicate information from below a surface cement plug in a plugged or abandoned well | Partha Ganguly, Sushant Dutta, Bennett M. Richard, Michael H. Johnson, John D. Macpherson | 2018-10-16 |
| 9915126 | High pressure circulating shoe track with redundant pressure isolation feature | Colin Andrew | 2018-03-13 |