Issued Patents 2018
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10125274 | Coatings containing carbon composite fillers and methods of manufacture | Lei Zhao, Zhiyue Xu | 2018-11-13 |
| 10100634 | Devices and methods to communicate information from below a surface cement plug in a plugged or abandoned well | Partha Ganguly, Sushant Dutta, Douglas J. Lehr, Michael H. Johnson, John D. Macpherson | 2018-10-16 |
| 10060232 | Multi-layered wellbore completion for methane hydrate production | Michael H. Johnson, Mark K. Adam | 2018-08-28 |
| 10000993 | Multi-gauge wrap wire for subterranean sand screen | Chance Mann, Michael H. Johnson, Steve Rosenblatt | 2018-06-19 |
| 9885226 | Heat exchange in downhole apparatus using core-shell nanoparticles | Oleg A. Mazyar | 2018-02-06 |