Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10125303 | Compositions and methods for cementing a wellbore using microbes or enzymes | Michael Brendt Wilson, Charles David Armstrong | 2018-11-13 |
| 9944558 | Wellbore cement compositions and wellbore cementing methods | Guido Gustavo Narvaez, Diana Cardona, Dong-Ming Shen | 2018-04-17 |
| 9884986 | Method of using biosurfactants as acid corrosion inhibitors in well treatment operations | Stanley Gunawan, Charles David Armstrong | 2018-02-06 |