Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11193054 | Biologically mediated precipitation of carbonates for use in oilfield applications | Mark A. Vorderbruggen, Charles David Armstrong, Harold Dean Brannon | 2021-12-07 |
| 11060013 | Methods of controlling fines migration in a well | Charles David Armstrong, Mark A. Vorderbruggen | 2021-07-13 |
| 10125303 | Compositions and methods for cementing a wellbore using microbes or enzymes | Mark A. Vorderbruggen, Charles David Armstrong | 2018-11-13 |
| 9845422 | Methods of delivering calcium carbonate producing microbes or enzymes downhole | Mark A. Vorderbruggen, Charles David Armstrong | 2017-12-19 |