Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10641083 | Method of monitoring fluid flow from a reservoir using well treatment agents | Dong-Ming Shen, Stephen J. Szymczak, Dora V. Galvan | 2020-05-05 |
| 10434467 | Method of scavenging hydrogen sulfide and mercaptans using well treatment composites | Dong-Ming Shen, Stephen J. Szymczak | 2019-10-08 |
| 9879173 | Well treatment composites for use in well treatment fluids | — | 2018-01-30 |
| 9656237 | Method of scavenging hydrogen sulfide and mercaptans using well treatment composites | Dong-Ming Shen, Stephen J. Szymczak | 2017-05-23 |
| 8664168 | Method of using composites in the treatment of wells | — | 2014-03-04 |
| 7556100 | Apparatus and method for delivering chemicals into an underground well | — | 2009-07-07 |
| 6786963 | Paving compositions and methods for their use | Ronald M. Matherly | 2004-09-07 |