Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11896938 | Nanobubble dispersions generated in electrochemically activated solutions | Gary James Grieco, Jeffery Kearns Hardin, Leonard Mark Bland | 2024-02-13 |
| 11332659 | Enhanced oil recovery using treatment fluids comprising colloidal silica with a proppant | John Edmond Southwell, Yusra Khan Ahmad | 2022-05-17 |
| 11274244 | Using brine resistant silicon dioxide nanoparticle dispersions to improve oil recovery | Yusra Khan Ahmad, John Edmond Southwell | 2022-03-15 |
| 11180692 | Using brine resistant silicon dioxide nanoparticle dispersions to improve oil recovery | Yusra Khan Ahmad, John Edmond Southwell | 2021-11-23 |
| 10934478 | Enhanced oil recovery using treatment fluids comprising colloidal silica with a proppant | John Edmond Southwell, Yusra Khan Ahmad | 2021-03-02 |
| 10870794 | Using brine resistant silicon dioxide nanoparticle dispersions to improve oil recovery | Yusra Khan Ahmad, John Edmond Southwell | 2020-12-22 |
| 10801310 | Using gases and hydrocarbon recovery fluids containing nanoparticles to enhance hydrocarbon recovery | Robin Watts, Kevin G. Watts, John Edmond Southwell, Naveed Aslam, Yusra Khan Ahmad | 2020-10-13 |
| 7544639 | Composition and process for the treatment of hydrogen sulfide | John T. Pursley, Glenn S. Penny | 2009-06-09 |
| 7380606 | Composition and process for well cleaning | John T. Pursley, Glenn S. Penny | 2008-06-03 |
| 7179008 | Applicator pen | — | 2007-02-20 |
| 5929437 | Encapsulated radioactive tracer | Douglas W. Elliott | 1999-07-27 |