Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11352883 | In-situ rheology behavior characterization using data analytics techniques | Thomas Dahl, Roland May, Reza Ettehadi Osgouei, Dennis Clapper | 2022-06-07 |
| 10858567 | Invert emulsions having a non-aqueous based internal phase containing dissolved salts | Reza Ettehadi Osgouei, Dennis K. Clapper | 2020-12-08 |
| 6138755 | Method for enhancing the compatibility of a zinc-brine completion fluid with a fracturing fluid | — | 2000-10-31 |
| 5612293 | Drill-in fluids and drilling methods | Stephen Stroh | 1997-03-18 |
| 5290531 | Method of making ammonium bromide and calcium bromide | Russell A. Fisher, Surendra K. Mishra | 1994-03-01 |