Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8211836 | Method of removing calcareous or siliceous deposits or scales | Qi Qu | 2012-07-03 |
| 8071510 | Method of increasing lubricity of brine-based drilling fluids and completion brines | William Chrys Scoggins | 2011-12-06 |
| 7837931 | Method of using solubilized transition metal oxides in well operations | Richard F. Stevens, Qi Qu | 2010-11-23 |
| 7781381 | Method for controlling inorganic fluoride scales | Qi Qu | 2010-08-24 |
| 7398824 | Method for inhibiting or controlling inorganic scale formations with copolymers of acrylamide and quaternary ammonium salts | Xiaolan Wang, Qi Qu | 2008-07-15 |
| 7270180 | Scaling inhibitors and method for using the same in high density brines | Qi Qu | 2007-09-18 |
| 7159655 | Method for inhibiting or controlling inorganic scale formations | Qi Qu | 2007-01-09 |