Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11566488 | Method of using delayed hydratable polymeric viscosifying agent in the treatment of a well or subterranean formation | Andreas Brandl, Christina Magelky, Angela Anh Doan | 2023-01-31 |
| 10822917 | Method of cementing a well using delayed hydratable polymeric viscosifying agents | Andreas Brandl, Christina Magelky, Angela Anh Doan | 2020-11-03 |
| 9637675 | Use of composites having deformable core and viscosifying agent coated thereon in well treatment operations | Harold Dean Brannon, Harold Gene Hudson | 2017-05-02 |
| 9187373 | Method of cementing using polymeric retarder | Andreas Brandl | 2015-11-17 |
| 8689870 | Use of methylhydroxyethyl cellulose as cement additive | Andreas Brandl | 2014-04-08 |
| 8096359 | Method of cementing using polymeric retarder | — | 2012-01-17 |
| 6832652 | Ultra low density cementitious slurries for use in cementing of oil and gas wells | Robert Dillenbeck, Thomas Heinold, Murray Rogers | 2004-12-21 |
| 5105885 | Well cementing method using a dispersant and fluid loss intensifier | William R. Wood | 1992-04-21 |