Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8030253 | Foamed cement compositions comprising oil-swellable particles | Craig W. Roddy, Bobby J. King, D. Chad Brenneis | 2011-10-04 |
| 7927419 | Settable compositions comprising cement kiln dust and swellable particles | Craig W. Roddy, D. Chad Brenneis, Bobby J. King | 2011-04-19 |
| 7892352 | Well treatment compositions and methods utilizing nano-particles | Craig W. Roddy, Roger S. Cromwell | 2011-02-22 |
| 7863225 | Defoaming methods and compositions | Bobby J. King | 2011-01-04 |