Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6978834 | Foamed and non-foamed cement compositions including silane treated amorphous silica and methods | Jiten Chatterji, Roger S. Cromwell | 2005-12-27 |
| 6973969 | Apparatus and methods for preventing or limiting rotation of cementing plugs | Anthony M. Badalamenti | 2005-12-13 |