Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832652 | Ultra low density cementitious slurries for use in cementing of oil and gas wells | Thomas Heinold, Murray Rogers, Windal Scott Bray | 2004-12-21 |
| 6802373 | Apparatus and method of detecting interfaces between well fluids | Bradley T. Carlson | 2004-10-12 |