Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6630021 | Cementing casing strings in deep water offshore wells | Russell M. Fitzgerald | 2003-10-07 |
| 6616753 | Methods and compositions for sealing subterranean zones | Karen Luke | 2003-09-09 |
| 6613837 | Monovinylaromatic polymer with improved stress crack resistance | Kenneth P. Blackmon | 2003-09-02 |
| 6554068 | Method of downhole fluid separation and displacement and a plug utilized therein | Jiten Chatterji, Frank Zamora, Roger S. Cromwell | 2003-04-29 |
| 6508306 | Compositions for solving lost circulation problems | Jiten Chatterji, Roger S. Cromwell | 2003-01-21 |