Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637517 | Compositions containing aqueous viscosifying surfactants and methods for applying such compositions in subterranean formations | Mathew M. Samuel, Frank F. Chang, Ronnie L. Thomas | 2003-10-28 |
| 6608005 | Wellbore fluids and their application | Bentley J. Palmer, Diankui Fu, Edgar Volpert | 2003-08-19 |