Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6435277 | Compositions containing aqueous viscosifying surfactants and methods for applying such compositions in subterranean formations | Qi Qu, Erik Nelson, Mathew M. Samuel, Jesse Lee, Frank F. Chang +4 more | 2002-08-20 |
| 6419019 | Method to remove particulate matter from a wellbore using translocating fibers and/or platelets | Bentley J. Palmer, Roger J. Card, J. Ernest Brown, Philip F. Sullivan | 2002-07-16 |