Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6887834 | Methods and compositions for consolidating proppant in subterranean fractures | Philip D. Nguyen | 2005-05-03 |
| 6832650 | Methods of reducing or preventing particulate flow-back in wells | Philip D. Nguyen | 2004-12-21 |
| 6729404 | Methods and compositions for consolidating proppant in subterranean fractures | Philip D. Nguyen, Jimmie D. Weaver, Michael A. McCabe, O. Marlene Isenberg | 2004-05-04 |
| 6725926 | Method of tracking fluids produced from various zones in subterranean wells | Philip D. Nguyen, Jimmie D. Weaver | 2004-04-27 |
| 6705400 | Methods and compositions for forming subterranean fractures containing resilient proppant packs | Philip D. Nguyen | 2004-03-16 |
| 6702021 | Methods and drilling fluids for drilling well bores and sealing pipe strings therein | Philip D. Nguyen, O'Thalla M. Isenberg | 2004-03-09 |
| 6691780 | Tracking of particulate flowback in subterranean wells | Philip D. Nguyen, Jimmie D. Weaver | 2004-02-17 |
| 6668926 | Methods of consolidating proppant in subterranean fractures | Philip D. Nguyen | 2003-12-30 |
| 6662873 | Methods and compositions for forming permeable cement sand screens in wells | Philip D. Nguyen, David L. Brown | 2003-12-16 |
| 6592660 | Methods and compositions for forming permeable cement sand screens in well bores | Philip D. Nguyen, Ronald J. Crook, David L. Brown | 2003-07-15 |
| 6390195 | Methods and compositions for forming permeable cement sand screens in well bores | Philip D. Nguyen, Ronald J. Crook, David L. Brown | 2002-05-21 |