Issued Patents All Time
Showing 151–158 of 158 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481494 | Method and apparatus for frac/gravel packs | Travis Hailey | 2002-11-19 |
| 6446722 | Methods for completing wells in unconsolidated subterranean zones | Philip D. Nguyen | 2002-09-10 |
| 6427775 | Methods and apparatus for completing wells in unconsolidated subterranean zones | R. C. Jannise, Janet L. Roper, Audis C. Byrd, Travis Hailey, Philip D. Nguyen | 2002-08-06 |
| 6263966 | Expandable well screen | Richard Carl Haut, Ian Mickelburgh, Pat York, Jackie M. LaFontaine | 2001-07-24 |
| 6070664 | Well treating fluids and methods | Eldon D. Dalrymple, Sanjay Vitthal, Albert L. Wagner | 2000-06-06 |
| 6003600 | Methods of completing wells in unconsolidated subterranean zones | Philip D. Nguyen | 1999-12-21 |
| 5934376 | Methods and apparatus for completing wells in unconsolidated subterranean zones | Philip D. Nguyen | 1999-08-10 |
| 5558161 | Method for controlling fluid-loss and fracturing high permeability subterranean formations | Sanjay Vitthal, Mary Anne Hardy, David E. McMechan, William E. Martch | 1996-09-24 |