Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7879767 | Additives for hydrate inhibition in fluids gelled with viscoelastic surfactants | Allen D. Gabrysch, James B. Crews, Paul McElfresh | 2011-02-01 |
| 7730948 | Use of coated proppant to minimize abrasive erosion in high rate fracturing operations | Rudolphus Johannes Cornelis de Grood | 2010-06-08 |
| 7401647 | Flush mounted tubular patch | Elmer R. Peterson, Steve Rosenblatt | 2008-07-22 |
| 6932156 | Method for selectively treating two producing intervals in a single trip | Christian F. Bayne | 2005-08-23 |
| 6409219 | Downhole screen with tubular bypass | Todd Broome, Benn Voll, Elmer R. Peterson, Bobby E. Hall | 2002-06-25 |
| 6230803 | Apparatus and method for treating and gravel-packing closely spaced zones | Robert D. Morton, Christian F. Bayne | 2001-05-15 |