Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671810 | Composition and method for relief of differential sticking during drilling | William S. Halliday, Thomas Daves, Thomas F. Carter | 1997-09-30 |
| 5633220 | High internal phase ratio water-in-oil emulsion fracturing fluid | Kay E. Cawiezel | 1997-05-27 |
| 5591699 | Particle transport fluids thickened with acetylate free xanthan heteropolysaccharide biopolymer plus guar gum | — | 1997-01-07 |
| 5505260 | Method and apparatus for wellbore sand control | Eric E. Andersen, Larry K. Moran, Nobuo Morita | 1996-04-09 |
| 4861500 | Delayed crosslinker composition containing organic titanium complexes and hydroxycarboxylic acids | — | 1989-08-29 |
| 4801389 | High temperature guar-based fracturing fluid | Harold Dean Brannon, Kevin W. England | 1989-01-31 |
| 4797216 | Delayed crosslinker composition | — | 1989-01-10 |
| 4780223 | Stabilized fracture fluid and crosslinker therefor | Sandra E. Baranet, Clare H. Kucera | 1988-10-25 |
| 4749041 | Hydraulic fracturing method using delayed crosslinker composition | — | 1988-06-07 |
| 4749040 | Method of fracturing a subterranean formation using delayed crosslinker compositions containing organic titanium complexes | — | 1988-06-07 |
| 4686052 | Stabilized fracture fluid and crosslinker therefor | Sandra E. Baranet, Clare H. Kucera | 1987-08-11 |
| 4657080 | Method of fracturing a subterranean formation using delayed crosslinker compositions containing organic titanium complexes | — | 1987-04-14 |
| 4657081 | Hydraulic fracturing method using delayed crosslinker composition | — | 1987-04-14 |