Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6177385 | Metal ion crosslinked fracturing fluid and method | — | 2001-01-23 |
| 5972850 | Metal ion crosslinked fracturing fluid and method | — | 1999-10-26 |
| 5877127 | On-the-fly control of delayed borate-crosslinking of fracturing fluids | Roger J. Card, L. Jack Maberry, S. Bruce McConnell, Erik Nelson | 1999-03-02 |
| 5681796 | Borate crosslinked fracturing fluid and method | — | 1997-10-28 |
| 5259455 | Method of using borate crosslinked fracturing fluid having increased temperature range | Curtis W. Crown, S. Bruce McConnell, Brian Roland Ainley | 1993-11-09 |
| 5229017 | Method of enhancing methane production from coal seams by dewatering | Jerald J. Hinkel | 1993-07-20 |
| 5103913 | Method of fracturing high temperature wells and fracturing fluid therefore | Curtis L. Boney | 1992-04-14 |
| 4732669 | Conditioner for flotation of coal | — | 1988-03-22 |
| 4669544 | Reducing paraffin deposits on paraffin contaminated surfaces | — | 1987-06-02 |
| 4501775 | Method for reducing the strength of ice | Christ F. Parks | 1985-02-26 |
| 4439337 | Composition and method for preventing freezing together of various surfaces | Claude T. Copeland | 1984-03-27 |
| 4388203 | Composition and method for melting frozen aqueous solutions | Claude T. Copeland | 1983-06-14 |
| 4330339 | Lower alkanoic acid derivatives of a diethanolamine/fatty acid condensate | — | 1982-05-18 |