Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5125427 | Freeze-thaw method for temporarily plugging process flowline | Allen R. Petree | 1992-06-30 |
| 5080170 | Method for reducing fluid leak-off during well treatment | Lee E. Whitebay | 1992-01-14 |
| 4986355 | Process for the preparation of fluid loss additive and gel breaker | Burton M. Casad, Charles R. Clark, D. Philip Cords, Edward Francis McBride | 1991-01-22 |
| 4986354 | Composition and placement process for oil field chemicals | Marvin E. Yost | 1991-01-22 |
| 4957165 | Well treatment process | Marion W. Osborne, Edward Francis McBride | 1990-09-18 |
| 4848467 | Formation fracturing process | Edward Francis McBride, Marion W. Osborne | 1989-07-18 |
| 4527626 | Process and apparatus for removing dissolved oxygen | Marvin E. Yost, Robert L. Coffee, James E. Stolhand | 1985-07-09 |