Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5377760 | Fiber reinforced gel for use in subterranean treatment processes | — | 1995-01-03 |
| 5372200 | Method and apparatus for sealing a wellbore or well casing screen | — | 1994-12-13 |
| 5293941 | Method of controlling flow in a soil venting well | — | 1994-03-15 |
| 5048609 | Selective permeability reduction in a subterranean hydrocarbon-bearing formation using a nonselective gel | James E. Tackett | 1991-09-17 |
| 5041210 | Oil shale retorting with steam and produced gas | Larry D. Wheaton | 1991-08-20 |
| 4517097 | Process for diluting aqueous polymer solutions | — | 1985-05-14 |
| 4424021 | Method for retorting carbonaceous particles | — | 1984-01-03 |
| 4341620 | Method and apparatus for processing oil shale in a rotary hearth | — | 1982-07-27 |