Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5783527 | Well drilling and servicing fluids which deposit an easily removable filter cake | James W. Dobson, Jr. | 1998-07-21 |
| 5607905 | Well drilling and servicing fluids which deposit an easily removable filter cake | James W. Dobson, Jr. | 1997-03-04 |
| 5253711 | Process for decomposing polysaccharides in alkaline aqueous systems | — | 1993-10-19 |
| 5238065 | Process and composition to enhance removal of polymer-containing filter cakes from wellbores | Gerald R. Benta | 1993-08-24 |
| 4822500 | Saturated brine well treating fluids and additives therefore | James W. Dobson, Jr., Alan T. Mondshine | 1989-04-18 |
| 4621692 | Water soluble perforation pack | — | 1986-11-11 |
| 4620596 | Well drilling, workover and completion fluids | — | 1986-11-04 |
| 4619776 | Crosslinked fracturing fluids | — | 1986-10-28 |
| 4369843 | Well completion and work over method | — | 1983-01-25 |
| 4192756 | Anticaking of sodium chloride and potassium chloride | — | 1980-03-11 |
| 4186803 | Well completion and work over method | — | 1980-02-05 |