Issued Patents 1989
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883124 | Method of enhancing hydrocarbon production in a horizontal wellbore in a carbonate formation | — | 1989-11-28 |
| 4860830 | Method of cleaning a horizontal wellbore | John K. Shucart | 1989-08-29 |
| 4852650 | Hydraulic fracturing with a refractory proppant combined with salinity control | Lawrence R. Stowe | 1989-08-01 |
| 4848464 | Method to improve use of polymers for injectivity profile control in enhanced oil recovery | Mark L. Hoefner | 1989-07-18 |
| 4844158 | Solvent stimulation of viscous oil via a horizontal wellbore | — | 1989-07-04 |
| 4838351 | Proppant for use in viscous oil recovery | Lawrence R. Stowe | 1989-06-13 |
| 4834181 | Creation of multi-azimuth permeable hydraulic fractures | Duane C. Uhri | 1989-05-30 |
| 4828030 | Viscous oil recovery by removing fines | — | 1989-05-09 |
| 4819727 | Method for suspending wells | — | 1989-04-11 |
| 4817719 | Method for suspending wells | — | 1989-04-04 |
| 4817717 | Hydraulic fracturing with a refractory proppant for sand control | Lawrence R. Stowe | 1989-04-04 |
| 4811790 | Well bore device and method for sand control | Lawrence R. Stowe | 1989-03-14 |
| 4811789 | Minimizing formation damage under adverse conditions during gravel pack operations | Paul Shu | 1989-03-14 |
| 4807702 | Method for improving high impulse fracturing | Lloyd G. Jones | 1989-02-28 |
| 4807703 | Fracture acidizing sandstone formations | — | 1989-02-28 |