Issued Patents All Time
Showing 51–75 of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898242 | Method for suspending wells | Paul Shu | 1990-02-06 |
| 4896724 | Method for suspending wells | Randy D. Hazlett, Paul Shu | 1990-01-30 |
| 4892147 | Hydraulic fracturing utilizing a refractory proppant | Lawrence R. Stowe | 1990-01-09 |
| 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 |
| 4817717 | Hydraulic fracturing with a refractory proppant for sand control | Lawrence R. Stowe | 1989-04-04 |
| 4817719 | Method for suspending wells | — | 1989-04-04 |
| 4811789 | Minimizing formation damage under adverse conditions during gravel pack operations | Paul Shu | 1989-03-14 |
| 4811790 | Well bore device and method for sand control | Lawrence R. Stowe | 1989-03-14 |
| 4807703 | Fracture acidizing sandstone formations | — | 1989-02-28 |
| 4807702 | Method for improving high impulse fracturing | Lloyd G. Jones | 1989-02-28 |
| 4787452 | Disposal of produced formation fines during oil recovery | — | 1988-11-29 |
| 4787456 | Method to improve matrix acidizing in carbonates | Lloyd G. Jones | 1988-11-29 |
| 4756369 | Method of viscous oil recovery | Edwin T. Strom | 1988-07-12 |
| 4750562 | Method to divert fractures induced by high impulse fracturing | — | 1988-06-14 |
| 4742496 | Method of evaluating gravel packs | Duane C. Uhri | 1988-05-03 |
| 4739832 | Method for improving high impulse fracturing | Lloyd G. Jones | 1988-04-26 |
| 4711302 | Gravel pack void space removal via high energy impulse | — | 1987-12-08 |