Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12070169 | Back scrubbing device for use in the shower | — | 2024-08-27 |
| 5212093 | Method to determine drift and residual oil saturation | Scott Lee Wellington | 1993-05-18 |
| 5063772 | Method for troubleshooting gas-lift wells | Scott Lee Wellington, Jeffrey F. Simmons | 1991-11-12 |
| 5031697 | Method for troubleshooting gas-lift wells | Scott Lee Wellington, Jeffrey F. Simmons | 1991-07-16 |
| 4972704 | Method for troubleshooting gas-lift wells | Scott Lee Wellington, Jeffrey F. Simmons | 1990-11-27 |
| 4782899 | Measuring oil saturation with gaseous oil tracers | — | 1988-11-08 |
| 4782898 | Determining residual oil saturation using carbon 14 labeled carbon dioxide | Scott Lee Wellington | 1988-11-08 |
| 4722394 | Determining residual oil saturation by radioactively analyzing injected CO.sub.2 and base-generating tracer-providing solution | Scott Lee Wellington | 1988-02-02 |
| 4646832 | Determining residual oil saturation by injecting salts of carbonic and halocarboxylic acids | — | 1987-03-03 |
| 4617994 | Determining residual oil saturation by injecting CO.sub.2 and base generating reactant | — | 1986-10-21 |
| 4482016 | Acidizing with chemically heated weak acid | — | 1984-11-13 |
| 4454918 | Thermally stimulating mechanically-lifted well production | Richard Hinson | 1984-06-19 |
| 4452898 | Process for measuring the volume change of a nitrogen-gas-stabilized cement | — | 1984-06-05 |
| 4448751 | Apparatus for testing a nitrogen-gas-stabilized cement | — | 1984-05-15 |
| 4428426 | Method of placing and consolidating a mass of particulate material and composition for use in carrying out said method | David Robert Davies, III, Adrianus M. P. M. Hagelaars | 1984-01-31 |
| 4410041 | Process for gas-lifting liquid from a well by injecting liquid into the well | David Robert Davies, III | 1983-10-18 |
| 4406327 | Chemically-aided gas cap drive | Walter B. Fair, Jr. | 1983-09-27 |
| 4399868 | Unplugging brine-submerged perforations | Walter B. Fair, Jr. | 1983-08-23 |
| 4393938 | Treating wells with ion-exchange-precipitated scale inhibitor | Jimmie B. Lawson | 1983-07-19 |
| 4372385 | Method of pretreating an underground formation for silicon polyhalide consolidation | David Robert Davies, III, Marinus van Zanten | 1983-02-08 |
| 4357248 | Treating wells with self-precipitating scale inhibitor | David C. Berkshire, Jimmie B. Lawson | 1982-11-02 |
| 4333764 | Nitrogen-gas-stabilized cement and a process for making and using it | — | 1982-06-08 |
| RE30935 | Method of starting gas production by injecting nitrogen-generating liquid | Ronald F. Scheuerman | 1982-05-18 |
| 4330037 | Well treating process for chemically heating and modifying a subterranean reservoir | Walter B. Fair, Jr. | 1982-05-18 |
| 4289633 | Chemical process for backsurging fluid through well casing perforations | Ronald F. Scheuerman, David C. Berkshire | 1981-09-15 |