Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5547563 | Method of conversion of heavy hydrocarbon feedstocks | — | 1996-08-20 |
| 4892147 | Hydraulic fracturing utilizing a refractory proppant | Alfred R. Jennings, Jr. | 1990-01-09 |
| 4852650 | Hydraulic fracturing with a refractory proppant combined with salinity control | Alfred R. Jennings, Jr. | 1989-08-01 |
| 4838351 | Proppant for use in viscous oil recovery | Alfred R. Jennings, Jr. | 1989-06-13 |
| 4817717 | Hydraulic fracturing with a refractory proppant for sand control | Alfred R. Jennings, Jr. | 1989-04-04 |
| 4811790 | Well bore device and method for sand control | Alfred R. Jennings, Jr. | 1989-03-14 |
| 4774888 | In situ disposable gel canister | Lloyd G. Jones | 1988-10-04 |
| 4694727 | Situ disposable gel canister | Lloyd G. Jones | 1987-09-22 |
| 4685519 | Hydraulic fracturing and gravel packing method employing special sand control technique | Malcolm K. Strubhar | 1987-08-11 |
| 4623021 | Hydraulic fracturing method employing a fines control technique | — | 1986-11-18 |
| 4590997 | Controlled pulse and peroxide fracturing combined with a metal containing proppant | — | 1986-05-27 |
| 4570710 | Method for preventing wellbore damage due to fines migration | — | 1986-02-18 |
| 4549608 | Hydraulic fracturing method employing special sand control technique | Malcolm K. Strubhar | 1985-10-29 |
| 4548252 | Controlled pulse fracturing | Warren F. Johnson | 1985-10-22 |
| 4454018 | Simultaneous crushing and retorting of oil shale with fluid jets | Valadi N. Venkatesan | 1984-06-12 |
| 4441986 | Shale retorting with inorganic removal prior to combustion | — | 1984-04-10 |