Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5025859 | Overlapping horizontal fracture formation and flooding process | Lewis D. Thorson | 1991-06-25 |
| 4889186 | Overlapping horizontal fracture formation and flooding process | Lewis D. Thorson | 1989-12-26 |
| 4848480 | Method and apparatus for wire line protection in a well | Paul Titchener, Michael J. Walsh | 1989-07-18 |
| 4845494 | Method and apparatus using casing and tubing for transmitting data up a well | Paul Titchener | 1989-07-04 |
| 4821035 | Method and apparatus using a well casing for transmitting data up a well | Paul Titchener | 1989-04-11 |
| 4724434 | Method and apparatus using casing for combined transmission of data up a well and fluid flow in a geological formation in the well | Paul Titchener | 1988-02-09 |
| 4616702 | Tool and combined tool support and casing section for use in transmitting data up a well | Paul Titchener, Clifford W. Hamberlin | 1986-10-14 |