Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9422803 | Passive magnetic ranging for SAGD and relief wells via a linearized trailing window kalman filter | Francis Chad Hanak | 2016-08-23 | $32,714,000 |
| 9411065 | Measurement while drilling spontaneous potential indicator using differential magnetometers | — | 2016-08-09 | $14,251,000 |