Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10228987 | Method to assess uncertainties and correlations resulting from multi-station analysis of survey data | — | 2019-03-12 |
| 9963936 | Downhole closed loop drilling system with depth measurement | Thomas Kruspe, Robert A. Estes, Rocco DiFoggio | 2018-05-08 |
| 9863236 | Method for locating casing downhole using offset XY magnetometers | Martin Blanz | 2018-01-09 |
| 9804288 | Real-time, limited orientation sensor auto-calibration | Robert A. Estes, Randy R. Riggs, John F. Priest | 2017-10-31 |
| 9422803 | Passive magnetic ranging for SAGD and relief wells via a linearized trailing window kalman filter | Robert A. Estes | 2016-08-23 |