Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428948 | Wellbore trajectory model calibration for directional drilling | Nazli Demirer, Julien Christian Marck, Robert P. Darbe | 2025-09-30 |
| 12330783 | Weathervaning for hybrid flight aircraft | Michael Szmuk, Daniel Robert Hentzen, Marco Antonio De Barros Ceze, Raghu Venkataraman, Christopher McFarland +3 more | 2025-06-17 |
| 12197515 | Diagnostic trouble code signature classification for downhole tool fault identification | Wei Zhang, Reena Agarwal Chanpura | 2025-01-14 |
| 12084959 | Estimating borehole shape between stationary survey locations | Mark Vincent Collins, Wei Zhang | 2024-09-10 |
| 12044117 | Methods for estimating downhole weight on bit and rate of penetration using acceleration measurements | Alexander Keller, Ketan C. Bhaidasna, Jian Wu, Robert P. Darbe, Julien Christian Marck +3 more | 2024-07-23 |
| 12024995 | Perturbation based well path reconstruction | Julien Christian Marck, Robert P. Darbe, Nazli Demirer | 2024-07-02 |
| 12012840 | Techniques for calibrating borehole propagation model for direction drilling in real time | Vy Pho, Nazli Demirer, Robert P. Darbe | 2024-06-18 |
| 11913334 | Downhole controller assisted drilling of a constant curvature in a borehole | Wei Zhang | 2024-02-27 |
| 11761326 | Automated scheduling of sensors for directional drilling | Reena Agarwal Chanpura, Cristian Lenin Sosareyes | 2023-09-19 |
| 11739625 | Trajectory control for directional drilling using formation evaluation measurement feedback | Wei Zhang, Mevis Juliana Tarazona Mercado, Richard Thomas Hay | 2023-08-29 |
| 11674353 | Trajectory control for directional drilling | Robert P. Darbe | 2023-06-13 |
| 11613930 | Systems and methods to improve directional drilling | Yiming Zhao, Julien Christian Marck, Robert P. Darbe | 2023-03-28 |
| 11408268 | Autonomous directional drilling directional tendency estimation | Nazli Demirer, Peter Hornblower, Robert P. Darbe, Julien Christian Marck | 2022-08-09 |
| 11326441 | Sensor fusion and model calibration for bit attitude prediction | Qiuying Gu, Robert P. Darbe, Julien Christian Valery Marek | 2022-05-10 |
| 10947784 | Sliding mode control techniques for steerable systems | Yiming Zhao | 2021-03-16 |
| 10883341 | Determining control inputs for drilling a wellbore trajectory in a geologic formation | Nazli Demirer, Julien Christian Valery Marek, Robert P. Darbe | 2021-01-05 |