Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338725 | System to model distributed torque, drag and friction along a string | Joern Koeneke, Matthew Forshaw | 2025-06-24 |
| 11352883 | In-situ rheology behavior characterization using data analytics techniques | Roland May, Reza Ettehadi Osgouei, Rosa Swartwout, Dennis Clapper | 2022-06-07 |
| 11293283 | Synthetic formation evaluation logs based on drilling vibrations | Jianyong Pei, John D. Macpherson, Pushkar N. Jogi, Hanno Reckmann | 2022-04-05 |
| 10352158 | Synthetic formation evaluation logs based on drilling vibrations | Jianyong Pei, John D. Macpherson, Pushkar N. Jogi, Hanno Reckmann | 2019-07-16 |
| 10287870 | Drill pipe monitoring and lifetime prediction through simulation based on drilling information | — | 2019-05-14 |
| 10100580 | Lateral motion control of drill strings | Hanno Reckmann, Roland May | 2018-10-16 |
| 9951607 | System and method for characterization of downhole measurement data for borehole stability prediction | Stefan Wessling, Jianyong Pei, Roland May, Andreas Hartmann | 2018-04-24 |
| 8902695 | Apparatus and method for clock shift correction for measurement-while-drilling measurements | Dmitriy Dashevskiy, Patrick J. McGinley, John D. Macpherson, Andrew Brooks, Mitchell G. Pinnell +4 more | 2014-12-02 |
| 8788207 | Precise borehole geometry and BHA lateral motion based on real time caliper measurements | Jianyong Pei, John D. Macpherson | 2014-07-22 |
| 8600679 | System and method to locate, monitor and quantify friction between a drillstring and a wellbore | Ralf Zaeper, Roland May, John D. Macpherson | 2013-12-03 |
| 7503403 | Method and apparatus for enhancing directional accuracy and control using bottomhole assembly bending measurements | Pushkar N. Jogi, Michael Neubert, John D. Macpherson, James A. Hood, Volker Krueger +2 more | 2009-03-17 |