Issued Patents All Time
Showing 1–25 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11952883 | System and method for mitigating stick-slip | Zhijie Sun | 2024-04-09 |
| 11242741 | Fatigue analysis procedure for drill string | Wei Chen, Yani Dong, Geng Yun, Yuelin Shen | 2022-02-08 |
| 11125070 | Real time drilling monitoring | Yuelin Shen, Wei Chen, Gang Xu, Guishui Zheng, Rongbing Chen +3 more | 2021-09-21 |
| 11073009 | Drilling energy calculation based on transient dynamics simulation and its application to drilling optimization | Wei Chen, Christopher C. Bogath, Richard John Harmer, Yani Dong, Chanhui Bin +1 more | 2021-07-27 |
| 10920536 | Methods and systems for designing drilling systems | Geoffrey C. Downton, Guishui Zheng | 2021-02-16 |
| 10900288 | Slide drilling system and method | Yuelin Shen, Cesar Pena, Oney Erge | 2021-01-26 |
| 10718187 | Methods for analyzing and optimizing drilling tool assemblies | Yuelin Shen, Wei Chen, Zhengxin Zhang, Jibin Shi, Riadh Boualleg | 2020-07-21 |
| 10400547 | Methods for analyzing and designing bottom hole assemblies | Wei Chen, Yani Dong, Richard John Harmer, Yuelin Shen | 2019-09-03 |
| 10385619 | Computing systems, tools, and methods for simulating wellbore departure | Xinghan Liu, Jianjun Yang, Gang Xu, Feng Feng | 2019-08-20 |
| 10267136 | Methods for analyzing and optimizing casing while drilling assemblies | Gang Xu, Geng Yun, Wei Chen, Yuelin Shen | 2019-04-23 |
| 9790769 | Method of selecting drill bits | — | 2017-10-17 |
| 9765571 | Methods for selecting bits and drilling tool assemblies | — | 2017-09-19 |
| 9482055 | Methods for modeling, designing, and optimizing the performance of drilling tool assemblies | — | 2016-11-01 |
| 9382761 | Dynamic vibrational control | Stuart Oliver, Graham Stronach | 2016-07-05 |
| 9097074 | Polycrystalline diamond composites | Yuelin Shen, Youhe Zhang, Madapusi K. Keshavan | 2015-08-04 |
| 8812281 | Methods for designing secondary cutting structures for a bottom hole assembly | Wei Tang, Gordon Ray Whipple, Navish Makkar, Tommy Laird, Gail Nelson | 2014-08-19 |
| 8670963 | Method of selecting drill bits | — | 2014-03-11 |
| 8589124 | Methods for modeling wear of fixed cutter bits and for designing and optimizing fixed cutter bits | — | 2013-11-19 |
| 8401831 | Methods for designing secondary cutting structures for a bottom hole assembly | Wei Tang, Gordon Ray Whipple, Navish Makkar, Tommy Laird, Gail Nelson | 2013-03-19 |
| 8195438 | Method for designing cutting structure for roller cone drill bits | Amardeep Singh, Ying Xiang | 2012-06-05 |
| 8185365 | Radial force distributions in rock bits | Prabhakaran K. Centala, Mohammed Boudrare | 2012-05-22 |
| 8185366 | Methods for modeling, displaying, designing, and optimizing fixed cutter bits | Peter Thomas Cariveau | 2012-05-22 |
| 8112258 | PDC drill bit using optimized side rake angle | Bala Durairajan, Peter Thomas Cariveau | 2012-02-07 |
| 8096372 | Cutter geometry for increased bit life and bits incorporating the same | Yuelin Shen, Youhe Zhang, Peter Thomas Cariveau | 2012-01-17 |
| 8082134 | Techniques for modeling/simulating, designing optimizing, and displaying hybrid drill bits | — | 2011-12-20 |