Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11015393 | Valve mechanism for rotary steerable tool and methods of use | Brian Mohon | 2021-05-25 |
| 10712466 | Casing thickness measurement using acoustic wave correlation | Tianrun Chen, Yibing Zheng, Tatiana Gilstrap, Arthur Cheng | 2020-07-14 |
| 10301932 | Ultrasonic casing and cement evaluation method using a ray tracing model | Tianrun Chen, Yibing Zheng, Tatiana Gilstrap, Arthur Cheng, Zhijuan Zhang | 2019-05-28 |
| 10241086 | Validation of cased-hole acoustic tools | Walmy Cuello Jimenez, Xueyu Pang, Paul Joseph Jones, Zachary Edward Gordon, Batakrishna Mandal +1 more | 2019-03-26 |
| 10012036 | Downhole electronic assemblies | George David Goodman, J. Michael Wittig | 2018-07-03 |
| 9606254 | Determining cement impedance from a formation boundary | Arthur Cheng, Mark Elliott Willis, Tatiana Gilstrap | 2017-03-28 |
| 9201159 | Nuclear magnetic resonance logging tool having an array of antennas | Marian Morys, Knizhnik Sergei, Rebecca Corina Jachmann | 2015-12-01 |
| 7347267 | Method and apparatus for cooling flasked instrument assemblies | Marian Morys, Scott Pfeiffer Murta | 2008-03-25 |