Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11905816 | Casing thickness estimation by frequency correlation | Nazareth Bedrossian | 2024-02-20 |
| 10884159 | Logging with joint ultrasound and X-ray technologies | Weijun Guo, Sriram Srinivasan | 2021-01-05 |
| 10301932 | Ultrasonic casing and cement evaluation method using a ray tracing model | Tianrun Chen, Yibing Zheng, Tatiana Gilstrap, Arthur Cheng, Robert Eric Epstein | 2019-05-28 |
| 10222501 | Televiewer image wood-grain reduction techniques | Douglas J. Patterson, Roger R. Steinsiek, Wei Han | 2019-03-05 |
| 10209398 | Drilling fluid property determination | Weijun Guo, Sriram Srinivasan | 2019-02-19 |
| 10012762 | Standoff determination | Weijun Guo, Dongwon Lee | 2018-07-03 |
| 9322807 | Ultrasonic signal time-frequency decomposition for borehole evaluation or pipeline inspection | Yinghui Lu, Arthur Cheng, Tatiana Gilstrap, Rob Epstein | 2016-04-26 |