Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11655707 | Systems and methods to utilize sensors to provide spatial resolution in downhole leak detection | Yi Yang Ang, Nam Nguyen, Joni Polili Lie | 2023-05-23 |
| 11578588 | Frequency weighting in broadband acoustic beamforming | Nam Nguyen, Yi Yang Ang, Rebecca Corina Jachmann, Srinivasan Jagannanthan, Avinash Vinayak Taware | 2023-02-14 |
| 11560788 | System and method for estimation and prediction of production rate of a well via geometric mapping of a perforation zone using a three-dimensional acoustic array | Darren Philip Walters, Freeman L. Hill, Avinash Vinayak Taware, Srinivasan Jagannathan | 2023-01-24 |
| 11402532 | Leak localization using acoustic-signal correlations | Yi Yang Ang, Avinash Vinayak Taware, Srinivasan Jagannanthan, Nam Nguyen | 2022-08-02 |
| 11208884 | Acoustic array signal processing for flow detection | Avinash Vinayak Taware, Paris Smaragdis, Nam Nguyen, David Alan Welsh, Clifford Lloyd Macklin +1 more | 2021-12-28 |
| 11053790 | Acoustic downhole leak classification and quantification | Paris Smaragdis, Avinash Vinayak Taware, Daniel Viassolo, Clifford Lloyd Macklin | 2021-07-06 |
| 10900349 | Estimation of flow rates using acoustics in a subterranean borehole and/or formation | Muralidhar Seshadri, Jonathan Freund, Srinivasan Jagannathan | 2021-01-26 |
| 10760410 | Stitching methods to enhance beamforming results | Nam Nguyen, Yi Yang Ang, Avinash Vinayak Taware, Paris Smaragdis, David Alan Welsh +1 more | 2020-09-01 |
| 10598563 | Downhole acoustic source localization | Chung Chang, Mark Vincent Collins, Srinivasan Jagannathan, Yibing Zheng, Avinash Vinayak Taware | 2020-03-24 |
| 10502854 | Real-time adaptive minimum phase wavelet generation for downhole tools | Batakrishna Mandal | 2019-12-10 |
| 10401521 | Control of acoustic transmitters for downhole measurement or logging | Daniel Viassolo | 2019-09-03 |
| 10392925 | Systems and methods to utilize a sensor to provide spatial resolution in downhole leak detection | Yi Yang Ang, Nam Nguyen, Joni Polili Lie, Avinash Vinayak Taware | 2019-08-27 |
| 10365389 | MEMS-based transducers on a downhole tool | Tatiana Gilstrap, John Philip Granville, Yibing Zheng, David Alan Welsh | 2019-07-30 |
| 10359525 | Methods to image acoustic sources in wellbores | Srinivasan Jagannathan, Rebecca Corina Jachmann, Nam Nguyen, Yi Yang Ang | 2019-07-23 |
| 10152353 | Account activity level based-system resource allocating method and device | Jinxin Zhao, Kezun Liang, Wei Wang, Shunhua Zhang, Liqiang Hu +4 more | 2018-12-11 |
| 9845012 | System and method for predicting mechanical failure of a motor | Ajith Kuttannair Kumar | 2017-12-19 |
| 9557300 | Wireline cable fatigue monitoring using thermally-induced acoustic waves | Hua Xia, Lizheng Zhang, John L. Maida | 2017-01-31 |
| 9557212 | Determining effective elastic modulus of a composite slickline cable | Hua Xia, Sean Gregory Thomas | 2017-01-31 |
| 9322807 | Ultrasonic signal time-frequency decomposition for borehole evaluation or pipeline inspection | Arthur Cheng, Zhijuan Zhang, Tatiana Gilstrap, Rob Epstein | 2016-04-26 |
| 8590947 | Lock device for sliding door | Chao Qi, Zhongying Dou, Lihua Lu, Xinhua Gao | 2013-11-26 |