Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10386516 | Time-lapse 4D scattering for imaging hydraulically induced fractures | Baishali Roy, Michael Davidson, Ali Tura | 2019-08-20 |
| 10324212 | Prediction ahead of bit using vertical seismic profile data and global inversion | Amit Padhi | 2019-06-18 |
| 10310118 | Shear wave source for VSP and surface seismic exploration | — | 2019-06-04 |
| 10281606 | Creating 3C distributed acoustic sensing data | Cemal Erdemir, Amit Padhi | 2019-05-07 |
| 10180515 | Trace downsampling of distributed acoustic sensor data | Andreas Ellmauthaler, Victor K. Leung, Xiang Wu | 2019-01-15 |
| 9804281 | Migration velocity analysis method for VSP data | Yue Du | 2017-10-31 |
| 9797243 | Geophysical prospecting by processing vertical seismic profiles using downward continuation | Yue Du | 2017-10-24 |
| 9702244 | Distributed acoustic sensing gauge length effect mitigation | Amit Padhi, David Andrew Barfoot | 2017-07-11 |
| 9606254 | Determining cement impedance from a formation boundary | Arthur Cheng, Tatiana Gilstrap, Robert Eric Epstein | 2017-03-28 |
| 8982671 | Seismic energy sources and methods of use | Erkan Ay, Norm Warpinski, Tianrun Chen | 2015-03-17 |
| 4887244 | Method for seismic trace interpolation using a forward and backward application of wave equation datuming | Rambabu P. Ranganayaki, Thomas E. Shirley, Stan Lee | 1989-12-12 |
| 4683557 | Acoustic logging method for identifying subsurface formation boundaries | — | 1987-07-28 |
| 4683556 | Method for identifying arrival times of waveforms on acoustic borehole well logs | — | 1987-07-28 |