Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8965059 | Efficient computation of wave equation migration angle gathers | Thomas A. Dickens | 2015-02-24 |
| 8731838 | Fresnel zone fat ray tomography | Hongchuan Sun | 2014-05-20 |
| 8705317 | Method for imaging of targeted reflectors | Richard T. Houck | 2014-04-22 |
| 8289809 | Common reflection azimuth migration | — | 2012-10-16 |
| 7095678 | Method for seismic imaging in geologically complex formations | Thomas Edward Clee | 2006-08-22 |
| 6691075 | Method for modeling seismic acquisition footprints | William A. Schneider | 2004-02-10 |
| 6446007 | Method for controlled-amplitude prestack time migration of seismic data | Christopher J. Finn | 2002-09-03 |
| 6343256 | Illumination corrections to reduce geometrical artifacts in seismic data | James R. Alldridge, Leslie A. Wahrmund | 2002-01-29 |
| 5418335 | Synchronized acoustic source | — | 1995-05-23 |
| 5371330 | Synchronized acoustic source | — | 1994-12-06 |
| 5361837 | Method for preventing annular fluid flow using tube waves | — | 1994-11-08 |
| H1308 | Narrow band acoustic source | Sen-Tsuen Chen | 1994-05-03 |
| 5268537 | Broadband resonant wave downhole seismic source | Jacob E. Stone | 1993-12-07 |
| 5239514 | Narrow band magnetostrictive acoustic source | Sen-Tsuen Chen | 1993-08-24 |
| 5027331 | Acoustic quadrupole shear wave logging device | Sen-Tsuen Chen, James A. Rice | 1991-06-25 |
| 4993001 | Method and apparatus for converting tube waves to body waves for seismic exploration | Mark S. Ramsey, J. David Fox | 1991-02-12 |
| 4932003 | Acoustic quadrupole shear wave logging device | Sen-Tsuen Chen, James A. Rice | 1990-06-05 |
| 4855963 | Shear wave logging using acoustic multipole devices | Sen-Tsuen Chen, James A. Rice | 1989-08-08 |
| 4832148 | Method and system for measuring azimuthal anisotropy effects using acoustic multipole transducers | David F. Becker, Sen-Tsuen Chen, Azik I. Perelberg | 1989-05-23 |
| 4774693 | Shear wave logging using guided waves | Sen-Tsuen Chen, James A. Rice | 1988-09-27 |
| 4649526 | Method and apparatus for multipole acoustic wave borehole logging | Lawrence J. Baker | 1987-03-10 |
| 4606014 | Acoustic dipole shear wave logging device | Sen-Tsuen Chen | 1986-08-12 |