Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6477112 | Method for enhancing resolution of earth formation elastic-wave velocities by isolating a wave event and matching it for all receiver combinations on an acoustic-array logging tool | Tianrun Zhang | 2002-11-05 |
| 6098021 | Estimating formation stress using borehole monopole and cross-dipole acoustic measurements: theory and method | Ningya Cheng, Arthur Cheng | 2000-08-01 |
| 5870690 | Joint inversion processing method for resistivity and acoustic well log data | Michael Frenkel, Alberto Mezzatesta, Kurt M. Strack, Keeva Vozoff | 1999-02-09 |
| 5841280 | Apparatus and method for combined acoustic and seismoelectric logging measurements | Gang Yu, Kurt M. Strack, Arthur Cheng | 1998-11-24 |
| 5784333 | Method for estimating permeability of earth formations by processing stoneley waves from an acoustic wellbore logging instrument | Stephan Gelinsky, Raghu K. Chunduru, Arthur Cheng | 1998-07-21 |
| 5740124 | Method for determining acoustic velocity of earth formations by simulating receiver waveforms for an acoustic array well logging instrument | Raghu K. Chunduru | 1998-04-14 |
| 5712829 | Method for determining earth formation shear wave anisotropy parameters by inversion processing of signals from a multiple-component dipole array acoustic well logging instrument | Raghu K. Chunduru | 1998-01-27 |
| 5654938 | Method for identifying alteration of earth formations using dipole acoustic logging | — | 1997-08-05 |
| 5616840 | Method for estimating the hydraulic conductivity of a borehole sidewall fracture | — | 1997-04-01 |
| 5541890 | Method for predictive signal processing for wireline acoustic array logging tools | — | 1996-07-30 |