Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10358905 | Ultrasonic logging methods and apparatus for measuring cement and casing properties using acoustic echoes | Edwin K. Roberts, Thomas J. Blankinship | 2019-07-23 |
| 10174604 | Ultrasonic cement and casing thickness evaluation | Edwin K. Roberts, Thomas J. Blankinship | 2019-01-08 |
| 9715025 | Normalization of sector amplitudes using monopole amplitudes | Thomas J. Blankinship, Peter J. Schoch, Gregory J. Caston | 2017-07-25 |
| 8824240 | Apparatus and method for measuring the acoustic impedance of wellbore fluids | Edwin K. Roberts | 2014-09-02 |
| 7885142 | Method and apparatus for logging foam cement in cased boreholes | Sarah D. Molder | 2011-02-08 |
| 7755972 | Borehole apparatus and methods for simultaneous multimode excitation and reception to determine elastic wave velocities, elastic modulii, degree of anisotropy and elastic symmetry configurations | Elan Yogeswaren, Thomas J. Blankinship | 2010-07-13 |
| 7755973 | Ultrasonic logging methods and apparatus for automatically calibrating measures of acoustic impedance of cement and other materials behind casing | — | 2010-07-13 |
| 7646674 | Borehole apparatus and methods for simultaneous multimode excitation and reception to determine elastic wave velocities, elastic modulii, degree of anisotropy and elastic symmetry configurations | Elan Yogeswaren, Thomas J. Blankinship | 2010-01-12 |
| 7529150 | Borehole apparatus and methods for simultaneous multimode excitation and reception to determine elastic wave velocities, elastic modulii, degree of anisotropy and elastic symmetry configurations | Elan Yogeswaren, Thomas J. Blankinship | 2009-05-05 |
| 7471591 | Method and apparatus for azimuthal logging of shear waves in boreholes using optionally rotatable transmitter and receiver assemblies | Thomas J. Blankinship, Edwin K. Roberts, Marek Z. Kozak | 2008-12-30 |
| 7252143 | Method and apparatus for anchoring tool in borehole conduit | Freddie L. Sellers, Stanley R. Thomas | 2007-08-07 |
| 6538958 | Method and apparatus for acoustics logging of fluid density and wet cement plugs in boreholes | Thomas J. Blankinship, Edwin K. Roberts | 2003-03-25 |
| 6189383 | Method and apparatus for acoustic logging of fluid density and wet cement plugs in boreholes | Thomas J. Blankinship, Edwin K. Roberts | 2001-02-20 |
| 6050141 | Method and apparatus for acoustic logging of fluid density and wet cement plugs in boreholes | Thomas J. Blankinship, Edwin K. Roberts | 2000-04-18 |
| 5907131 | Method and system for cement bond evaluation high acoustic velocity formations | — | 1999-05-25 |
| 5631413 | Fluid holdup tool and flow meter for deviated wells | Allen R. Young, Thomas J. Blankinship | 1997-05-20 |
| 5377160 | Transmitter and receiver to radially scan the cementing conditions in cased wells | Thomas J. Blankinship, Gerald T. Alford | 1994-12-27 |