Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9664016 | Acoustic artificial lift system for gas production well deliquification | Dennis John Harris, Laurence T. Wisniewski, Abbas Arian, Randall B. Jones | 2017-05-30 |
| 7535795 | Seismic data acquisition system and method for downhole use | Laurence T. Wisniewski, Abbas Arian | 2009-05-19 |
| 7392135 | Adaptive equalization of downhole acoustic receivers | Joakim Blanch, Arthur Cheng, Calvin Kessler, Denis P. Schmitt, Batakrishna Mandal | 2008-06-24 |
| 7116182 | Method and system for downhole clock having compensation | Gary D. Althoff, Laurence T. Wisniewski, Denis P. Schmitt, Abbas Arian, James H. Dudley | 2006-10-03 |
| 6943709 | Self-adaptable data compression technique | Joakim Blanch, Sven G. Holmquist, Jennifer Market | 2005-09-13 |
| 6899197 | Method and apparatus for absorbing acoustic energy | Abbas Arian, Laurence T. Wisniewski, Gary L. Fickert | 2005-05-31 |
| 6842400 | Acoustic logging apparatus and method | Joakim Blanch | 2005-01-11 |
| 6791899 | Acoustic logging apparatus and method for anisotropic earth formations | Joakim Blanch | 2004-09-14 |
| 6772067 | Acoustic logging apparatus and method for anisotropic earth formations | Joakim Blanch | 2004-08-03 |
| 6766252 | High resolution dispersion estimation in acoustic well logging | Joakim Blanch | 2004-07-20 |
| 6691036 | Processing for sonic waveforms | Joakim Blanch, Sven G. Holmquist, Jennifer Market | 2004-02-10 |
| 6661737 | Acoustic logging tool having programmable source waveforms | Laurence T. Wisniewski, Batakrishna Mandal | 2003-12-09 |
| 6564899 | Method and apparatus for absorbing acoustic energy | Abbas Arian, Laurence T. Wisniewski, Gary L. Fickert | 2003-05-20 |
| 6552962 | Method and apparatus for acoustic logging | Laurence T. Wisniewski, Abbas Arian | 2003-04-22 |
| 6453240 | Processing for sonic waveforms | Joakim Blanch, Sven G. Holmquist, Jennifer Market | 2002-09-17 |
| 6366531 | Method and apparatus for acoustic logging | Laurence T. Wisniewski, Abbas Arian | 2002-04-02 |
| 6213250 | Transducer for acoustic logging | Laurence T. Wisniewski, Abbas Arian | 2001-04-10 |
| 6065219 | Method and apparatus for determining the shape of an earth borehole and the motion of a tool within the borehole | Carey R. Murphey, Laurence T. Wisniewski, Chen-Kang Chen | 2000-05-23 |
| 6038513 | Method and apparatus for quick determination of the ellipticity of an earth borehole | Laurence T. Wisniewski, Carey R. Murphey | 2000-03-14 |
| 5987385 | Method and apparatus for creating an image of an earth borehole or a well casing | Abbas Arian, Laurence T. Wisniewski | 1999-11-16 |
| 5355675 | Stabilized speed-control system for a hydrostatic transmission | Joel M. Mayhugh | 1994-10-18 |