| 9453926 |
System and method for investigating sub-surface features of a rock formation using compressional acoustic sources |
Cung Vu, Christopher Skelt, Paul A. Johnson, Robert Guyer, James A. Ten Cate +2 more |
2016-09-27 |
| 9360573 |
System and method for generating 3D images of non-linear properties of rock formation using surface seismic or surface to borehole seismic or both |
Cung Vu, Paul A. Johnson, Robert Guyer, James A. Ten Cate, Pierre-Yves Le Bas +1 more |
2016-06-07 |
| 9223039 |
System and method for generating micro-seismic events and characterizing properties of a medium with non-linear acoustic interactions |
Cung Vu, Paul A. Johnson, Robert Guyer, James A. Ten Cate, Pierre-Yves Le Bas +1 more |
2015-12-29 |
| 9110178 |
System and method for investigating sub-surface features of a rock formation with acoustic sources generating conical broadcast signals |
Cung Vu, Christopher Skelt, Paul A. Johnson, Robert Guyer, James A. Ten Cate +2 more |
2015-08-18 |
| 9110179 |
Integrated system for investigating sub-surface features of a rock formation |
Cung Vu, Christopher Skelt, Paul A. Johnson, Robert Guyer, James A. Ten Cate +2 more |
2015-08-18 |
| 9046620 |
System and method for investigating sub-surface features and 3D imaging of non-linear property, compressional velocity VP, shear velocity VS and velocity ratio VP/VS of a rock formation |
Cung Vu, Christopher Skelt, Paul A. Johnson, Robert Guyer, James A. Ten Cate +2 more |
2015-06-02 |
| 8942063 |
Data acquisition and processing system and method for investigating sub-surface features of a rock formation |
Cung Vu, Paul A. Johnson, Robert Guyer, James A. Ten Cate, Pierre-Yves Le Bas +1 more |
2015-01-27 |
| 8923092 |
System and method for investigating sub-surface features of a rock formation with acoustic sources generating coded signals |
Cung Vu, Paul A. Johnson, Robert Guyer, James A. Ten Cate, Pierre-Yves Le Bas +1 more |
2014-12-30 |
| 8559269 |
Device and method for generating a beam of acoustic energy from a borehole, and applications thereof |
Cung Vu, Dipen N. Sinha, Cristian Pantea, Denis P. Schmitt, Chirstopher Skelt |
2013-10-15 |
| 8547790 |
Device and method for generating a beam of acoustic energy from a borehole, and applications thereof |
Cung Vu, Dipen N. Sinha, Cristian Pantea, Denis P. Schmitt, Christopher Skelt |
2013-10-01 |
| 8547791 |
Device and method for generating a beam of acoustic energy from a borehole, and applications thereof |
Cung Vu, Dipen N. Sinha, Cristian Pantea, Denis P. Schmitt, Christopher Skelt |
2013-10-01 |
| 8345509 |
System and method to create three-dimensional images of non-linear acoustic properties in a region remote from a borehole |
Cung Vu, Denis P. Schmitt, Christopher Skelt, Paul A. Johnson, Robert Guyer +2 more |
2013-01-01 |
| 8289808 |
System and method to estimate compressional to shear velocity (VP/VS) ratio in a region remote from a borehole |
Cung Vu, Denis P. Schmitt, Christopher Skelt, Paul A. Johnson, Robert Guyer +2 more |
2012-10-16 |
| 8259530 |
System for generating a beam of acoustic energy from a borehole, and applications thereof |
Cung Vu, Dipen N. Sinha, Cristian Pantea, Denis P. Schmitt, Christopher Skelt |
2012-09-04 |
| 8233349 |
System for generating a beam of acoustic energy from a borehole, and applications thereof |
Cung Vu, Dipen N. Sinha, Cristian Pantea, Denis P. Schmitt, Christopher Skelt |
2012-07-31 |
| 8116167 |
Method and system for generating a beam of acoustic energy from a borehole, and applications thereof |
Paul A. Johnson, James A. Ten Cate, Robert Guyer, Pierre-Yves Le Bas, Cung Vu +2 more |
2012-02-14 |
| 7839718 |
Device and method for generating a beam of acoustic energy from a borehole, and applications thereof |
Cung Vu, Dipen N. Sinha, Cristian Pantea, Denis P. Schmitt, Christopher Skelt |
2010-11-23 |
| 6108606 |
Waveguide disturbance detection method |
Valeri A. Korneev, Larry R. Myer |
2000-08-22 |
