PJ

Paul A. Johnson

Chevron: 16 patents #265 of 4,788Top 6%
LS Los Alamos National Security: 10 patents #27 of 757Top 4%
TS Triad National Security: 5 patents #35 of 533Top 7%
University of California: 1 patents #8,022 of 18,278Top 45%
UE US Dept of Energy: 1 patents #1,355 of 5,099Top 30%
Overall (All Time): #220,500 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11341410 Subsurface stress criticality associated with fluid injection and determined using machine learning Claudia L. Hulbert, Bertrand Rouet-Leduc 2022-05-24
11169288 Failure prediction and estimation of failure parameters Claudia L. Hulbert, Bertrand Rouet-Leduc 2021-11-09
11079505 Time-reversed nonlinear acoustics for downhole pressure measurements Timothy James Ulrich, II, Pierre-Yves Le Bas, Robert Guyer, Harvey Edwin Goodman, Marcel Remillieux 2021-08-03
11067711 Time-reversed nonlinear acoustic downhole pore pressure measurements Harvey Edwin Goodman, Timothy James Ulrich, II, Robert Guyer, Marcel Remillieux, Pierre-Yves Le Bas 2021-07-20
11029435 Downhole nonlinear acoustics measurements in rock formations using dynamic acoustic elasticity and time reversal Harvey Edwin Goodman, Timothy James Ulrich, II, Peter Roberts, Marcel Remillieux, Pierre-Yves Le Bas +1 more 2021-06-08
9453926 System and method for investigating sub-surface features of a rock formation using compressional acoustic sources Cung Vu, Christopher Skelt, Kurt Nihei, 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, Kurt Nihei, 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, Kurt Nihei, Robert Guyer, James A. Ten Cate, Pierre-Yves Le Bas +1 more 2015-12-29
9110179 Integrated system for investigating sub-surface features of a rock formation Cung Vu, Christopher Skelt, Kurt Nihei, Robert Guyer, James A. Ten Cate +2 more 2015-08-18
9110178 System and method for investigating sub-surface features of a rock formation with acoustic sources generating conical broadcast signals Cung Vu, Christopher Skelt, Kurt Nihei, 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, Kurt Nihei, 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, Kurt Nihei, 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, Kurt Nihei, Robert Guyer, James A. Ten Cate, Pierre-Yves Le Bas +1 more 2014-12-30
8576661 Device and method for imaging of non-linear and linear properties of formations surrounding a borehole James A. TenCate, Pierre-Yves Le Bas, Robert Guyer, Cung Vu, Christopher Skelt 2013-11-05
8553495 Device and method for imaging of non-linear and linear properties of formations surrounding a borehole James A. TenCate, Pierre-Yves Le Bas, Robert Guyer, Cung Vu, Christopher Skelt 2013-10-08
8345509 System and method to create three-dimensional images of non-linear acoustic properties in a region remote from a borehole Cung Vu, Kurt Nihei, Denis P. Schmitt, Christopher Skelt, 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, Kurt Nihei, Denis P. Schmitt, Christopher Skelt, Robert Guyer +2 more 2012-10-16
8116167 Method and system for generating a beam of acoustic energy from a borehole, and applications thereof James A. Ten Cate, Robert Guyer, Pierre-Yves Le Bas, Cung Vu, Kurt Nihei +2 more 2012-02-14
6330827 Resonant nonlinear ultrasound spectroscopy James A. TenCate, Robert Guyer, Koen Van Den Abeele 2001-12-18
5369997 Active doublet method for measuring small changes in physical properties Peter Roberts, Michael Fehler, W. Scott Phillips 1994-12-06