| 9322267 |
Downhole sampling of compressible fluids |
Julian Pop |
2016-04-26 |
| 9091150 |
Downhole formation tester apparatus and methods |
Simon Ross |
2015-07-28 |
| 8681582 |
Method for sonic indication of formation porosity and lithology |
Peter Wu, Alain Dumont |
2014-03-25 |
| 8619501 |
Ultrasonic measurements performed on rock cores |
Fernando Garcia-Osuna |
2013-12-31 |
| 8564315 |
Downhole corrosion monitoring |
Patrick Fisseler, Anthony R. H. Goodwin, John W. Still |
2013-10-22 |
| 8553493 |
Method for permeable zone detection |
Peter Wu, Alain Dumont, David Johnson |
2013-10-08 |
| 8547789 |
Method for gas zone detection using sonic wave attributes |
Peter Wu, Alain Dumont, David Johnson |
2013-10-01 |
| 8471560 |
Measurements in non-invaded formations |
Robert Freedman, Douglas W. Grant, Henry N. Bachman |
2013-06-25 |
| 8448703 |
Downhole formation tester apparatus and methods |
Simon Ross |
2013-05-28 |
| 8393874 |
Hybrid pumping system for a downhole tool |
Alexander F. Zazovsky, Mark Milkovisch |
2013-03-12 |
| 8238194 |
Methods and systems for compressing sonic log data |
Peter Wu, Shu-Kong Chang, James Thompson, Anshuman Sinha |
2012-08-07 |
| 7639563 |
Method for sonic indication of voids in casing cement |
Peter Wu, Alain Dumont |
2009-12-29 |
| 6643221 |
Structures and methods for damping tool waves particularly for acoustic logging tools |
Chaur-Jian Hsu, Jahir Pabon, Richard D. Joyce, Ralph M. D'Angelo, Jeffrey B. Aron +4 more |
2003-11-04 |