| 11242723 |
Frac ball dispenser |
Jaime Pedraza, Vanessa M. Reyes, Kevin Zanca, George Innes, III |
2022-02-08 |
| 10253576 |
Downhole tool impact dissipating tool |
Alan J. Sallwasser, Jaime Pedraza, Akio Kita |
2019-04-09 |
| 9739102 |
Downhole tool impact dissipating tool |
Alan J. Sallwasser, Jaime Pedraza, Akio Kita |
2017-08-22 |
| 9598954 |
Dual-mode casing collar locator (CCL) tool, mode selection circuit and method |
Dalong Zhang, George Innes, III |
2017-03-21 |
| 9567812 |
Downhole tool impact dissipating tool |
Alan J. Sallwasser, Jaime Pedraza, Akio Kita |
2017-02-14 |
| 9010427 |
Smart Drop-off tool and hang-off tool for a logging string |
Jonathan Macrae, James G. Aivalis, Peter M. Wells, Jr., Robert Crispin Porter |
2015-04-21 |
| 8844618 |
Smart drop-off tool and hang-off tool for a logging string |
Jonathan Macrae, James G. Aivalis, Peter M. Wells, Jr., Robert Crispin Porter |
2014-09-30 |
| 8813876 |
Downhole tool impact dissipating tool |
Alan J. Sallwasser, Jaime Pedraza, Akio Kita |
2014-08-26 |
| 8607876 |
Flapper valve |
Jonathan Macrae, Jaime Pedraza, Mark Schiel, Robert Crispin Porter |
2013-12-17 |
| 8443915 |
Through drillstring logging systems and methods |
Bruce H. Storm, Jr., James G. Aivalis, Peter M. Wells, Jr., Akio Kita, Eric T. Johnson +1 more |
2013-05-21 |
| 7812608 |
Extra bucking coils to balance induction arrays |
Andrei I. Davydychev, John F. Hunka, Thomas D. Barber, Scott S. Chesser, Jingjing Karen Sun +2 more |
2010-10-12 |
| 7679366 |
Selectable tap induction coil |
Scott S. Chesser, Richard D. Ward, Andrei I. Davydychev, William B. Vandermeer, John F. Hunka |
2010-03-16 |
| 7671597 |
Composite encased tool for subsurface measurements |
Scott S. Chesser, Jingjing (Karen) Sun, Denis Lebreton, Richard D. Ward, Andrei I. Davydychev +2 more |
2010-03-02 |
| 7501829 |
Extra bucking coils as an alternative way to balance induction arrays |
Andrei I. Davydychev, John F. Hunka, Thomas D. Barber, Scott S. Chesser, Jingjing (Karen) Sun +2 more |
2009-03-10 |
| 7417436 |
Selectable tap induction coil |
Scott S. Chesser, Richard D. Ward, Andrei I. Davydychev, William B. Vandermeer, John F. Hunka |
2008-08-26 |
