| 12435575 |
Downhole tools having radially extendable elements |
Steven G. Villareal, Michael G. Azar, Scott Richard Woolston |
2025-10-07 |
|
| 12152680 |
Needle tip and seat for a choke valve |
Scott Allan Miller, III, Ghulam A. Barkatally, Jerry A. Martino, Declan Elliott, Edmund Peter McHugh +2 more |
2024-11-26 |
|
| 12018556 |
Systems and methods of controlling downhole behavior |
Manoj D. Mahajan, Scott Richard Woolston, Huntington Tracy Hall |
2024-06-25 |
$45,425,000 |
| 11795763 |
Downhole tools having radially extendable elements |
Steven G. Villareal, Michael G. Azar, Scott Richard Woolston |
2023-10-24 |
$31,509,000 |
| 11795781 |
Actuation valve system with pilot and main valves |
Edward George Parkin, Michael Pearce, Julien Steimetz, D. Peter Johnson, Clint William Philbrick |
2023-10-24 |
$31,509,000 |
| 11796068 |
Needle tip and seat for a choke valve |
Scott Allan Miller, III, Ghulam A. Barkatally, Jerry A. Martino, Declan Elliott, Edmund Peter McHugh +2 more |
2023-10-24 |
|
| 11788359 |
Downhole steering system and methods |
Edward George Parkin, Geoffrey C. Downton, David C. Hoyle, Nalin Weerasinghe, Dennis Patrick Chesnutt |
2023-10-17 |
$61,031,000 |
| 11767723 |
Downhole transducer assemblies and pressure range control therein |
Edward George Parkin, Scott Richard Woolston, David C. Hoyle, Jim Shumway |
2023-09-26 |
$67,327,000 |
| 11639648 |
Downhole turbine assembly |
David R. Hall, Jordan D. Englund |
2023-05-02 |
$166,070,000 |
| 11608719 |
Controlling fluid flow through a valve |
David R. Hall, David C. Hoyle, Malcolm R. Taylor, Jordan D. Englund |
2023-03-21 |
$223,007,000 |
| 11549593 |
Needle tip and seat for a choke valve |
Scott Allan Miller, III, Ghulam A. Barkatally, Jerry A. Martino, Declan Elliott, Edmund Peter McHugh +2 more |
2023-01-10 |
|
| 11542805 |
Marking and sensing a borehole wall |
David C. Hoyle, Scott Richard Woolston |
2023-01-03 |
$122,818,000 |
| 11479981 |
Systems for releasably securing a platform |
David R. Hall, Benjamin Jensen |
2022-10-25 |
|
| RE48979 |
Downhole tool piston assembly |
David R. Hall |
2022-03-22 |
|
| 11255143 |
Pressure range control in a downhole transducer assembly |
Edward George Parkin, David C. Hoyle, Scott Richard Woolston, Jim Shumway |
2022-02-22 |
$120,762,000 |
| 11220865 |
Downhole drilling apparatus with rotatable cutting element |
David R. Hall, Malcolm R. Taylor |
2022-01-11 |
$65,754,000 |
| 11125020 |
Downhole drilling apparatus with drilling, steering, and reaming functions and methods of use |
Geoffrey C. Downton |
2021-09-21 |
$48,287,000 |
| 11118408 |
Downhole steering system and methods |
Edward George Parkin, Geoffrey C. Downton, David C. Hoyle, Nalin Weerasinghe, Dennis Patrick Chestnutt |
2021-09-14 |
$55,347,000 |
| 11053961 |
Piston control via adjustable rod |
— |
2021-07-06 |
$80,558,000 |
| 11028685 |
Downhole rate of penetration measurement |
Malcolm R. Taylor, Scott Richard Woolston, David C. Hoyle |
2021-06-08 |
$62,371,000 |
| 10947814 |
Pilot controlled actuation valve system |
Edward George Parkin, Michael Pearce, Julien Steimetz, D. Peter Johnson, Clint William Philbrick |
2021-03-16 |
$134,299,000 |
| 10947787 |
Underreamer for increasing a wellbore diameter |
Nathan E. Fuller, Jordan D. Englund, Jacques Orban, R. Craig Boswell |
2021-03-16 |
|
| 10927647 |
Systems and methods for directing fluid flow |
David R. Hall, David C. Hoyle, Malcolm R. Taylor, Jordan D. Englund |
2021-02-23 |
$117,569,000 |
| 10920412 |
Modular building unit and system |
David R. Hall, Benjamin Jensen |
2021-02-16 |
|
| 10907448 |
Downhole turbine assembly |
David R. Hall, Jordan D. Englund |
2021-02-02 |
|
