| 12492615 |
Energy harvester, method and system |
David L. Ewing, Jr., Andrew Duggan, Ronnie D. Russell, Kallol Chatterjee, Scott Christopher |
2025-12-09 |
|
| 12326050 |
Guide assembly, method and system |
Marc Samuelson, Shane Harris |
2025-06-10 |
|
| 11761280 |
Interlock for a downhole tool |
Gregory L. Hern |
2023-09-19 |
$79,844,000 |
| 11624246 |
Pass-through tapered nose tool |
Shane Harris, Kirby G. Schrader, Marc Samuelson, Scott Christopher, Daniel Ewing |
2023-04-11 |
$65,239,000 |
| 11560771 |
Wet connect pocket washout, method, and system |
— |
2023-01-24 |
$81,674,000 |
| 11555359 |
Pass-through tapered nose tool |
Shane Harris, Kirby G. Schrader, Marc Samuelson, Scott Christopher, Daniel Ewing |
2023-01-17 |
$80,661,000 |
| 11280162 |
Power generation using pressure differential between a tubular and a borehole annulus |
Andrew Duggan, Daniel Ewing |
2022-03-22 |
$43,604,000 |
| 11142999 |
Downhole power generation using pressure differential |
Andrew Duggan, Daniel Ewing |
2021-10-12 |
$19,933,000 |
| 10954732 |
Hydraulically set open hole whipstock |
Gregory L. Hern, James S. Trahan, Jason L. Cullum, Ewoud J. Hulsewe |
2021-03-23 |
$25,239,000 |
| 10822929 |
Electrohydraulic movement of downhole components and method |
Daniel Ewing, Carlos A. Prieto |
2020-11-03 |
$4,148,000 |
| 10801283 |
Magnetic pulse actuation arrangement for downhole tools and method |
Carlos A. Prieto, Daniel Ewing |
2020-10-13 |
$14,486,000 |
| 10760363 |
Lock ring segments biased into locked position while retained in position with an exterior profile |
Andy Tom, Frank J. Maenza, Mahmoud M. Marzouk, Jeffrey C. Williams |
2020-09-01 |
$7,331,000 |
| 10738542 |
Actuating force control for downhole tools |
Mark K. Adam, Mahmoud M. Marzouk |
2020-08-11 |
$9,642,000 |
| 10626705 |
Magnetic pulse actuation arrangement having layer and method |
Daniel Ewing, Carlos A. Prieto |
2020-04-21 |
|
| 10526856 |
Hydraulically set open hole whipstock |
Gregory L. Hern, James S. Trahan, Jason L. Cullum, Ewoud J. Hulsewe |
2020-01-07 |
$21,662,000 |
| 10202818 |
Expandable sealing assembly and downhole system |
Daniel Ewing, Guijun Deng |
2019-02-12 |
$14,785,000 |
| 10087702 |
Plug releaser and method of limiting pressure differential across plugs |
Daniel Ewing, Matthew J. Krueger |
2018-10-02 |
$7,068,000 |
| 10081997 |
Watermelon mill with replaceable cutting structure |
Gregory L. Hern |
2018-09-25 |
$10,685,000 |
| 9759027 |
Slip with altering load distribution feature |
Charles M. Meador, Matthew J. Krueger, Eric Halfmann |
2017-09-12 |
$16,343,000 |
| 9752418 |
Slip with altering load distribution feature |
Charles M. Meador, Matthew J. Krueger |
2017-09-05 |
$11,769,000 |
| 9719321 |
Subterranean tool for release of balls adjacent their intended destinations |
Daniel Ewing, Matthew J. Krueger, Jason P. Lacombe, Travis J. Ansohn, Steve M. Cortez +1 more |
2017-08-01 |
$6,099,000 |
| 9611722 |
Top down liner cementing, rotation and release method |
Matthew J. Kruger, Daniel Ewing, Travis J. Ansohn, Jason P. Lacombe, Jarandon J. Adams +2 more |
2017-04-04 |
$14,558,000 |
| 9464748 |
Tubular occlusion and pressure damping system and temporal pressure controlling arrangement |
Daniel Ewing, Matthew J. Krueger |
2016-10-11 |
$38,986,000 |
| 9453390 |
Subterranean tool for release of darts adjacent their intended destinations |
Daniel Ewing, Matthew J. Krueger, Jason P. Lacombe, Travis J. Ansohn, Steve M. Cortez +1 more |
2016-09-27 |
$36,827,000 |