| Patent | Date |
|---|
Milling and whipstock assembly with flow diversion component
Grant 11,142,996 - Ali , et al. October 12, 2 | 2021-10-12 |
Bypass valve
Grant 10,822,896 - Duphorne , et al. November 3, 2 | 2020-11-03 |
Milling And Whipstock Assembly With Flow Diversion Component
App 20200291748 - Ali; Mohsen Alieldin ; et al. | 2020-09-17 |
Method for withstanding high collapse loads from differential pressure in a limited cross-section
Grant 10,612,364 - Hered | 2020-04-07 |
Valve arrangement, system and method
Grant 10,502,023 - Hered Dec | 2019-12-10 |
Apparatus and method for utilizing reflected waves in a fluid to induce vibrations downhole
Grant 10,385,639 - Hered A | 2019-08-20 |
Repeatedly pressure operated ported sub with multiple ball catcher
Grant 10,309,196 - Hered | 2019-06-04 |
Method for Withstanding High Collapse Loads from Differential Pressure in a Limited Cross-Section
App 20190153851 - Hered; William A. | 2019-05-23 |
Milling Bypass Valve
App 20190136653 - Hern; Gregory L. ; et al. | 2019-05-09 |
Valve Arrangement, System And Method
App 20190112894 - Hered; William A. | 2019-04-18 |
Lock to ball seat for non-metallic ball
Grant 10,233,717 - Hered , et al. | 2019-03-19 |
Apparatus And Methods For Operating Devices In Wellbores Using Signal Transmitters In A Drop Device
App 20180149018 - Hered; William A. ; et al. | 2018-05-31 |
Variable Circulation Rate Sub for Delivering a Predetermined Straight through Flow
App 20180119517 - Hered; William A. ; et al. | 2018-05-03 |
Lock to Ball Seat for Non-metallic Ball
App 20180119509 - Hered; William A. ; et al. | 2018-05-03 |
Casing spear with mechanical locking feature
Grant 9,932,781 - Hered April 3, 2 | 2018-04-03 |
Heave Compensator for Constant Force Application to a Borehole Tool
App 20170321495 - Hered; William A. ; et al. | 2017-11-09 |
Hydraulic Whipstock Anchor
App 20170306711 - Hern; Gregory L. ; et al. | 2017-10-26 |
Apparatus And Method For Utilizing Reflected Waves In A Fluid To Induce Vibrations Downhole
App 20170145769 - Hered; William A. | 2017-05-25 |
Spring tool and method of use for installing a spring on a part
Grant 9,321,160 - Hered April 26, 2 | 2016-04-26 |
Casing Spear with Mechanical Locking Feature
App 20150300112 - Hered; William A. | 2015-10-22 |
Spring Tool and Method of Use for Installing a Spring on a Part
App 20150158159 - HERED; WILLIAM A. | 2015-06-11 |
Resettable lock for a subterranean tool
Grant 8,985,230 - Crow , et al. March 24, 2 | 2015-03-24 |
Reinforced shear components and methods of using same
Grant 8,967,279 - Hered , et al. March 3, 2 | 2015-03-03 |
Multi-position mechanical spear for multiple tension cuts with releasable locking feature
Grant 8,893,791 - Crow , et al. November 25, 2 | 2014-11-25 |
Damping assembly for downhole tool deployment and method thereof
Grant 8,826,993 - Guidry , et al. September 9, 2 | 2014-09-09 |
Reinforced Shear Components And Methods Of Using Same
App 20140190707 - Hered; William A. ; et al. | 2014-07-10 |
Resettable Lock for a Subterranean Tool
App 20130048273 - Crow; Stephen L. ; et al. | 2013-02-28 |
Multi-position Mechanical Spear for Multiple Tension Cuts with Releasable Locking Feature
App 20130048268 - Crow; Stephen L. ; et al. | 2013-02-28 |
Damping Assembly For Downhole Tool Deployment And Method Thereof
App 20130020093 - Guidry; Christopher W. ; et al. | 2013-01-24 |
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