DH

Don M. Hannegan

WE Weatherford/Lamb: 21 patents #22 of 852Top 3%
WH Weatherford Technology Holdings: 15 patents #26 of 753Top 4%
PS Pruitt Tool & Supply: 2 patents #7 of 11Top 65%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
WU Weatherford Holding U.S.: 1 patents #17 of 45Top 40%
📍 Barling, AR: #1 of 179 inventorsTop 1%
🗺 Arkansas: #40 of 5,804 inventorsTop 1%
Overall (All Time): #78,771 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 1–25 of 40 patents

Patent #TitleCo-InventorsDate
11976523 System and method for monitoring and maintaining hydrostatic pressure during tripping operations, stripping operations, and axial pipe operations Jason Finley, Tom Stites, Benjamin Micah Spahn 2024-05-07
11454073 System and method for monitoring and maintaining hydrostatic pressure during tripping operations, stripping operations, and axial pipe operations Jason Finley, Tom Stites, Benjamin Micah Spahn 2022-09-27
11193340 Heave compensation system for assembling a drill string Ram K. Bansal, Lev Ring 2021-12-07
10774599 Heave compensation system for assembling a drill string Ram K. Bansal, Lev Ring 2020-09-15
10267117 Radial seal pressure reduction using internal pump Thomas F. Bailey, James W. Chambers, Lev Ring 2019-04-23
10227836 System and method for managed pressure wellbore strengthening Mojtaba Karimi, Mojtaba Pordel Shahri, Ovunc Mutlu 2019-03-12
10087701 Low profile rotating control device Thomas F. Bailey, James W. Chambers, David R. Woodruff 2018-10-02
10053943 Annular sealing for use with a well James W. Chambers, Melvin T. Jacobs 2018-08-21
9951600 Managed pressure cementing Cesar Pena, David Pavel, Michael Brian Grayson, Said Boutalbi, Todd Douglas Cooper +2 more 2018-04-24
9845653 Fluid supply to sealed tubulars Thomas F. Bailey, Melvin T. Jacobs, Nicky A. White 2017-12-19
9822630 Marine diverter system with real time kick or loss detection Lev Ring 2017-11-21
9784073 Rotating control device docking station Thomas F. Bailey, James W. Chambers, Danny W. Wagoner 2017-10-10
9631442 Heave compensation system for assembling a drill string Ram K. Bansal, Lev Ring 2017-04-25
9416620 Cement pulsation for subsea wellbore 2016-08-16
9334711 System and method for cooling a rotating control device Thomas F. Bailey, Melvin T. Jacobs, Nicky A. White 2016-05-10
9260927 System and method for managing heave pressure from a floating rig Thomas F. Bailey, Simon J. Harrall 2016-02-16
9249646 Managed pressure cementing Cesar Pena, David Pavel, Michael Brian Grayson, Said Boutalbi, Todd Douglas Cooper +2 more 2016-02-02
9175542 Lubricating seal for use with a tubular Thomas F. Bailey, Frederick T. Tilton, Waybourn J. Anderson, Jr., Simon J. Harrall 2015-11-03
9004181 Low profile rotating control device Thomas F. Bailey, James W. Chambers, Simon J. Harrall 2015-04-14
8881843 Managed pressure and/or temperature drilling system and method Richard Todd, Simon J. Harrall 2014-11-11
8863858 System and method for managing heave pressure from a floating rig Thomas F. Bailey, Simon J. Harrall 2014-10-21
8844652 Interlocking low profile rotating control device Jonathan P. Sokol, Danny W. Wagoner, Thomas F. Bailey, Aristeo Rios, III, James W. Chambers 2014-09-30
8714240 Method for cooling a rotating control device Thomas F. Bailey, James W. Chambers, Mark F. Gravouia 2014-05-06
8636087 Rotating control system and method for providing a differential pressure Thomas F. Bailey, Melvin T. Jacobs, Nicky A. White, Carel W. Hoyer 2014-01-28
8353337 Method for cooling a rotating control head Thomas F. Bailey, James W. Chambers, Mark F. Gravouia 2013-01-15