DH

Don M. Hannegan

WH Weatherford Technology Holdings: 4 patents #6 of 180Top 4%
📍 Barling, AR: #1 of 14 inventorsTop 8%
🗺 Arkansas: #10 of 434 inventorsTop 3%
Overall (2016): #44,939 of 481,213Top 10%
4
Patents 2016

Issued Patents 2016

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
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