Inventor
THIESSEN JAY JOHN
CA8 patents
Patents
8 patentsUS9091126B2Jul 28, 2015
Mobile drilling rig with telescoping substructure boxes
NAT OILWELL VARCO LP54 citations96
US11035183B2Jun 15, 2021
Devices, systems, and methods for top drive clearing
NAT OILWELL VARCO LP15 citations93
US9091125B2Jul 28, 2015
Collapsible substructure for a mobile drilling rig
NAT OILWELL VARCO LP37 citations93
US9464488B2Oct 11, 2016
Performing simultaneous operations on multiple wellbore locations using a single mobile drilling rig
NAT OILWELL VARCO LP20 citations91
US9366053B2Jun 14, 2016
Mobile drilling rig with telescoping substructure boxes
NAT OILWELL VARCO LP22 citations91
US9556676B2Jan 31, 2017
Collapsible substructure for a mobile drilling rig
NAT OILWELL VARCO LP9 citations83
US9617811B2Apr 11, 2017
Drilling mud cooling system
NAT OILWELL VARCO LP7 citations82
US9869109B2Jan 16, 2018
Drilling rig mast erection system
NAT OILWELL VARCO LP2 citations71