229 patents
Page 12 of 12
Utility
Outer casing string and method of installing same
4 Nov 19
An outer casing string, including a surface casing head, and associated installation method.
Gavin Paul Robottom, Edward T. Thornburrow, Nigel Hogg
Filed: 23 Feb 17
Utility
Drawworks systems and methods
4 Nov 19
A drawworks system for a mineral extraction system includes a drum mounted on a drum shaft and configured to support a cable.
Michael Netecke, Rogelio Cabrera
Filed: 5 Mar 17
Utility
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21 Oct 19
A system includes a flow restrictor assembly configured to be coupled to an annular structure having a central bore.
Laura M. Gardner, Matthew D. Givens, Roger D. Williams
Filed: 20 Nov 16
Utility
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21 Oct 19
A system includes a hanger locking assembly configured to lock a hanger within a housing of a wellhead.
Sebastien Noel Albert Bories, Patrice Paul Louis Couren, Brandon Blake Shirley, Si Hui Koh, Haw Keat Lim
Filed: 4 Oct 16
Utility
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21 Oct 19
A choke assembly.
Hans Paul Hopper, Derek Meek
Filed: 23 Sep 08
Utility
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14 Oct 19
Provided in some embodiments is a system that includes a split gate valve including first and second gate sections coupled together and configured to move together within a cavity of the split gate valve between an open position and a closed position.
Loc Gia Hoang, Christopher Jude Gerace
Filed: 27 Nov 15
Utility
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7 Oct 19
A bell design crown block for a top mounted compensator includes a removable, tilting sheave block mounted within the outside perimeter of a crown block yoke.
Tiago Manuel Fernandes Nunes, Nils Christian Hagen, Hakon Frank Bergan
Filed: 2 Aug 16
Utility
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7 Oct 19
A wellhead is provided.
Dennis P. Nguyen, David Anderson, Delbert Vanderford
Filed: 7 Feb 15
Utility
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30 Sep 19
A system, in certain embodiments, includes a horizontal fracturing tree.
Kirk Paul Guidry, Stefan Marek Radwanski
Filed: 5 Sep 16