Invention Grant
- Patent Title: Torque enhanced threaded connection
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Application No.: US13808870Application Date: 2011-07-07
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Publication No.: US09771761B2Publication Date: 2017-09-26
- Inventor: Nicholas Ryan Marchand , Duane Wang , Ryan Gee
- Applicant: Nicholas Ryan Marchand , Duane Wang , Ryan Gee
- Applicant Address: US TX Houston
- Assignee: NATIONAL OILWELL VARCO, L.P.
- Current Assignee: NATIONAL OILWELL VARCO, L.P.
- Current Assignee Address: US TX Houston
- Agency: Conley Rose, P.C.
- International Application: PCT/US2011/043238 WO 20110707
- International Announcement: WO2012/006455 WO 20120112
- Main IPC: E21B7/08
- IPC: E21B7/08 ; E21B17/042 ; E21B19/12

Abstract:
Apparatus and method for increasing the torque capacity of threaded connections between tubular members. The apparatus may include a first tubular end coupled with a second tubular end, and a torque member wherein the torque member is torqued against the second tubular member and wherein tapered surfaces are engaged between the torque member and the first tubular member at a tapered surface interface.
Public/Granted literature
- US20130106102A1 TORQUE ENHANCED THREADED CONNECTION Public/Granted day:2013-05-02
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