Invention Grant
- Patent Title: Rotating hanger running tool
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Application No.: US16878300Application Date: 2020-05-19
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Publication No.: US11215038B2Publication Date: 2022-01-04
- Inventor: Craig Cotton
- Applicant: Patriot Research Center, LLC
- Applicant Address: US TX Houston
- Assignee: Patriot Research Center, LLC
- Current Assignee: Patriot Research Center, LLC
- Current Assignee Address: US TX Houston
- Agency: The Kubiak Law Firm PLLC
- Main IPC: E21B43/10
- IPC: E21B43/10 ; E21B17/06

Abstract:
A rotating hanger running tool is provided allowing torque to be transmitted to a sleeve and then the casing by a set of directionally and rotationally biased dogs while bypassing a right-hand thread engaging the running tool to the casing. Upon rotating the tool in the opposite direction torque is transmitted to the right-hand thread causing the running tool and the casing to disengage.
Public/Granted literature
- US20210363861A1 ROTATING HANGER RUNNING TOOL Public/Granted day:2021-11-25
Information query
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