Plug installation system and method
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United States of America Patent
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Aug 18, 2015
Grant Date -
Nov 7, 2013
app pub date -
May 1, 2012
filing date -
May 1, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A system for maneuvering a plug in and out of a tubing hanger mounts to a subsea wellhead assembly. The system includes a tractor and an end effector that are sheltered in a housing. A control cable spools from a reel mounted on the housing and attaches to the tractor. The control cable provides communication from a remotely operated vehicle (ROV) to the tractor and end effector so that commands from the ROV via the control cable control the tractor and end effector. After the housing connects to the wellhead assembly, control signals from the ROV activate the tractor to drive the end effector into the wellhead assembly and command the end effector to set the plug in the tubing hanger, or to remove the plug from the tubing hanger.
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