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STARSTROKER WIRELINE RETRIEVING TOOL

The StarStroker has been designed to provide a very large retrieving force on a pulling or fishing tool engaged with an object (fish) in the well bore, without exerting any load on the wireline itself. An electro-mechanical actuator powered by an electric gear motor generates the retrieving force.

The StarStroker is lowered into the wellbore on wireline to a position where the pulling or fishing tool engages the stuck object. When the retrieving tool is activated, the electro-mechanical actuator will cause the tool's housing to move downwards. Multiple slips will firmly anchor the retrieving tool against the tubing or casing and the controlled force generated by the retrieving tool is applied between the tubing or casing and the pulling or fishing tool, in a powerful upward motion, to dislodge the stuck object.
If the fish "drags", the retrieving tool is easily reset downhole by reversing the motion of the actuator and the stroke of the tool is repeated until the fish is free.
The StarStroker and the very large force it creates in downhole conditions will extend the capability of using standard wireline in heavy duty pulling/pushing operations for fishing or downhole equipment manipulation.













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