Wells – Processes – Placing or shifting well part
Patent
1989-12-08
1991-01-22
Neuder, William P.
Wells
Processes
Placing or shifting well part
166125, E21B 2302
Patent
active
049863622
ABSTRACT:
A running tool for use with reeled tubing and a method of operating same in which a piston assembly extending over a portion of an inner mandrel assembly and in engagement with a locking device. Shear pins connect the piston assembly relative to the inner mandrel assembly and a fluid chamber is defined by cooperating shoulders formed on the inner mandrel assembly and the piston assembly. The inner mandrel assembly has a bore which can be connected to the fluid chamber for establishing fluid pressure in the fluid chamber to exert oppositely directed forces on the shoulder to shear the shear pins in response to a predetermined value of the fluid pressure to permit axial movement of the piston assembly to actuate the locking device.
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Kice Warren B.
Neuder William P.
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