Wells – Expansible anchor or casing – Fluid pressure actuated
Patent
1995-01-23
1996-09-03
Neuder, William P.
Wells
Expansible anchor or casing
Fluid pressure actuated
166319, E21B 2300
Patent
active
055515126
ABSTRACT:
A running tool particularly useful for running liners on coiled tubing is disclosed. A torque-transmitting outer sleeve is employed which initially traps the collets. The collets are engaged to the liner by relative mechanical movement and thereafter lock in a secured position to the liner, regardless of whether the liner is placed in tension or compression by the running tool. Release is accomplished by letting down weight on the running tool, coupled with hydraulic pressure to shear a pin securing the collet mechanism. Upon such a hydraulic release with the pin sheared, the outer torque sleeve shifts downwardly to prevent relatching. Torque is transmitted through the outer torque sleeved and not through the latching collets.
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Drawing of Baker Oil Tool's 2RH Setting Tool (Non-Rotational), 1993.
Drawing of Baker Oil Tool's `HR` Setting Tool (Hydraulic Release), 1993.
Baker Hughes Incorporated
Neuder William P.
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