Patent ID: 8689890
Filing Date: 2014-04-08
Classification: E21B

Abstract:
1. An apparatus for performing remote operations in a well, Comprising: a running tool having a stem selectively connected to a string of conduit, the stem having a passage extending therethrough along an axis of the stem, a body, and a plurality of functional positions selected in response to rotation of the stem relative to the body; and a feedback mechanism assembly connected to the running tool and operational with rotation of the stem relative to the body, the feedback mechanism assembly selectively increasing the torque required to rotate the stem relative to the body at the plurality of functional positions, thereby providing a positive indication that the running tool is in the proper functional position of the plurality of functional positions; an inner cam positioned between the stem and the body and connected to the stem and the body such that rotation of the stem causes the inner cam to translate axially relative to the body to the functional positions; an engagement element, carried by the body and adapted to be engaged with a well pipe hanger, the axial movement of the inner cam relative to the body causing the engagement element to move radially outward and into engagement with the hanger to releasably secure the running tool to the hanger; and a piston, substantially surrounding portions of the stem, the inner cam, and the body and downwardly moveable relative to the stem in response to fluid pressure applied to the axial passage to thereby set a packoff seal.