Patent ID: 6360821
Filing Date: 2002-03-26
Classification: E21B

Abstract:
A combination whipstock and anchor assembly for setting in a casing, comprising:a whipstock body having a whipstock diversion face for diverting a tool with respect to the casing, the whipstock body having a lower wedge engaging surface; at least one wedge member moveable relative to the whipstock body, the at least one wedge member supporting a wedge slip thereon for anchored engagement with the casing, the at least one wedge member having a whipstock body engaging surface for sliding engagement with the lower wedge engaging surface on the whipstock body and; an actuation member for moving the at least one wedge member relative to the whipstock body from a run in position to a set position; and a counterbalance positioned above the whipstock body when in the run in position, such that the counterbalance is positioned toward a low side of the casing when the at least one wedge member is in the set position.