Abstract: A downhole tool, method, and well system. The downhole tool, in one aspect, includes a pressure intensifier positioned radially about a mandrel, the pressure intensifier configured to receive a setting force (F1) applied to the mandrel and amplify it to an amplified force (FA) sufficient to continue to move a deployable element from a partially deployed state to a fully deployed state. In at least one aspect, the pressure intensifier includes a first piston having a first piston surface area (A1), a second piston having a second piston surface area (A2), wherein (A2) > (A1), and a fluid chamber defined between the (A1) and (A2). In at least this one aspect, the (A1) is configured to extend at least partially within the fluid chamber as the mandrel is receiving the (F1) thereby pressing fluid located within the fluid chamber against the (A2) to create the (FA).

Abstract: Embodiments of a downhole fastening method and apparatus are disclosed herein. In one embodiment, apparatus for use in a downhole environment comprises a sleeve, the sleeve including a plurality of longitudinal receiving slots in an external surface thereof; a plurality of drag blocks positioned within the longitudinal receiving slots, each drag block including an activation element for biasing the drag block radially outward and gripping elements for engaging a wellbore casing; and a retention element positioned at an uphole end of the sleeve and configured to maintain the plurality of drag blocks engaged in the plurality of longitudinal receiving slots.

Abstract: Embodiments of a downhole fastening method and apparatus are disclosed herein. In one embodiment, apparatus for use in a downhole environment comprises a sleeve, the sleeve including a plurality of longitudinal receiving slots in an external surface thereof; a plurality of drag blocks positioned within the longitudinal receiving slots, each drag block including an activation element for biasing the drag block radially outward and gripping elements for engaging a wellbore casing; and a retention element positioned at an uphole end of the sleeve and configured to maintain the plurality of drag blocks engaged in the plurality of longitudinal receiving slots.