Patent ID: 7284619

Claim:
A fluid actuated packer and collar assembly for positioning downhole on a tubular member, the packer and collar assembly comprising: first and second axially spaced packer heads each supported on and circumferentially surrounding the tubular member; an expandable packer element extending axially between the first and second packer heads; a movable collar supported on and positioned within the tubular member, the collar having a closed position and a packer activate position; a flow path extending from an interior of the tubular member to the expandable packer element for activating the packer element when the collar is in the packer activate position and for closing off the flow path when the collar is in the closed position; a closing valve positioned along the flow path downstream from the collar for closing off flow to the packer element when in a valve closed position; and a running tool positioned within the tubular member for mechanically moving the collar from the closed position to the packer activate position.