Abstract: A fluid actuated packer 10 and collar 36 assembly is provided for positioning on a tubular member 12. The collar 36 is moveable by a running tool 110 positioned within the tubular member and has a closed position and a packer activate position, fluidly connects the collar 36 to the packer element 14 when in the packer activate position, and closes off the flow path 26 when in the closed position. According to a method of the invention, the flow path 26 extends from the collar to the expandable packer element 14 and is open to activate the packer element 14 and closes off the flow path 26 when in the closed position.