PACKER WITH POSITIONABLE COLLAR

摘要

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.