Patent ID: 6464008
Filing Date: 2002-10-15
Classification: E21B

Abstract:
A well completion tool for disposition in a production tubing string, said tool comprising:(a) A substantially cylindrical tool body having a central flow bore therethrough and a flow transfer port between the tool body bore and external surroundings of said tool body; (b) A flow transfer port closure element within said tool body that is selectively opened by fluid pressure within said flow bore; (c) A tubular mandrel secured to said tool body and projecting axially therefrom, said mandrel having a mandrel wall around an internal mandrel bore, and mandrel wall perforations between said tool body and a lower end of said mandrel bore; (d) A plug transport tube releasably secured to said tool body and projecting axially from said tool body within said mandrel bore, said transport tube having a tube wall around an internal tube bore, flow transfer ports through the transport tube wall and a tube bore closure seat distal from said flow transfer ports; and, (e) A transport tube release element within said tool body that is selectively displaced by fluid pressure within the tool body flow bore to release said transport tube from said tool body for translation along said mandrel whereby a flow channel from said mandrel wall perforations into said tool body flow bore is opened.