Patent ID: 8783338

Claim:
An abrasive perforating tool for use in an oil or gas well and through which well fluids are passed to conduct well operations, the tool comprising: a tubular tool body having an upper end and a lower end and sidewall extending therebetween having an inner diameter defining a fluid flow channel therebetween; at least one jet nozzle in the sidewall of the tool body; and a tubular sleeve slidably disposed within the flow channel in the tool body, the sleeve having an inner diameter continuous with the flow channel of the tool body and an outer diameter, wherein the sleeve is sized to provide an annular fluid channel between the outer diameter of the sleeve and inner diameter of the tool body, the annular fluid channel being continuous with the at least one jet nozzle; wherein the sleeve and the tool body are configured to allow sliding movement of the sleeve from a first position that prevents fluid entering the tool body from entering the annular space and allows the fluid to pass through the sleeve and a second position that prevents fluid from passing through the sleeve and allows fluid pass into the annular space and out the at least one nozzle.