Patent ID: 8561691

Claim:
An apparatus for use in a wellbore, comprising: a module for deployment downhole in the wellbore and having a nozzle with an output to provide a jet of fluid, wherein the module further has a valve associated with the nozzle to control fluid flow through the nozzle; a structure proximate the nozzle and positioned a set distance away from the output of the nozzle, wherein the set distance is greater than a length of a potential core of the jet of fluid; and wherein the nozzle has an opening of a particular diameter, and wherein the module has additional nozzles each also having the particular diameter, the particular diameter selected to enable the set distance of the structure from the output of each nozzle to be greater than the length of the potential core of the respective jet of fluid produced by each nozzle, and wherein the module has additional valves associated with the additional nozzles.