various orientations such as inclined inverted horizontal vertical etc without departing from the principles of the invention representatively illustrated in fig1 a c is a well casing perforation tool and formation boring tool 10 in accordance with an embodiment of the invention tool 10 is shown in a well casing perforation configuration and includes a tool body 12 having an abrasive jet perforation sub 14 a landing nipple 16 a jetting shoe 18 and a wiper sub 20 each disposed coaxially and in series from the abrasive jet perforation sub to the wiper sub body 12 further includes an internal axial flow passage 22 extending through the abrasive jet perforation sub 14 the landing nipple 16 and partially through the jetting shoe 18 where the internal axial flow passage includes a lateral bend and extends through the circumferential wall of the jetting shoe forming a side port 24 the abrasive jet perforation sub 14 has at least one and preferably has a plurality of lateral ports 26 extending through the circumferential wall thereof in one embodiment there are three lateral ports 26 arranged in a triangular configuration in another embodiment there are four lateral ports 26 arranged in a boxed or diamond configuration the lateral ports 26 provide fluid communication between the internal axial flow passage 22 and a position exteriorly of the abrasive jet perforation sub 14.