ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,480, issued on Sept. 1.

"Downhole system for conveying an explosive tool within a wellbore and reducing damage to other tools of the downhole system" was invented by James G. Rairigh (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole system for conveying an explosive tool within a wellbore and reducing damage to other tools of the downhole system. The downhole system comprises a downhole tool string configured for conveyance within a wellbore, wherein the downhole tool string comprises upper tools, a lower tool comprising an explosive charge, and a sub between the upper tools and the lower tool. The sub is configured to attenuate a s...