US Patent Issued to Evolution Completions on July 29 for "Debris exclusion tool, system and method" (North Dakota, Montana Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,962, issued on July 29, was assigned to Evolution Completions Inc. (Williston, N.D.).

"Debris exclusion tool, system and method" was invented by John G. Stach (Williston, N.D.), Garvin H. Leintz (Sydney, Mont.) and Alan M. Roness (Williston, N.D.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A debris exclusion tool can include a debris exclusion plug, and a tube having opposite ends, the debris exclusion plug being releasably secured at one tube end and preventing debris from falling into the tube end, and the other tube end being securable in a tubular string in a well below the first end. A method of establishing fluid communication through a tub...