US Patent Issued to W.T. Bell International on Jan. 13 for "Explosive downhole tools having improved wellbore conveyance and debris properties, methods of using the explosive downhole tools in a wellbore, and explosive units for explosive column tools" (Dutch, American Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,107, issued on Jan. 13, was assigned to W.T. Bell International Inc. (Houston).

"Explosive downhole tools having improved wellbore conveyance and debris properties, methods of using the explosive downhole tools in a wellbore, and explosive units for explosive column tools" was invented by James G. Rairigh (Houston) and Walter Stam (Amsterdam).

According to the abstract* released by the U.S. Patent & Trademark Office: "An explosive downhole tool includes a housing having an upper housing part on one side of a window section and a lower housing part on an opposite side of the window section. An explosive charge is provided within the housing for at least one of cutting and expandin...