US Patent Issued to SHELL USA on Nov. 11 for "Punch and inject tool for downhole casing and method for use thereof" (Dutch Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,334, issued on Nov. 11, was assigned to SHELL USA INC..

"Punch and inject tool for downhole casing and method for use thereof" was invented by Erik Kerst Cornelissen (Amsterdam), Iris Cornelissen (Rijswijk, Netherlands), Robbe Ibn Olieux (Rijswijk, Netherlands) and Sam Gerard Van Moorsel (Amsterdam).

According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole tool, which includes a tool housing having a longitudinal axis, is equipped with a sting for punching a hole in a casing wall and injecting a sealant through the hole. The tube has a fluid channel to establish fluid communication from within the tool housing to an exterior of the tool housing throu...