ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,040, issued on June 30, was assigned to NCS Multistage Inc. (Calgary, Canada).
"Autonomous flow control device and method" was invented by Michael Werries (Calgary, Canada), Brock Gillis (Calgary, Canada), Juan Montero (Calgary, Canada) and Doug Brunskill (Calgary, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A valve assembly for integration within a wellbore string is provided. The valve assembly includes a valve housing defining a fluid passage therethrough and having injection ports, and a flow restriction component extending between the fluid passage and the injection ports to establish fluid communication therebetween. The flow restric...