ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,042, issued on June 30, was assigned to INNOVEX DOWNHOLE SOLUTIONS INC. (Humble, Texas).

"System and method for providing miscible displacement in a hydraulically-stimulated reservoir" was invented by Brent Driller (Houston) and Nick Tonti (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole tool for use in a wellbore includes a body having an end connected to a work string. The downhole tool also includes a first flowpath in the body. The first flowpath configured to allow a first fluid from a production zone in the wellbore to flow through the body. The downhole tool further includes a second flowpath configured to allow a second flu...