ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,296, issued on Oct. 14, was assigned to TESTALL AS (Skien, Norway).
"Intelligent well testing system" was invented by Per Erik Berger (Skien, Norway).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and apparatus for characterizing reservoir properties when producing formation fluids from a subsurface formation by releasing material(s) with distinct signature(s) into the formation fluids, allowing said material to flow through the reservoir with the formation fluids, registering the receipt of said material in a downhole well testing system or on surface of a production well, and determining the time, distance and direction of travel for the s...