ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,399,276, issued on Aug. 26, was assigned to DarkVision Technologies Inc. (North Vancouver, Canada).

"Measuring sealing quality of connections in downhole casings" was invented by Graham T. Manders (North Vancouver, Canada), Kurt Kolb (Burnaby, Canada) and Jacob Law (North Vancouver, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and system for inspecting casings in a wellbore to determine a mechanical or sealing quality of casing connections. Casing connections may become mechanically weak or start to leak after some period of use in harsh conditions. A radial array of ultrasound transducers images the casing in-situ to create an ultraso...