ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,976, issued on Sept. 15, was assigned to DarkVision Technologies Inc. (North Vancouver, Canada).
"Advanced optical imaging of tubulars" was invented by Timothy Luu (North Vancouver, Canada), Graham Manders (North Vancouver, Canada) and Damian Nesbitt (Vancouver, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device and method used to inspect wellbores, cased or uncased using cameras and a phased array ultrasound transducer. The optical and ultrasound images are stored on the device and then registered and analyzed together. The present device overcomes the deficiencies currently experience by downhole camera operators, such as poor scale a...