ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,216, issued on June 3, was assigned to PETROMAC IP Ltd. (Auckland, New Zealand).
"Sensor transportation apparatus for a wireline logging tool string" was invented by Stephen Peter McCormick (Auckland, New Zealand).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sensor transportation apparatus to convey an elongate sensor assembly through a wellbore, the sensor transportation apparatus comprises a pair of axles and a pair of wheels corresponding with the pair of axles with each wheel mounted on a respective said axle to rotate about an axis of rotation perpendicular to a longitudinal axis of the elongate sensor assembly. A protection structure extends...