ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,760, issued on Dec. 2, was assigned to BAKER HUGHES OILFIELD OPERATIONS LLC (Houston).
"Method and apparatus for evaluating the expansion of shape memory polymer in well completions" was invented by David Chace (Spring, Texas), Feyzi Inanc (Spring, Texas), Ian Oliver McGlynn (Houston) and Emmannuel David Soans (Tomball, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole system for evaluating an expansion of a shape memory material (SMM) in a borehole. The SMM expands into an annulus between a work string and an annulus. A pulsed neutron gamma ray tool irradiates the borehole and formation with neutrons and detects gamma rays generated fr...