ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,586, issued on Sept. 23, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).
"Compensated neutron gamma density" was invented by Avtandil Tkabladze (Sugar Land, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole tool is provided with a neutron generator configured to emit neutrons into a geological formation. The downhole tool includes one or more neutron detectors configured to detect neutrons that return to the downhole tool after interacting with the geological formation. The downhole tool also includes one or more gamma ray detectors configured to detect gamma rays from the geological formation that form when neutron...