ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,759, issued on July 28, was assigned to Halliburton Energy Services Inc. (Houston).

"Adjustable element energy retention mechanism" was invented by Aihua Liang (Carrollton, Texas), Wesley P. Dietz (Carrollton, Texas) and Alireza Yazdanshenas (Carrollton, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided, in one aspect, is an anchoring subassembly, a well system, and a method. The anchoring subassembly, in one aspect, includes a mandrel, and an isolation element positioned about the mandrel, the isolation element configured to move between a radially retracted state, a fully radially expanded state, and a relaxed radially expanded state. ...