ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,035, issued on June 2, was assigned to Halliburton Energy Services Inc. (Houston).

"Method to tailor geopolymer compositions for effective zonal isolation" was invented by Thomas Jason Pisklak (Houston), Siva Rama Krishna Jandhyala (Houston) and Heloisa Helena Fabricio Fernandes (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method including providing a geopolymer recipe comprising a geopolymer material, and a required compressive strength, using a compressive strength model of the geopolymer recipe to predict a compressive strength and comparing the required compressive strength to the predicted compressive strength output of the compress...