US Patent Issued to Halliburton Energy Services on April 21 for "Enhanced carbon sequestration via foam cementing" (Texas Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,732, issued on April 21, was assigned to Halliburton Energy Services Inc. (Houston).

"Enhanced carbon sequestration via foam cementing" was invented by William Cecil Pearl Jr. (Houston) and Samuel J. Lewis (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method including entraining carbon dioxide (CO2) in a cement slurry composition and subjecting the cement slurry composition to conditions under which the CO2 achieves and maintains a supercritical state; and allowing the cement slurry composition to harden to form a hardened cement having CO2 sequestered therein."

The patent was filed on Nov. 21, 2023, under Application No. 18/515,803. ...