US Patent Issued to Halliburton Energy Services on July 29 for "Thixotropic cement slurry with graphene oxide" (Indian Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,605, issued on July 29, was assigned to Halliburton Energy Services Inc. (Houston).

"Thixotropic cement slurry with graphene oxide" was invented by Sandip Prabhakar Patil (Pune, India), Sourav Ghosh (Pune, India) and Gauri Sudhir Bhide (Pune, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of servicing a wellbore penetrating a subterranean formation with a thixotropic cement composition is provided. The thixotropic cement composition includes a cementitious material, silica fume, graphene oxide, and an aqueous fluid, can have a 10-minute gel strength of from about 20 lbf/100 ft2 to about 300 lbf/100 ft2, and can be used to service a we...