ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,273, issued on May 12, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Repairing wellbore cement structures and related compositions" was invented by Ashok Santra (Houston) and Arthur Hale (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A self-healing cement structure may be used for repairing defects. An example method of using such a cement structure includes: providing a cement structure in a wellbore, wherein the cement structure includes: a cement and elastomer particles at 1% by weight of the cement (bwoc) to 25% bwoc; applying heat to the cement structure to heat at least a portion of the elastomer particles above a...