ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,616, issued on Jan. 27, was assigned to Royal Completion Tools LLC (Houston).
"Degradable device for downhole evaluation" was invented by Zachary Silva (Pinehurst, Texas) and Elias Pena (Katy, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wellbore apparatus includes a carrier apparatus to deploy downhole in a wellbore. The carrier apparatus includes multiple coupons of different degradable materials housed in the carrier. The multiple coupons degrade at different rates based on the difference in materials. The difference in degradation rates indicates specific performance of the material composition in the wellbore environment."
The patent...