US Patent Issued to SAUDI ARABIAN OIL on Jan. 13 for "Chemical tracer spool for casing-casing annulus leak source detection" (Saudi Arabia Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,145, issued on Jan. 13, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Chemical tracer spool for casing-casing annulus leak source detection" was invented by Keshabananda Baruah (Abqaiq, Saudi Arabia) and Hisham I. Al-Shuwaikhat (Dammam, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described is a system for identifying a leak in a casing-casing annulus of a well. The system includes a chemical tracer spool positioned at a casing-casing annulus of a wellbore. The chemical tracer spool includes a porous layer with a polymer media and a chemical tracer molecule embedded in the porous layer. An inner surface of the po...