US Patent Issued to SAUDI ARABIAN OIL on Oct. 7 for "Partially degradable particulates as time-released tracers for acidized and fractured gas wells" (Massachusetts, Texas Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,623, issued on Oct. 7, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Partially degradable particulates as time-released tracers for acidized and fractured gas wells" was invented by Ayrat Gizzatov (Winchester, Mass.), Shitong Sherry Zhu (Waban, Mass.), Amy J. Cairns (Houston), Rajesh Kumar Saini (Cypress, Texas), Mohammed Sayed (Katy, Texas) and Wei Wang (Quincy, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for monitoring gas production in a subterranean formation includes introducing a polymer composite particle having a degradable portion and a non-degradable portion including a tracer into a stimulation fluid...