US Patent Issued to Saudi Arabian Oil on Feb. 17 for "Filter cake removal treatment fluid with chelating agent and viscoelastic surfactant" (Texas Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,981, issued on Feb. 17, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"Filter cake removal treatment fluid with chelating agent and viscoelastic surfactant" was invented by Rajesh Kumar Saini (Cypress, Texas), Katherine Leigh Hull (Houston), Amy J. Cairns (Houston) and Brady Kevin Crane (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A reactive treatment fluid for filter cake removal, the reactive treatment fluid including: a base fluid; a chelating agent; a carbonate; an oxidizing salt; an organic acid; a viscoelastic surfactant (VES); and a base."

The patent was filed on June 5, 2024, under Application No. 18/734,267.

*F...