US Patent Issued on July 28 for "Composition and methods for inhibiting corrosion of metal during acidizing a wellbore in a subterranean formation for fracking" (Florida Inventor)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,428, issued on July 28.

"Composition and methods for inhibiting corrosion of metal during acidizing a wellbore in a subterranean formation for fracking" was invented by Roy W. Martin (Naples, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acid composition for acidizing a wellbore including at least one acid, an alkenylphenone, and a polycyclic diquaternary quinoxaline, and a method using the acid composition to reduce corrosion within a wellbore. The polycyclic diquaternary quinoxaline having the structure:where X- comprises a counter anion, R' comprises an alkyl aryl group, and R1, R2, R3, R4 and R5 comprise hydrogen or a substitution group...