ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,215,559, issued on Feb. 4, was assigned to PSP-IP Ltd. (Newcastle Upon Tyne, Great Britain).
"Thermite method of abandoning a well" was invented by Philip Head (Berkshire, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A well cutting tool, comprising a housing including a chamber, the housing having at least one nozzle, the chamber being loaded with thermite, and a gas-generating additive an ignitor such that when the ignitor is actuated to ignite the thermite, the gas-generating additive is caused to create an increase in pressure which discharges energised molten thermite from the chamber and out of the housing through the at least one no...