US Patent Issued to ISOL8 (HOLDINGS) on Dec. 30 for "Downhole heating" (British, American Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,964, issued on Dec. 30, was assigned to ISOL8 (HOLDINGS) Ltd. (Aberdeen, Great Britain).

"Downhole heating" was invented by Andrew Louden (Aberdeen, Great Britain), William Edward Lowry (Port Townsend, Wash.) and Niall Lipp (Avoch, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole heating method comprises locating a heater in a fluid-filled downhole bore, activating the heater to heat the bore and the fluid therein, and restricting or disrupting convection-induced flow of the heated fluid in the bore. The convection-induced flow may be restricted by providing a radially extending flow barrier or heat deflector. Alternatively, o...