US Patent Issued to Halliburton Energy Services on Dec. 16 for "Wellbore subsurface safety valve using a magnetic coupling" (Singaporean, American Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,859, issued on Dec. 16, was assigned to Halliburton Energy Services Inc. (Houston).

"Wellbore subsurface safety valve using a magnetic coupling" was invented by Michael Linley Fripp (Singapore), Mohan Gunasekaran (Singapore), Deepesh Upadrashta (Singapore), Jon-Howard Elliott Hanson (Carrollton, Texas), Matthew Gassen (Carrollton, Texas), Rajiv Jerome Yatawara (Carrollton, Texas) and Jason Lee Peacock (Carrollton, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A subsurface safety valve for a wellbore for production of fluids from a subsurface formation comprises a drive portion and an actuator portion. The drive portion comprises a first magne...