US Patent Issued to Halliburton Energy Services on Oct. 21 for "Subsurface safety valve including two or more oppositely poled electromagnets and two or more oppositely poled permanent magnets" (Saudi Arabia Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,866, issued on Oct. 21, was assigned to Halliburton Energy Services Inc. (Houston).

"Subsurface safety valve including two or more oppositely poled electromagnets and two or more oppositely poled permanent magnets" was invented by Ibrahim El Mallawany (Al-Khobar, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an SSSV, a well system, and a method. The SSSV, in one aspect, includes two or more electromagnets fixedly coupled to a housing, a first of the two or more electromagnets having its north pole facing a first electromagnet direction and a second of the two or more electromagnets having is south pole facing first electrom...