US Patent Issued to Schlumberger Technology on July 29 for "On demand low shock ball seat system and method" (British Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,958, issued on July 29, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"On demand low shock ball seat system and method" was invented by George Telfer (Aberdeen, Great Britain), Stephen Lewis (Aberdeen, Great Britain) and Alasdair Tait (Aberdeen, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A technique facilitates temporary plugging of a well string via a ball seat assembly which may be actuated on demand. The ball seat assembly includes a ball seat mechanism which works in cooperation with an on-demand assembly actuated via a pattern of pressure changes applied within the ball seat assembly. The on-demand assembl...