ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,350, issued on Aug. 12, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).
"Retaining backup system for frac plugs" was invented by Nathan Seymour (Pearland, Texas), Mitchell Gamble (Calgary, Canada) and Austin Chen (Rosharon, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A backup ring for a frac plug. The backup ring may include a plurality of segments defined by a plurality of slots, where each segment is defined by a sequential pair of the plurality of slots. The backup ring may also include a plurality of buttons, wherein at least one button is disposed on each segment. The backup ring creates a backup anchor for the seali...