ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,085, issued on July 21, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).
"Downhole ball release device" was invented by Mathew Varghese (Abu Dhabi, United Arab Emirates).
According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole sealing device includes a ball, a collet coupled to the ball, a release device, and an electrical control board. The device is configured to release the ball and collet onto a downhole plug seat during hydraulic fracturing. In operation, an electrical signal is sent to the release device, actuating the release of collet fingers. Pressure equalization occurs through ports in the ball before the ball and collet...