US Patent Issued to SCHLUMBERGER TECHNOLOGY on May 27 for "Positional-release mechanism for a downhole tool" (Texas Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,913, issued on May 27, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).

"Positional-release mechanism for a downhole tool" was invented by William Ryan Sisak (Houston), Bo Chen (Rosharon, Texas) and Brian Walther (Rosharon, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shifting tool for use with an isolation valve. The shifting tool may include a mandrel and a first shifting assembly positioned about the mandrel. The first shifting assembly may include a shifting member engageable with a profile of the isolation valve to shift the isolation valve into at least one of an open position or a closed position, a sleeve engageab...