US Patent Issued to ExxonMobil Technology and Engineering on March 24 for "Delayed opening port assembly" (Canadian Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,377, issued on March 24, was assigned to ExxonMobil Technology and Engineering Co. (Spring, Texas).

"Delayed opening port assembly" was invented by Tom Watkins (Calgary, Canada), Todd Machacek (Calgary, Canada), Bashkim Veizaj (Calgary, Canada) and Scott Sherman (Calgary, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A port assembly for controlling fluid flow through a flow port of a port sub. The port assembly comprises a dissolvable barrier, a burst disk for protecting the dissolvable barrier from fluids inside the port sub, and optionally a protective layer for protecting the dissolvable barrier from external fluids. When the burst disk ...