US Patent Issued to Expro North Sea on Oct. 6 for "Retrievable packer element-anti extrusion barrier" (Louisiana, Texas Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,753,671, issued on Oct. 6, was assigned to Expro North Sea Ltd. (Aberdeenshire, Great Britain).

"Retrievable packer element-anti extrusion barrier" was invented by Robert Justyn Taylor (Houston) and Seth J. Fadaol (Youngsville, La.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A packer assembly includes a tubular body, a mandrel circumferentially surrounding the tubular body, a gauge ring, an anti-extrusion ring, a force ring, and a packer element. The anti-extrusion ring includes a first ring comprising a plurality of first ring segments, a second ring comprising a plurality of second ring segments, a spring disposed in a spring channel, and a pluralit...