US Patent Issued to Halliburton Energy Services on Nov. 4 for "Apparatus and method of reducing surge when running casing" (Norwegian, American Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,507, issued on Nov. 4, was assigned to Halliburton Energy Services Inc. (Houston).

"Apparatus and method of reducing surge when running casing" was invented by Nathan Barrett Wyatt (Houston), Lonnie Carl Helms (Houston), Tor Sigve Saetre (Tananger, Norway) and Frank Vinicia Acosta Villarreal (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole tool has a tool body with a tool body outer diameter. A liner with a liner outer diameter is connected to the tool body. The tool body has a plurality of diverter ports defined in a wall thereof. A closing sleeve is movable in the tool body to close the diverter ports. A closing seat attached to t...