US Patent Issued to Halliburton Energy Services on June 16 for "Drillable seat for multi-stage tools" (American, Malaysian Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,709, issued on June 16, was assigned to Halliburton Energy Services Inc. (Houston).

"Drillable seat for multi-stage tools" was invented by Frank Vinicia Acosta Villarreal (Houston), Saul Vazquez Niebla (Houston) and Ahmad Rizal Maharam (Senai, Malaysia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drillable seat for use in an oil and gas tool can include one or more sleeve shoulders located on an outside of the drillable seat, a plug shoulder located on an inside of the drillable seat, wherein the drillable seat is made from a settable material consisting of a cement composition or consisting essentially of a curable resin. The drillable seat can...