US Patent Issued to Halliburton Energy Services on Aug. 26 for "Passive pressure application and regulation of downhole hydraulic devices" (British Inventor)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,618, issued on Aug. 26, was assigned to Halliburton Energy Services Inc. (Houston).

"Passive pressure application and regulation of downhole hydraulic devices" was invented by Ryan David Mair (Westhill, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole device for applying and regulating pressure to a hydraulic device. The downhole device includes a relief check valve, a pressure transfer check valve, a hydraulic chamber, an output port, and a fluid separator. Pressure from the hydraulic chamber is applied to the hydraulic device to actuate the hydraulic device."

The patent was filed on April 26, 2024, under Application No. 18/...