ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,372, issued on Aug. 12, was assigned to Silverwell Technology Ltd. (Cambridgeshire, Great Britain).
"Hydraulic locking mechanism for downhole valve" was invented by Joel David Shaw (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bi-directional valve with valve elements having compliant features biasing them together to maintain a sealing interface that defines a fluid communication barrier within the valve. Parting the valve elements from one another removes the sealing interface allow fluid communication across the valve elements. The valve includes a side port and a choke member that selectively blocks fluid flow through the valve when m...