US Patent Issued to Shanghai SUPWEE on Sept. 9 for "Wellhead equipment for drilling" (Chinese Inventor)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,671, issued on Sept. 9, was assigned to Shanghai SUPWEE Co. Ltd. (Shanghai).

"Wellhead equipment for drilling" was invented by Dawei Gong (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a wellhead equipment for drilling including a wellhead, a conductor string, a guide base plate, a casing hanger and a first casing string. The guide base plate includes a base plate body and a mounting cylinder fixedly arranged in the base plate body, a top end of the wellhead is positioned above the mounting cylinder and provided with an interface part, a bottom end of the wellhead is positioned below the mounting cylinder, the conductor string...