US Patent Issued on June 23 for "Mechanical hydraulic torque converter for horizontal well" (Chinese Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,879, issued on June 23.

"Mechanical hydraulic torque converter for horizontal well" was invented by Yang Liu (Chengdu, China), Junhong Wu (Chengdu, China), Tianshou Ma (Chengdu, China), Kun Ai (Chengdu, China), Haijun Tao (Chengdu, China), Xingyun Xiang (Chengdu, China), Chao Fang (Chengdu, China) and Jiahua Zhang (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention relates to a mechanical hydraulic torque converter for horizontal well drilling, and belongs to the technical field of oil and gas drilling tools. The hydraulic torque converter includes a driving shaft, an upper-shell, a driving shaft positioning shell, a TC bea...