US Patent Issued to GENERAL DOWNHOLE TOOLS on Jan. 27 for "System, method and apparatus for hydraulic downhole stick-slip mitigation" (Canadian Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,965, issued on Jan. 27, was assigned to GENERAL DOWNHOLE TOOLS LTD. (Calgary, Canada).

"System, method and apparatus for hydraulic downhole stick-slip mitigation" was invented by Michael Harvey (Calgary, Canada), Jovan Vracar (Calgary, Canada) and David Devlin (Calgary, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole tool includes an outer, intermediate and inner tubular bodies. The intermediate tubular body has vanes and female splines. The inner tubular body in the intermediate tubular body includes a load nut and male splines that rotationally couple with the female splines to allow relative axial movement between the inner tubul...