US Patent Issued to National Oilwell Varco on Aug. 12 for "Depth activated downhole adjustable bend assemblies" (Canadian, American Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,337, issued on Aug. 12, was assigned to National Oilwell Varco LP (Houston).

"Depth activated downhole adjustable bend assemblies" was invented by Jeffery Ronald Clausen (Tulsa, Okla.) and Nicholas Ryan Marchand (Edmonton, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole mud motor includes a driveshaft rotatably disposed in a driveshaft housing, a bearing mandrel coupled to the driveshaft, wherein the bend adjustment assembly includes a first configuration that provides a first deflection angle between the driveshaft housing and the bearing mandrel, wherein the bend adjustment assembly includes a second configuration that provides a ...