ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,916, issued on Sept. 30, was assigned to Stabil Drill Specialties LLC (Lafayette, La.).
"Tri-axial shock absorber sub" was invented by Sorin Gabriel Teodorescu (The Woodlands, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole shock absorbing sub which includes a tubular main stem extending through a sub housing and a lateral shock absorbing assembly positioned within the sub housing. The lateral shock absorbing assembly includes an activator ring positioned around the main stem, the activator ring including a plurality of wedge inserts positioned around a perimeter of the activator ring. A reaction collar is positioned on each side of...