ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,627, issued on Aug. 26, was assigned to SWM International LLC (Pampa, Texas).
"Downhole perforating gun tube and components" was invented by Dawna Mauldin (Pampa, Texas) and Sidney W. Mauldin (Pampa, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gun tube for a downhole perforating gun assembly includes a body having a cavity and one or more weights in the cavity. Gravity acts on the weights, which causes the tube body to rotate around its longitudinal axis so the weights are adjacent the lower part of the wellbore in which the gun assembly is positioned when oriented horizontally. This position shape charges in the gun tube in a desired pos...