ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,816, issued on Nov. 18, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Mitigation of severe dynamic vibrations via stick slip promotion" was invented by Ashley Bernard Johnson (Milton, Great Britain), Nathaniel Wicks (Somerville, Mass.) and Amandine Battentier (Sugar Land, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for drilling a subterranean wellbore includes rotating a bottom hole assembly in the wellbore to drill and measuring a magnitude of a potentially damaging vibrational component. The measured magnitude is compared to a corresponding threshold and the drill string rotation may be perturbed to increase...