US Patent Issued to Schlumberger Technology on Feb. 10 for "Drilling system control for reducing stick-slip by calculating and reducing energy of upgoing rotational waves in a drillstring" (British Inventor)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,204, issued on Feb. 10, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Drilling system control for reducing stick-slip by calculating and reducing energy of upgoing rotational waves in a drillstring" was invented by Benjamin Peter Jeffryes (Cambridgeshire, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A non-transitory computer readable medium having a computer program stored thereon causes a computer to perform a method for controlling a drilling system in a manner that reduces stick-slip including: receiving a desired rotation speed v0 of the drive system to rotate the drillstring, receiving property measurements...