US Patent Issued to Saudi Arabian Oil on March 25 for "Control systems and methods for rock cuttings identification" (Saudi Arabia, Italian, Russian Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,858, issued on March 25, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"Control systems and methods for rock cuttings identification" was invented by Klemens Katterbauer (Dhahran, Saudi Arabia), Alberto F. Marsala (Venice, Italy), Nouf M. Jabri (Dammam, Saudi Arabia) and Vera Solovyeva (Moscow).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for correlating a depth of drill bit cuttings include circulating a drilling fluid into a wellbore during a drilling process to form the wellbore in a subterranean formation; circulating a portion of uniquely identifiable particles from a container into the drilling fluid during the dr...