ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,847, issued on March 17, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Rotating control device" was invented by Madhu Sudhana Rao Peta (Pune, India) and Neha Yashodhan Pise (Pune, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotating control device (RCD) for use during a drilling operation includes a bearing assembly. The bearing assembly includes a bearing body. The bearing assembly also includes a bearing housing positioned around the bearing body. The bearing assembly also includes a load ring positioned around the bearing housing. The load ring includes a tapered surface. The bearing assembly also includes a seal...