US Patent Issued to Schlumberger Technology on Sept. 15 for "Systems and methods for torque and drag analysis of downhole systems" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,975, issued on Sept. 15, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Systems and methods for torque and drag analysis of downhole systems" was invented by Rongbing Chen (Beijing), Gang Xu (Beijing), Ji Tang Liu (Beijing) and Jianjun Yang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of analyzing torque and drag of a drill string in a wellbore includes receiving wellbore data including a trajectory of the wellbore, and receiving drill string data for the drill string, at least a portion of the drill string including an inner string positioned inside of the drill string. The method includes generating a virt...