ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,556, issued on July 15, was assigned to Halliburton Energy Services Inc. (Houston).

"Robust linear parameter varying control design for automated curvature cruise" was invented by Shahin Tasoujian (Sunnyvale, Calif.), Yuanyan Chen (Houston), Khunsa Hisham (Houston), Vy Pho (Houston), Ketan C. Bhaidasna (Houston) and Robert P. Darbe (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method for drilling a curve section of a wellbore in a subsurface formation. The method comprises obtaining a curvature setpoint. The method comprises obtaining drilling process feedback from a drilling assembly drilling the curve section of th...