Directional Drilling System Response and Stability. - Geoff C. Downton (CCA, 2007)

Control of longitudinal or torsional vibration in a drill pipe/BHA using infinite dimensional techniques. - Sunil Kumar Agrawal; Ying Mao 007; Geoff C. Downton; Jahir Padon; Kuo-Chiang Chen (CCA, 2011)

Stability and response of closed loop directional drilling system using linear delay differential equations. - Geoff C. Downton; M. Ignova (CCA, 2011)

ℒ1 adaptive controller for a rotary steerable system. - Hui Sun; Zhiyuan Li 010; Naira Hovakimyan; Tamer Basar; Geoff C. Downton (ISIC, 2011)