OTL has participated the final review of the Liuhua Compliant Piled Tower (CPT) Pre-FEED conducted by CNOOC RI in Beijing. Since the midterm review, on top of establishing the CPT feasibility for Liuhua field, OTL has performed optimization design of the CPT to enhance the dynamic performance and reduce the steel weight of the CPT significantly. OTL’s proposed CPT design has several features improved from previous CPT designs. OTL has delivered all project documents satisfactorily, and has passed the final review by CNOOC.