Performance of a High-Molecular-Weight AM/AA Copolymer in a CO 2 –Water Polymer Hybrid Fracturing Fluid Under High-Temperature and High-Pressure Conditions. - Chen, Tengfei; Zhou, Shutao; Yao, Tingwei; Fu, Meilong; Wen, Zhigang; Shen, Quanhuai (Polymers (20734360), 2026)