A high salt tolerance and low adsorption drag reducer based on non-covalent enhancement |
MA Yingxian,ZHU Zhi,GUO Jianchun,ZHOU Han,LI Jia,XIONG Yujia,MA Leyao |
Fig. 6. Friction reduction performance of DN drag reducer at mass fraction of 0.2% in waters with 300 000 mg/L salinity and penetrant S and synergist Z added. |