Zhang, R.; Nasr-El-Din, H. .; Jin, X.; Wu, J. J.; Pérez, L. M. . Multiscale Investigation of a Less-Damaging Friction Reducer to Mitigate Formation Damage in Unconventional Shale Reservoirs: DOI: 10.14800/IOGR.455. Improv Oil Gas Recover 2019, 3.