Akpan, E., Enyi, G., Nasr, G., Yahaya, A., Ahmadu, A., & Saidu, B. (2019). Water-based drilling fluids for high-temperature applications and water-sensitive and dispersible shale formations. Journal of Petroleum Science and Engineering, 175(Apr 19), 1028-1038. https://doi.org/10.1016/j.petrol.2019.01.002