Ahmed Mohammed, Karrar, and Ayad A. Al-Haleem. “A Comparative Study of Pressure Losses and Hole Cleaning Efficiency of Water and Polymer Solutions in Horizontal Wells”. Iraqi Journal of Chemical and Petroleum Engineering 20, no. 4 (December 30, 2019): 35–40. Accessed December 23, 2024. https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/771.