Ahmed, Narjis Mohmmad, Hassan Abdul Hadi Abdul Hussein, and Mustafa H. Flayyih. “Synthesis of Hematite Nano Material and Its Effect on Properties of Water Based Drilling Mud”. Journal of Petroleum Research and Studies 11, no. 4 (December 20, 2021): 17-35. Accessed April 19, 2024. https://jprs.gov.iq/index.php/jprs/article/view/559.