Ahmed, N.M. , Abdul Hussein, H.A.H. and Flayyih, M.H. 2021. Synthesis of Hematite Nano Material and Its Effect on Properties of Water Based Drilling Mud. Journal of Petroleum Research and Studies. 11, 4 (Dec. 2021), 17-35. DOI:https://doi.org/10.52716/jprs.v11i4.559.