A, Khoshniyat, Shojaei M., Jarahian k., Mirali M., Ghorashi s., Aalaie J., and Moalemi H. “Borehole Stability in Shale Formation: Modeling the Effects of Molecular Weight and Concentration of Polymers in the Drilling Fluids Formulation”. Journal of Petroleum Research and Studies 5, no. 1 (June 1, 2014): 260-270. Accessed November 27, 2024. https://jprs.gov.iq/index.php/jprs/article/view/143.