M. Amanullah and L. Yu, “Environment Friendly Fluid Loss Additives to Protect the Marine Environment from the Detrimental Effect of Mud Additives,” Journal of Petroleum Science and Engineering, Vol. 48, No. 3-4, 2005, pp. 199-208. doi:10.1016/j.petrol.2005.06.013
 S. Rehan and H. Tahir, “A Fuzzy-Based Methodology for an Aggregative Environmental Risk Assessment: A Case Study of Drilling Waste,” Environmental Modelling & Soft- ware, Vol. 20, No. 1, 2005, pp. 33-46. doi:10.1016/j.envsoft.2003.12.007
 M. P. Carignan, C. B. Lake and T. Menzies, “Assessment of Two Thermally Treated Drill Mud Wastes for Landfill Containment Applications,” Waste Management and Research, Vol. 25, No. 5, 2007, pp. 394-401. doi:10.1177/0734242X07073652
 J. G. Zhang, J. Nie and H. Deng, “An Experimental Study on the Treatment of Waste Drilling Fluid by Solid-Liquid Separation,” Environmental Protection of Oil & Gas Fields, in Chinese, Vol. 11, 2001, pp. 20-32.