1. Skalli L, Buckley JS, Zhang Y, Morrow NR (2006) Surface and core wetting effects of surfactants in oil based drilling fluids. J Pet Sci Eng 52:253–260
2. Zhang Y, Bell DA, Chen G, Morrow NR, Buckley JS (2006) Cleaning cores after contamination with synthetic oil-based mud components. Presented at the 9th International Symposium on Reservoir Wettability, Sept. 17–18, Bergen, Norway
3. Caenn R, Chillingar GV (1996) Drilling fluids. J Petrol Sci Eng 14:221–230
4. Willian CL, Gary JP (2004) Drilling and well completions. In: Standard Handbook of petroleum and natural gas engineering, Second Edition, pp 1–565
5. Ahmed SM, Aiad I, Dardir MM (2011) Synthesis and some applications of anionic palmitic acid schiff base salt surfactants. J Am Sci 7(1):799–807