1. Drilling Fluids Design Laboratory, Department of Petroleum Engineering and Geoengineering, Rajiv Gandhi Institute of Petroleum Technology, Amethi 229304, India
2. Department of Chemical Engineering, Indian Institute of Technology Delhi, Hauz Khas,New Delhi110016, India
3. Department of Petroleum Engineering and Earth Sciences, Energy Acres, University of Petroleum and Energy Studies, Dehradun 248077, India
4. Department of Petroleum Engineering and Geoengineering, Rajiv Gandhi Institute of Petroleum Technology, Amethi 229304, India