1. Evaluation and Analytical Department Egyptian Petroleum Research Institute, Nasr city, Cairo, Egypt;
2. Engineering Chemistry Department, High Institute of Engineering & Technology (New Damietta), Egypt and Al-Qunfudah Center for Scientific Research, Chemistry Department, Al-Qunfudah University College, Umm Al-Qura University, KSA;
3. Exploration Department, Egyptian Petroleum Research Institute, Nasr City, Cairo, Egypt