1. Ph.D. Student, Center of EOR Studies, Univ. Teknologi Petronas, Seri Iskandar, 31750 Tronoh, Perak, Malaysia (corresponding author).
2. Associate Professor, Petroleum Engineering Dept., Univ. Teknologi Petronas, Seri Iskandar, 31750 Tronoh, Perak, Malaysia.
3. Ph.D. Student, Civil Engineering Dept., Univ. Teknologi Petronas, Seri Iskandar, 31750 Tronoh, Perak, Malaysia.
4. Senior Lecturer, Petroleum Engineering Dept., Univ. Teknologi Petronas, Seri Iskandar, 31750 Tronoh, Perak, Malaysia.