1. 1) Adam, N., Charrier, T., "Drilling Engineering: A Complete Well Planning Handbook," Pennwell Corp., Oklahama, USA ISBN-13: 978-0878142651 (1985).
2. 2) Bataee, M., Kamyab, M., Ashena, R., International Oil and Gas Conference and Exhibition in China, ISBN : 978-1-55563-295-3 (2010).
3. 3) Bilgesu, H. I., Tetrick, L. T., Mohaghegh, S., Ameri, S., SPE Eastern Regional Meeting, Lexington, Kentucky, USA, ISBN : 978-1-55563-398-1 (1997).
4. 4) Bourgoyne, A. T., Millheim, K. K., Chenevert, M. E., Young Jr., F. S., "Applied Drilling Engineering (SPE Textbook Series, Vol. 2)," Society of Petroleum Engineers, ISBN-13: 978-1555630010 (1986).
5. 5) Edalatkhah, S., Arabjamaloei, R., Hashemi, A., Journal of Petroleum Science and Technology, 28, (18), 1946 (2010).