Drilling (oil and Gas field Development Techniques) by Jean-Paul Nguyen
Drilling (Fundamentals of Explorations and production ) by Jean-Paul Nguyen
Drilling Engineering by Jamal J. Azar and G. Robello Samuel
Advanced Drilling Engineering by Dr. Robello Samuel
Practical Well Planning and Drilling manual by Steve Devereux
Downhole Drilling Tools by G. Robello Samuel
Drilling: The manual of methods, apllications and management by The Australian Drilling

I still need these books. Can someone please send them to my email: giloo12@yahoo.com

Thank you in advance.