This book covers the entire length and breadth of offshore operations, especially regarding oil & gas exploration and production. The authors patiently went from offshore exploration, through field development to production operations and maintenance. The review questions after every chapter will help the students to test their understanding of the topics covered. This book is coming at a good time in Nigeria when the majority of exploration and development efforts are shifting to deeper horizons and offshore prospects. It is also a good reference material for practicing engineers and geo-scientists who wish to improve their multi-disciplinary knowledge to improve integrative business outcomes