This book constitutes the thoroughly refereed proceedings of the Second Marine Operations Specialty Symposium (MOSS 2012), held in Singapore during 6 to 8 August 2012. It covers all aspects offshore operation and installation related issues. These issues will be of interest to many segments of offshore oil & gas and renewables (wind, current, wave, OTEC). The contributing authors are from key oil & gas companies, consultants, contractors, classification societies, universities and research institutes. The topics covered include Standard on Marine Operations, Offshore Construction Vessels, Dynamic Positioning, Challenges of Ultra-large & Ultra-deep Systems, Lifting Operations, Float-over Operations, Side-by-Side Operations, Installation of Jackets and Foundation, Installation of Subsea Equipment, Anchor Handling Operations and Pipelines. Readership: This book is very useful companion to offshore/ocean engineering students, and as well as for practising engineers and technical staff in the oil and gas sector, universities, research institutes, third parties, and offshore industries.