The Offshore Technology Conference (OTC) is the world's leading event for the development of offshore resources in the fields of drilling, exploration, production, and environmental protection. This volume is a collection of the seven winning papers inducted in 2009. The classic documents contained in this volume form the core of current practice worldwide. These papers cover major topics in offshore technology such as pile driving, mudslides, storm wave kinematics, tubular joints, response of floating structures, wave return periods, and soil performance during earthquakes.