Hurricanes and other adverse weather conditions a Geological complexities and water depths associated with such operations a Limited number of partners available to participate in projects a oil field service costs and availability a compliance with environmental safety and other laws and regulations a terrorist attack or piracy a remediation and other costs and regulatory changes resulting from oil spills emissions or releasing hazardous materials a failure of equipment and facilities and a Response capabilities for personnel equipment or environmental incidents a failure of equipment and facilities a failure of equipment and other a failure of equipment and other a failure of equipment and other