Global Examples of Value Increase with Subsea Drive Riserless Casing Drilling System

• Mitigation of shallow hazards

• Potential reduction of one casing string

• Options for contingency strings

• Larger completion

• Mitigation of shallow gas hazards

• Potential reduction of one casing string

• Increased drilling operating windows

• Larger completion

• Mitigation of shallow gas hazards

• Potential reduction of two casing strings

• Increased drilling operating windows

• Larger completion