Prospectuses
- Ocean Rig UDW Inc. Material Terms of the Exchange Offer
- Confidential Supplement to Information Memorandum for $500 million Senior Unsecured Bonds due 2016, dated April 7, 2010
- Confidential Information Memorandum for Senior Unsecured Bonds due 2016, dated April 4, 2010
- Private Placement December 2010