ODU : (n.) Drilling. A generic term for several classes of self-contained floatable or floating drilling machines such as jackups, semisubmersibles, and submersibles. Alt. form: mobile offshore drilling unit
Schlumberger Ltd. (The World's Leading Supplier Of Technology, Integrated Project Management And Information Solutions to Customers Working in The Oil and Gas Industry Worldwide), Schlumberger Oilfield Glossary Cedex, France 2014. http://www.glossary.oilfield.slb.com/en/Terms/sym/ a.aspx, (Ergo - Brit) {766}