verification . please help improve this article by adding citations to reliable sources . unsourced material may be challenged and removed . september 2010 learn how and when to remove this template message ocean rig udw inc. type public traded as nasdaq orig industry drilling founded 1996 headquarters athens greece key people george economou chairman services drilling revenue us 2.185 billion 2014 1 operating income us 499.3 million 2014 1 net income us 259.8 million 2014 1 total assets us 8.042 billion 2014 1 total equity us 3.448 billion 2014 1 owner dryships inc 34.9 % 2 number of employees 1.093 2011 website www.ocean rig.com ocean rig udw inc. is an operator of semi submersible oil rigs and udw drillships based in athens greece . the company also maintains offices in luanda angola jersey rio de janeiro brazil and stavanger norway . . the company has two semi submersibles the leiv eiriksson and eirik raude and four ultra deepwater drill ships ocean rig olympia ocean rig mykonos ocean rig poseidon and ocean rig corcovado . four further ultra deep water drill ships are currently under construction with three due for completion in 2013 and one in 2015 . areas of operation as of 2012 are brazil west africa east africa and the norwegian sector . the company was established in 1996 as ocean rig asa . ocean rig was listed on the oslo stock exchange in 1997 2008 . since 2011 it is listed in nasdaq . in 2007 2008 74 % of the company is owned by dryships inc controlled by greek american shipping tycoon george economou . in 2011 the leiv eirikson finished operations the black sea on contract to petrobras and tpao and went to the arctic on contract to cairn energy . 3 in 2012 leiv eirikson is drilling in the east falklands basin . 4 5 the eirik raude is in ghana on contract to tullow oil . both semi submersible drilling rigs are based on the proprietary bingo 9000 design . the rigs have a water depth capacity of 10 000 feet 3 000 m and variable deck load of 7 000 tonnes . external links edit official website references edit a b c d e ocean rig udw inc orig debt to equity . gurufocus.com . retrieved 2016 06 15 . ocean rig udw inc company shareholders managers and business summary nasdaq 4 traders . 4 traders.com . retrieved 2016 06 15 . vidal john 22 april 2011 . activists occupy oil rig in fight to prevent arctic drilling . the guardian . retrieved 2011 04 22 . falklands oil industry says first round of exploration was hugely successful . merco press . 27 january 2012 . retrieved 2012 02 16 . the east falklands basin 2012 drilling programme pdf . falklands oil and gas limited . 2012 . retrieved 2012 02 16 . retrieved from https en.wikipedia.org w index.php title ocean rig & oldid 740752619 categories companies of norwaypetroleum industry in norwayshipping companies of greecedrilling rig operatorscompanies based in stavangercompanies formerly listed on the oslo stock exchangehidden categories articles needing additional references from september 2010all articles needing additional references navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages deutschnorsk bokm l edit links this page was last modified on 23 september 2016 at 02 18 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view