The Zug, Switzerland-based rig contractor said it had added 136 days of downtime to its net expected count for 2013 according to a fleet status report late Thursday.
The company has struggled with downtime in overhauling its fleet since the Macondo disaster in 2010. Company shares closed down 5.14% in New York on Friday following the disclosure.
The company expects 11 rigs to undergo an “extensive well control equipment overhaul” in 2013, including the Sedco 702, Sedco 711, GSF Grand Banks, GSF Development Driller I, Transocean Searcher, Transocean John Shaw, Sedco 704, Sedco 707, M.G.
