The New York and Oslo-listed firm is selling unsecured notes due 2020 in a private offering to investors in the US, it said today.
Proceeds will be used to fund new acquisitions, repay existing debt and for general corporate purposes.
The company has 12 drillships under construction mainly at Korean yards.
It also has a host of drilling rigs on order including 10 at China’s Dalian Shipbuilding Industry.
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