The Houston-based contract driller reported a net loss of $114.9 million for 2014 compared to a profit of $252.6 million the year before, despite raising annual revenues to $1.82 billion from $1.57 billion.

In the fourth quarter the New York-listed company made a loss of $326.9 million compared to a profit of $49.7 million in the year-ago period even though revenues rose by 41% from $393.4