The effort, called a "top kill, " involved plugging the ruptured deep-sea well by pumpingheavy drilling fluid into it from the surface, nearly a mile above.
The 20-year-old from Queensland said she had listened to music to calm her nerves before the race -- not the pumpingheavy rock favoured by many athletes but country and western.
For this quarter, the firm expects profit margins from the region to be between 8.5% and 9.5%, down from around 11.7% in Q3 due to its heavy exposure to the oversupplied pressure pumping market and a decrease in land based drilling demand.