Telegraph.co.uk | Falling oil price pushes Tullow Oil to £400m loss Telegraph.co.uk Lower oil prices pushed Tullow Oil into a pre-tax loss of almost £400m in the first half of the year. The slump in oil prices meant that Tullow was forced to stomach an impairment of property, plant and equipment of $642m (£493m) in the first half of 2017. Tullow swings to $518.8m loss on sliding oil price Tullow Oil reports operating loss of $309m Tullow Oil swings to loss on impairment |