ABC News | BHP profit falls on US shale oil write-downs, CEO Mackenzie warns on protectionism ABC News BHP said the losses were related to a previously flagged write-down in the value of its onshore US shale oil and gas assets, which have now been sold to BP for $US10.8 billion, US company tax changes and costs and compensation related to the Samarco ... BHP FY Profit Falls On US Shale Oil Write-downs |