Barron's | US producers Ultra and Midstates fall victim to low oil price Financial Times The defaults are the latest failures to strike an industry struggling with an oil price that has declined more than 60 per cent from a 2014 peak. Analysts with credit rating agency Fitch have tracked a surge in energy delinquencies over the past year ... Oil Companies Ultra Petroleum, Midstates File for Bankruptcy Midstates Petroleum, Ultra file for bankruptcy amid weak oil price |