Halcon Resources, U.S. Oil Explorer, Files for BankruptcyBloombergHalcon focuses on onshore oil assets in the U.S. and averaged 41,087 barrels of oil or equivalent a day in 2015, according to past financial statements. Around 79 percent of its production w …

Wall Street JournalEasy Access to Money Keeps US Oil PumpingWall Street JournalWall Street's generous supply of funds to U.S. oil drillers helped create the American energy boom. Now that same access to easy money is keeping them going, despite oil pri …