U.S. Creditors Worry as Oil Prices Dive Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Pump jacks at dawn in an oil field over the Monterey Shale formation, where gas and oil extraction using hydraulic fracturing is on the verge of a boom on March 24, 2014, near Lost Hills, CA ( Photo by David McNew/Getty Images / Getty ) Produced by Mythili Rao Produced by PRI and WNYC