Oil giant ExxonMobil (XOM) has reported better-than-expected second-quarter financial results due to record production in Guyana and the Permian Basin of Texas.Houston, Texas-based ExxonMobil announced earnings per share (EPS) of $2.14 U.S., which beat the $2.01 U.S. forecast on Wall Street. Revenue of $93.06 billion U.S. topped consensus estimates that had called for $90.99 billion U.S. in Q2 sales. The company said that the strong results and its record production each got a lift from its recent $60 billion U.S. acquisition of Pioneer Natural Resources, which closed in May of this year…