Despite the slide in oil prices in the second quarter, ExxonMobil (NYSE: XOM) reported on Friday earnings that exceeded analyst estimates on the back of increased oil and gas production in the U.S. Permian shale basin and offshore Guyana. Exxon’s earnings stood at $7.1 billion for the second quarter, or $1.64 per share, as the company achieved its highest second-quarter upstream production since the merger of Exxon and Mobil more than 25 years ago. The Q2 earnings per share beat the analyst consensus of $1.57 EPS in the Wall Street…