Just last week MDN told you about Chief Oil & Gas’ billionaire founder Trevor Rees-Jones who is ready, willing and able to buy distressed assets from shale companies in trouble (see Chief O&G Founder “Licking His Chops” to Buy Distressed Assets). However, Rees-Jones isn’t the only interested party sitting on the sidelines eager to start buying shale companies. Investment firms including KKR, Warburg Pincus, and Apollo (among others) with an estimated $60 billion of cash are also in the hunt…