By Jason Cato, Tom Fontaine and Timothy Puko Published: Tuesday, Feb. 11, 2014, 9:09 a.m. Updated 4 hours ago DUNKARD — The thunder of a natural gas well explosion on Tuesday morning in rural Greene County shook Charlie Grim awake, yanked John Kuis away from the television and rattled Michelle Hurley's home as she dressed for work. “It sounded like a jet engine was parked in my driveway,” said Kuis, 57, who scrambled outside to see fire and smoke rising above the tree line near his Dilliner home, about 70 miles south of Pittsburgh. The fire at the Chevron Corp....