“We're struggling to pay every bill we have,” said McGrath, 50, of West Wheatfield in Indiana County, Pa., who is trying to support his wife and four children on about $ 600 per month in Social Security benefits he gets for an autistic son. A longtime worker on shallow oil and gas sites, McGrath went to work at Halliburton's Homer City, Pa., office in 2010 when dozens of companies rushing into the Marcellus shale needed tens of thousands of workers to drill and frack horizontal wells.
