http://setexasrecord.com/stories/510643331-worker-sues-schlumberger-technology-alleing-unpaid-overtime
They are building a class action up in Chicago and have several other folks signed on. This practice was rampant in the oil fields.
You pay people a salary, and then your work them 100 + hours a week. Called a job bonus/day rate. Years back food service was working folks as "salary workers" when their jobs were not management or at a desk. The companies were trying thwart the fair labor practices to get around overtime pay. This practice was ruled on by the supreme court a few years back and laws were passed for even salary folks in these situations who should get overtime.