It used to be easy, dividing oil and gas plays into conventional and unconventional segments. It’s a lot more complicated now, as Starr Spencer explains in this week’s Oilgram News column, New Frontiers. —————————————– For the better part of a dozen years, the oil industry’s monumental tale has been about the emergence of shale and […]

via The Barrel Blog http://blogs.platts.com/2013/07/22/frontiers-jul22/