The idea of powering energy intensive facilities with inexpensive methane from on-site rigs is gaining traction in the Marcellus Shale region. And one of the reasons for the interest is the intensifying focus by exploration and production companies on natural gas liquids.

NGLs, which include propane, hexane, butane, and pentanes, are produced by fractionation after well-gas is processed to separate them from methane and ethane (which can only be liquefied through cryogenic treatment). Keep reading →