Special Report: Worldwide Gas Processing: Impact of shale plays on LPG supply remains uncertain

Commercial development of shale gas with directional drilling and hydraulic fracturing is for the present almost entirely restricted to North America. The techniques were initially developed in the Barnett shale in Central Texas and then adapted to other shale plays, as well as other types of unconventional gas formations in the US and Canada.NGLs from the Barnett shale as well as the Woodford in Oklahoma were already in 2009 making significant contributions to NGL production in the US.Not all shales are created equal, however. The new techniques work better on some shales than on others, and there are many other technical and commercial factors that make one play more profitable than ano...

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