By May 21 2013
Production forecasts for natural gas in the Appalachian Marcellus shale have doubled from 7 bcf/d to 14 bcf/d in less than two years. As a result northeast demand for natural gas will be almost entirely met from local production in coming years. Significant re-plumbing of the US natural gas pipeline distribution system will be needed and in many cases has already commenced. Today we review accelerating changes to US gas flows.