Appalachia to Texas Ethane Pipeline (ATEX)

The ATEX Express pipeline delivers growing ethane production from the Marcellus/ Utica Shale areas of Pennsylvania, West Virginia and Ohio to the U.S. Gulf Coast.
Originating in Washington County, Pennsylvania, the first leg of the system would involve construction of approximately 595 miles of new pipeline extending to Cape Girardeau, Missouri, closely paralleling an existing Enterprise pipeline.
At Cape Girardeau, Enterprise will reverse a 16-inch diameter pipeline and place it into ethane service. By utilizing an existing pipeline and following an existing right-of-way for the section to be constructed, ATEX Express offers a cost-effective and timely solution that also minimizes the project’s environmental impact.
At the southern terminus of the ATEX Express pipeline, Enterprise will be constructing a 55-mile, 16-inch diameter pipeline to provide shippers with access to the partnership’s natural gas liquids storage complex at Mont Belvieu, Texas, giving them direct or indirect access to every ethylene plant in the United States.
The Markwest Houston Gas Processing Center supplies product to the pipeline

2011 - Enterprise and Chesapeake Enter into Agreement to Transport Ethane from the Marcellus/Utica Shale to Gulf Coast
2012 - Enterprise announced that it had received sufficient transportation commitments to support development of the project
2012 - Enterprise announced that it was conducting a two-week supplemental open commitment period to accommodate additional shipper demand
2013 - Enterprise Products Begins Line-Filling
2014 - Commercial operations began
2017 - Capacity increased from 125,000 b/d to 145,000 b/d

Chesapeake has committed to 75,000 barrels per day over a five-year ramp-up period

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