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Marcellus Ethane, By Land and By Sea


MarkWest is partnering up with Sunoco on a pipeline and marine project, The Mariner Project, that will transport ethane produced from the Marcellus to Gulf Coast markets.  The expected initial capacity is up to 50,000 barrels per day but can be increased as ethane production increases in the play.  A 45-mile pipeline will be constructed by MarkWest from their Houston, PA facility to an interconnect with an existing Sunoco pipeline at Delmont, PA.  The ethane will then be transported to an East Coast facility to be shipped.

MarkWest will make minor modifications to its processing facilities and installing additional facilities at is Houston, PA location.  Currently MarkWest’s Houston processing facility has a 180 MMcf/d gathering capacity and a 155 MMcf/d processing capacity and is a JV with NGP Midstream and Resources.  Sunoco will have to construct refrigerated ethane storage at the East Cost facility.  Range Resources and Chesapeake Energy are among the operators that are supporting the Mariner Project in an effort to capitalize on this resource.

To learn more visit the MarkWest folder in the Unconventional Update Marcellus Midstream folder in DI’s DNA.

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Anne Leonard

In January 2015, Anne Leonard headed the team that launched the latest addition to DrillingInfo’s international publications, International Scout Frontier North America which covers the US Gulf of Mexico as well as Maritime and Arctic Canada. She has been reporting on exploration and production for more than 30 years. She began her career in Denver covering the Rocky Mountain Region, and has spent the last 10 years covering the international arena, with a particular focus on Latin America, Africa, Western Europe and the Far East. Anne received her Bachelor of Arts in Journalism from the University of Nebraska.