Enable Midstream Partners LP began testing support Monday for a greenfield 2.75 Bcf/d natural gas pipeline that would move supply from northern Louisiana to the Gulf Coast to supply more export projects.

As designed, Enable Gulf Run Transmission LLC’s “large-diameter” Gulf Run Pipeline interstate system would traverse 165 miles from northern Louisiana to the Gulf Coast for potential liquefied natural gas (LNG) exports.

An unidentified cornerstone shipper, which Enable said has an LNG export project in the works, has signed a 20-year agreement for 1.1 Bcf/d.

“This project is another example of Enable leveraging its existing assets to provide customers with creative and cost-effective market solutions,” said Enable Midstream CEO Rod Sailor.

The $550 million project, which could be in service in 2022, is subject to a final investment decision (FID) for the LNG export project by the cornerstone shipper, which it said is awaiting approval by the Federal Energy Regulatory Commission. Pending a positive FID, the permitting process for the pipeline could begin next year.

Enable “has indicated up to 16.2 Bcf/d of potential supply interconnects and multiple downstream LNG connections,” including previously announced but not yet FID’d Driftwood, Golden Pass and Port Arthur export projects, said Tudor, Pickering, Holt & Co. If the project proceeds, “it would serve to anchor Enable’s northern Louisiana system.”

Gulf Run would use existing Enable Gas Transmission LLC (EGT) transportation infrastructure to provide access to some of the most prolific gas producing regions in the Lower 48, including the Haynesville, Marcellus, Utica and Barnett shales as well as the Midcontinent region.

A nonbinding open season for Gulf Run continues through Oct. 26. Information is available on its website.

Oklahoma City-based Enable owns, operates and develops gas and crude oil infrastructure assets, with more than 13,300 miles of gas and oil gathering pipelines, 2.6 Bcf/d of processing capacity, 7,800 miles of interstate pipelines (including Southeast Supply Header LLC, of which it owns 50%), 2,200 miles of intrastate pipelines and eight storage facilities comprising 86.0 Bcf of storage capacity.

Enable this year has reported record gas production growth in the Anadarko Basin and the Haynesville. During 1Q2018, total gas gathered volumes reached an all-time high of 4.28 trillion Btu/d, up 30% year/year (y/y), while processed volumes climbed 19% to a record 2.22 trillion Btu/d. Crude oil volumes also rose in the first quarter y/y to nearly 25,000 b/d (17% higher).