Energy Transfer seeks to build a pump station and double capacity of the system.
Company also expects to complete sixth train at Sabine Pass in the first half of 2023.
North America deal includes potential participation at Cameron LNG Phase 2 and a future expansion of ECA LNG.
The 303-mile pipeline is designed to deliver 2 billion cubic feet per day of gas from the Marcellus and Utica shale in Pennsylvania, Ohio and West Virginia to consumers in the Mid-Atlantic and Southeast.
The Project encompasses the construction of one LNG plant, including six gas liquefaction trains and appurtenant facilities.
The system consists of new crude oil and condensate pipelines located in the Marten Hills region of north-central Alberta.
With the addition of PDH 2 to its portfolio, S & B will employ more than 3,500 EPC professionals on its projects for Enterprise Products Partners.
The 1,200-mile ATEX pipeline transports ethane from the Marcellus/Utica Basin of Pennsylvania, West Virginia and Ohio to Enterprise’s NGL storage complex in Mont Belvieu, Texas.