Projects & development
A dated record of pipeline projects at Patoka, from the Southern Access Extension in 2016 to the Southern Illinois Connector expected in 2028.
Projects & development
Each project carries its status as of September 2026 and the source it is based on. Planned projects depend on regulatory approvals and may change.
Apr–May 2026
Enbridge offered up to 50,000 barrels per day of additional capacity on the line into Patoka, with service to Patoka or onward to Nederland, Texas via ETCO. The outcome has not been confirmed here.
2025 → Jul 2028
A joint Energy Transfer and Enbridge pipeline of about 56 miles from Wood River to Patoka, expected to carry at least 156,000 barrels per day. Sanctioned in November 2025; pending final approvals, construction is to start in early 2028 with service expected in July 2028.
Dec 2021 – Jan 2022
The 632-mile, 40-inch Capline began interim southbound service on 18 December 2021 and full service on 1 January 2022, carrying crude from Patoka to St. James, Louisiana.
Jun 2017
Dakota Access and ETCO began carrying Bakken crude from North Dakota through Patoka to Nederland, Texas.
Jan 2016
Enbridge’s line from Flanagan, Illinois to Patoka began shipping crude.
1938
The Salem Oil Field was established in Marion County, part of an oil history in the area that reaches back to the first Illinois wells of the 1860s.
Pipeline connectivity
Crude reaches Patoka from North Dakota, from Western Canada by way of Flanagan, Illinois, and from the Wood River area. From the hub it moves south to the Texas and Louisiana Gulf Coast, or into other pipelines serving Midwest refiners.
Dakota Access Pipeline
Bakken / Three Forks, North Dakota
Energy Transfer · approx. 1,170 miles, 12–30 inch · in service 2017
Southern Access Extension
Flanagan, Illinois
Enbridge · carries Western Canadian crude from the Enbridge Mainline · in service 2016
Wood River–Patoka system
Wood River, Illinois
Marathon Pipe Line
Southern Illinois Connector Planned
Wood River, Illinois
Energy Transfer and Enbridge · approx. 56 miles · in service expected July 2028, pending approvals
PATOKA
Tank storage and pipeline interchange · Marion County, Illinois
Energy Transfer Crude Oil Pipeline (ETCO)
Nederland, Texas
Energy Transfer · approx. 745 miles, mostly 30 inch
Capline
St. James, Louisiana
Operated by Marathon Pipe Line · 632 miles, 40 inch · southbound since reversal, full service 1 January 2022
Other pipelines
Midwest refining markets
Onward connections described in Energy Transfer’s Form 10-K, FY2025
Updates
Recent filings and announcements that concern the Patoka hub. Each item links to its original source.
April 2026
Up to 50,000 barrels per day of added capacity offered on the line into Patoka, 10 April to 29 May 2026.
Enbridge notice
February 2026
The FY2025 Form 10-K reports approximately 1.9 million barrels of crude oil storage on 234 owned acres.
SEC filing
November 2025
Energy Transfer and Enbridge move ahead with a Wood River–Patoka pipeline after an open season secured long-term contracts.
Project website
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Terminal announcements
Announcements from Patoka Oil Terminal will be published here.
Patoka Oil Terminal
For enquiries about the terminal, its connections and commercial opportunities, contact the Patoka team.
Inbound · North Dakota · Western Canada · Wood River
Hub · Patoka, Marion County, Illinois
Outbound · Gulf Coast · Midwest refining