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BAKKEN WIRE
Pipeline & Infrastructure

Enbridge to Acquire Tallgrass Pipelines in $2.55 Billion Deal

The acquisition includes a major stake in the Pony Express Pipeline, a key route for Rockies crude including Bakken production.

Bakken Wire Staff·🌅Afternoon Wire·

Enbridge Inc. has agreed to acquire Tallgrass Pipelines in a deal valued at $2.55 billion, according to Rigzone. The transaction, reported on September 10, 2026, includes a 75 percent ownership stake in the Pony Express Pipeline.

The Pony Express Pipeline is a significant conduit for crude oil produced in the Rocky Mountain region, with a capacity to carry up to approximately 460,000 barrels per day. Its route terminates at the Cushing, Oklahoma storage hub, a major pricing point for U.S. crude oil benchmarks.

For Bakken operators, pipeline access to downstream markets is a critical component of their business. The Pony Express system provides a dedicated pathway for Rockies-sourced crude, which includes production from the Bakken formation in North Dakota. Consolidation of major pipeline assets under a large midstream company like Enbridge can influence market dynamics and long-term takeaway capacity.

Midstream acquisitions of this scale often signal a focus on securing control of established infrastructure networks. Enbridge's move to acquire Tallgrass Pipelines, and with it a controlling interest in Pony Express, places a key piece of Rockies export infrastructure under the control of one of North America's largest pipeline operators. This could impact future tariff structures and expansion plans for the route serving Bakken and other regional producers.

The deal underscores the ongoing consolidation within the energy infrastructure sector. For North Dakota's oil industry, stable and diverse pipeline options are vital for maintaining the economic viability of the Bakken play. Changes in ownership of major arteries like Pony Express are closely watched by operators and royalty owners for any potential effects on the cost and reliability of getting crude to market.

Source

Rigzone

enbridgetallgrass energypony express pipelinem&amidstreamtakeaway capacity

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