ONEOK to buy Permian assets from Brazos Midstream in $4.425bn deal
ONEOK will acquire Brazos Midstream's Permian Basin assets for $4.425bn, financed by a $9bn equity investment from Apollo. The deal, expected to close in Q4 2026, includes 700 miles of infrastructure and 1.2bcf/d of processing capacity. ONEOK aims for a 3.25x leverage ratio by 2027 and expects the acquisition to boost earnings and free cash flow.
How this was made

The 30-second read
Why it matters
The transaction is expected to be immediately accretive to earnings and free cash flow per share, targeting a 3.25x leverage ratio in 2027.
Market read
The acquisition is a major M&A move in the energy sector, likely influencing midstream stocks and related infrastructure investments.
What to watch
Regulatory approvals and execution of the Cassidy II plant are critical milestones that could delay benefits.
Background
ONEOK is a leading midstream energy company; the acquisition adds 700 miles of gathering infrastructure and 1.2bcf/d processing capacity.
Market effects
Strengthens the natural gas gathering and processing segment, may lift peers in the Permian midstream space.
Positive for U.S. energy infrastructure investors, especially those focused on the Permian Basin.
Highlights continued capital allocation to U.S. midstream assets amid global energy demand growth.
Counterpoint
Deal financing via minority equity could signal balance sheet strain; integration risks may temper upside.
Key entities
- CompanyONEOK
U.S. midstream energy firm (NYSE: ONEOK).
- CompanyBrazos Midstream
Owner of Permian natural gas gathering and processing assets.
- Investment FirmApollo
Provider of $9bn minority equity investment to finance the deal.



