Plains All American Pipeline, L.P.; Plains GP Holdings: Plains to Acquire Powder River Basin Assets from Silver Creek Midstream
Plains All American Pipeline, L.P. (PAA) and Plains GP Holdings (PAGP) announced a $585 million acquisition of Silver Creek Midstream's Powder River Basin assets. The deal includes 600 miles of pipelines, 350,000 barrels per day of capacity, and 1.2 million barrels of storage. The acquisition is expected to close in Q4 2026, subject to regulatory approvals.
How this was made

The 30-second read
Why it matters
The acquisition expands Plains' gathering network, adds 600 miles of pipelines and 350k bpd capacity, and is expected to drive earnings and cash flow growth.
Market read
The deal is material for Plains' growth strategy and may influence midstream sector sentiment.
What to watch
Regulatory clearance risk and integration costs could delay benefits.
Background
Plains All American Pipeline (PAA) and its GP (PAGP) disclosed a definitive agreement to acquire Silver Creek's Powder River Basin assets for $585M.
Ticker impact
Plains All American Pipeline announced a $585M acquisition of Silver Creek assets, expanding its Powder River Basin footprint.
Likely modest share price appreciation on deal completion expectations.
Large cash deal at attractive IRR, strategic fit, and immediate earnings/cash flow benefits.
Plains GP Holdings, the GP of Plains, co‑announced the same $585M acquisition, strengthening its underlying partnership assets.
Shares may rise modestly as investors price in the acquisition benefits.
Deal expands asset base and cash flow, supporting higher distributions.
Market effects
Strengthens midstream oil infrastructure sector, may boost peers with similar exposure.
Adds capacity in the Powder River Basin, supporting regional crude producers.
Limited to US midstream sector, no broad global impact.
Counterpoint
Deal price may be high if oil prices decline, potentially eroding expected returns.
Key entities
- CompanyPlains All American Pipeline, L.P.
US midstream energy MLP acquiring Silver Creek assets.
- CompanyPlains GP Holdings
General partner of Plains All American Pipeline.
- CompanySilver Creek (SCM PR II, LLC)
Owner of Powder River Basin gathering system.
