News Release

Operators boost inventory quality and cut costs in Powder River, Anadarko and Williston Basins

Longer laterals, disciplined spacing and targeted completions are key drivers of improved economics and inventory quality in major U.S. oil plays

byEnverus

CALGARY, Alberta (Nov. 4, 2025) Enverus Intelligence® Research (EIR), a subsidiary of Enverus, the most trusted energy-dedicated SaaS company that leverages generative AI across its solutions, is releasing new research that reveals how leading operators are adapting strategies and technologies to unlock value and extend inventory life across the Powder River, Anadarko and Williston Basins.

Operators in these three major U.S. basins are increasingly turning to longer laterals, disciplined spacing and targeted completions to drive down costs and improve breakeven economics.

“Our latest research shows that the Powder River, Anadarko and Williston Basins are at a pivotal moment. Operators are leveraging longer laterals, conservative spacing strategies and targeted completions to maximize returns and extend the productive life of these plays,” said Ryan Hill, CFA, P.Eng., principal analyst at EIR.

“Notably, nearly 40% of remaining inventory in each play now breaks even below $55 per barrel, with some intervals achieving breakevens as low as $30–$40 per barrel.”

Key takeaways:

  • Longer laterals drive efficiency: Across all three basins, the shift to 3-mile and even 4-mile laterals is delivering 10–20% per-foot cost savings, with some operators posting breakevens below $50 per barrel.
  • Inventory quality and upside: The Powder River Niobrara and Anadarko Basin each hold hundreds of sub-$50/bbl locations, with semi-conventional intervals in Powder River breaking even in the $30–$50/bbl range. The Williston Basin, despite a year-over-year drop in locations, still offers nearly 7,500 remaining sites, with 40% breaking even below $55/bbl.
  • Spacing and parent-child relationships: Operators are mitigating parent-child well degradation in the Powder by upspacing and co-completing pads, resulting in up to 20% improvements in recoveries. In the Anadarko Basin, spacing discipline and targeted completions have improved economics in secondary intervals such as the Springer, which now achieves breakevens as low as $31/bbl.
  • Redevelopment and undercompleted upside: In the Williston Basin, undercompleted wells outnumber remaining inventory, with more than 8,000 candidates identified. Infill development continues to outperform refracs, offering less volatility and stronger returns.
  • Regional activity and expansion: The Western Anadarko Basin and extensional areas of the Williston are seeing increased activity, with private operators overcoming historical sentiment and driving new development.
2025 PV-10 Oil-Directed Cost Curve - 76,000 Sub-$50 Breakeven Locations infographic
Y/Y PV-10 North American Oil-Directed Cost Curve infographic

EIR’s analysis pulls from a variety of products including Enverus PRISM, Enverus FOUNDATIONS®, Enverus Mosaic and Enverus Instant Analyst™.

Learn more about Enverus’ Ideas to Execution: Comprehensive Solutions for Oil and Gas Asset Development.

EIR research reports cannot be distributed without a scheduled interview. If you have questions or are interested in obtaining a copy of this report, please use our Request Media Interview button to schedule an interview with one of our expert analysts.

About Enverus Intelligence® Research
Enverus Intelligence ® | Research, Inc. (EIR) is a subsidiary of Enverus that publishes energy-sector research focused on the oil, natural gas, power and renewable industries. EIR publishes reports including asset and company valuations, resource assessments, technical evaluations and macro-economic forecasts; and helps make intelligent connections for energy industry participants, service companies and capital providers worldwide. Enverus is the most trusted, energy-dedicated SaaS company, with a platform built to create value from generative AI, offering real-time access to analytics, insights and benchmark cost and revenue data sourced from our partnerships to 95% of U.S. energy producers, and more than 40,000 suppliers. Learn more at Enverus.com.

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