What happened: On Nov. 3, SM Energy Company and Civitas Resources, Inc. announced they will merge in an all-stock deal valued at approximately $12.8 billion. This merger combines two major shale operators with significant Permian Basin holdings, and signals continued long-term development in the Permian.

Why it matters: The transaction is structured as SM Energy’s acquisition of Civitas, valued at $8.02 billion on its own. This marks the biggest energy merger of the year, creating one of the largest independent oil and gas producers in the U.S., about 40% larger than EOG Resources’ $5.6 billion acquisition of Encino Acquisition Partners.

The big picture: The combined entity will control approximately 823,000 net acres, with a significant presence in the Midland Basin. Analysts project free cash flow of more than $1.4 billion in 2025, supporting commitments to debt reduction and a fixed quarterly dividend of $0.20 per share. The companies also expect about $200 million in annual savings once operations are fully integrated.

  • SM Energy operates in Texas and Utah, with a long-established presence in the Midland Basin. The company focuses on multi-zone development, efficient well completions and water management. Its 111,000-acre Midland position has been a steady contributor to West Texas output.
  • Civitas Resources holds assets in the Permian and the Denver-Julesburg Basin. Formed in 2021, Civitas has grown quickly and emphasizes reduced emissions, water recycling and other sustainability measures. In the Permian, its wells produce roughly 179,000 barrels of oil equivalent per day.

Go deeper: For Midland, this merger delivers a stronger operator with deeper resources and enhanced technical capabilities. The combined company pledges to uphold high standards in sustainability, operational safety, and community stewardship.

  • Civitas shareholders will receive 1.45 shares of SM Energy stock for each Civitas share.
  • The combined company will keep the SM Energy name and remain publicly traded on the NYSE.
  • Ownership will be split roughly 52% to Civitas shareholders and 48% to SM Energy shareholders.
  • The deal was unanimously approved by both boards and is expected to close in Q1 2026, pending regulatory and shareholder approval.
  • The new board will have 11 members, six from SM Energy and five from Civitas. Herb Vogel will continue as CEO.
  • Free cash flow will be directed toward debt reduction, with a leverage target of ~1.0x net debt by late 2027, based on $65 oil and $3.50 natural gas.

What they’re saying: “This strategic combination creates a leading oil and gas company with enhanced scale, numerous value-adding synergies, and significant free cash flow, driving superior value to stockholders,” SM Energy CEO Herb Vogel said in a press release.

“By combining our strong technical teams and complementary assets, we gain scale, sharpen our competitive edge, and strengthen our ability to responsibly produce energy that contributes to energy security and prosperity,” Civitas interim CEO Wouter van Kempen said.

What’s next: Stakeholders should watch for regulatory and shareholder approvals through closing in Q1 2026, along with updates on integration, leadership, and operations.