Upstream Oil Gas A&D Deals 2026: Deal Flow, Basin Valuations, and What Operators Are Watching

The US upstream A&D market has run hot in 2026. More than $38 billion in announced or closed deals in the first five months of the year tells a story beyond opportunism. Operators are making deliberate inventory bets at $90-$100 WTI, private equity is continuing its exit cycle, and the consolidation that reshaped the sector in 2024 has given way to a second, more targeted wave of upstream oil gas A&D deals in 2026.

This tracker covers the primary deal activity, valuation signals, and basin implications for operators, investors, and landmen watching where capital is moving.

The 2026 Pace in Context

US crude production hit approximately 13.7 million barrels per day in March 2026, according to EIA data, a record run rate that reflects the multi-year capital deployment cycle following the 2021-2022 price recovery. At that production level, operators have the cash flow to fund acquisitions without stretching balance sheets, and lenders are increasingly supportive given borrowing base tailwinds from $90-$100 WTI.

The broader consolidation context matters. The 2024 supermajor wave: ExxonMobil's $60 billion Pioneer acquisition, ConocoPhillips closing Marathon Oil in November 2024, effectively removed the largest independent targets from the market. What's left in 2026 is structurally different: mid-cap deals, non-op acquisitions, and bolt-ons that expand existing basin positions rather than redefine them.

Upstream Oil Gas A&D Deals 2026: Major Transactions

Devon Energy + Coterra Energy merger (closed May 7, 2026): The year's largest domestic upstream transaction. The combined entity creates a 750,000+ boe/d operator with exposure to the Permian Delaware Basin, Anadarko Basin, Marcellus, and Eagle Ford. The deal closed at an implied enterprise value reflecting roughly $90-95 WTI deck assumptions, consistent with the mid-cycle valuation discipline operators have signaled in Q1 2026 earnings. CIR covered this transaction in depth; see our analysis of what the Devon-Coterra close means for Delaware Basin completion contractors and service company procurement.

Devon Energy + Bureau of Land Management Delaware Basin acquisition ($2.6 billion, May 2026): In the weeks after closing the Coterra merger, Devon made a second move: a $2.6 billion acquisition of BLM leasehold in the Delaware Basin. Per Devon's 8-K filing, the deal adds approximately 250,000 net acres and expands the combined entity's Delaware Basin inventory by roughly 1,400 locations. The timing signals that management believes sub-$100 WTI doesn't impair the economics of long-cycle Delaware Basin development.

Northern Oil and Gas Duvernay acquisition (CA$350 million, closed June 2, 2026): NOG closed its acquisition of a 25% working interest in the Duvernay Shale in Alberta, Canada, from Parallax Energy. Per NOG's 8-K filed June 2, 2026, the deal marks the company's first international non-operated acquisition. Sub-$50 breakeven economics underpinned the deal thesis. For a non-operator that built its model on Permian and Williston Basin positions, a Canadian liquids-rich gas play represents a meaningful strategic pivot.

SM Energy — $419 million debt retirement (June 2026): Not an acquisition, but a signal: SM Energy redeemed its 6.75% Senior Notes due 2026 in early June, clearing the second tranche of legacy Civitas integration debt in three weeks. A&D activity often follows balance sheet cleanup; companies that retire expensive legacy debt gain acquisition capacity. SM is a name to watch for bolt-on activity in the Permian and DJ Basin in H2 2026.

Valuation Signals: What Operators Are Paying

CIR Analysis: The 2026 deal cohort has transacted at valuations consistent with a $85-$95 long-run WTI assumption, not the spot price and not the $60-$70 stress-test floor some financial advisors were using in 2023-2024. That's a meaningful shift.

Several data points suggest where buyers are pricing deals:

• Devon's BLM acquisition at $2.6 billion for ~250,000 net acres implies roughly $10,400/acre, in line with recent Delaware Basin precedents, not premium
• NOG's Duvernay deal at CA$350 million for a 25% WI in a sub-$50 breakeven play prices in commodity conservatism with upside optionality
• Permian Resources achieved investment grade credit status in Q1 2026 after its acquisition-fueled growth phase, suggesting the market is rewarding operators that completed their consolidation and moved to financial optimization

The signal: acquirers are not pricing deals at spot WTI. They're building in commodity risk at $85-$90 long-run, which means deals pencil out without requiring today's price environment to persist.

Basin-by-Basin Activity

Permian Basin (Delaware and Midland): Still the primary destination for US upstream capital. Devon's BLM deal confirms the Delaware Basin inventory thesis hasn't run out of room. ExxonMobil continues to integrate Pioneer assets at scale. Permian Resources reached investment grade, a landmark for a company that spent 2022-2024 building through acquisition. CIR's Permian rig count tracker shows sustained drilling activity even as WTI pulled back from $100+ peaks in early May.

Appalachian Basin: Quiet on M&A in 2026 after Expand Energy absorbed Southwestern Energy in late 2024. EQT and Expand Energy have been focused on integration and debt management rather than acquisition mode. The LNG demand thesis, with Commonwealth LNG's $13 billion FID in May 2026 as the clearest signal, supports Appalachian valuations but hasn't yet triggered a new deal wave.

International / Canada: NOG's Duvernay acquisition stands out as the most notable cross-border move. The deal reflects both the maturity of the US non-op market (fewer large available packages at reasonable valuations) and the pricing differential between Canadian liquids-rich gas assets and equivalent US plays.

Non-Operator Buyers and the PE Exit Cycle

Northern Oil and Gas has become one of the most active non-operator acquirers in US upstream. Its Duvernay deal follows a pattern: buy working interests in low-breakeven assets from operators or private equity sponsors who want liquidity without giving up operatorship. NOG's model works at $85-$95 WTI and doesn't require running its own completions or drilling programs.

CIR Analysis: Private equity exit activity has been the structural driver of deal flow since 2021. Sponsors who built Permian and Delaware Basin positions at $35-$50 WTI in 2020-2021 have been selling into a $90-$110 price environment. The question heading into H2 2026: has the PE exit pipeline thinned, or are there another round of mid-size packages that haven't yet come to market.

For more on how the 2026 deal pace compares to historical consolidation cycles, see CIR's May analysis of $38 billion in 2026 upstream M&A and what it signals about operator confidence.

What To Watch in H2 2026

• Permian non-op packages: Several mid-size Delaware Basin non-op packages are known to be in market. Watch for NOG, Viper Energy (VNOM), and Kimbell Royalty Partners (KRP) as likely buyers
• Haynesville consolidation: Commonwealth LNG's FID creates a clear demand pull for Haynesville supply. Smaller Haynesville operators (some still private equity-backed) represent logical acquisition targets for Expand Energy or a strategic buyer
• SM Energy bolt-on: With Civitas integration debt cleared, SM's Permian and DJ Basin positions are well-hedged and investment-grade eligible. A DJ Basin or Permian Delaware bolt-on would fit the capital allocation pattern
• International creep: NOG's Duvernay deal opened a door. Watch whether other US-focused non-operators look at Canadian liquids plays as US bid-ask spreads tighten
• RBL borrowing base outcomes: The spring 2026 redetermination cycle at $95-$100 WTI has been largely positive for mid-size E&Ps. Higher borrowing bases give operators more acquisition capital without equity dilution

Crude Intelligence Report is an independent upstream oil and gas intelligence publication. The content is for informational purposes only and does not constitute investment advice, financial advice, or a recommendation to buy or sell any security. Always conduct your own due diligence before making investment decisions. CIR and its contributors may hold positions in companies mentioned; any such positions will be disclosed when known. © 2026 Crude Intelligence Report. All rights reserved.