Oil & Gas

July 28, 2023

Exxon’s Acquisition of Denbury

A Tale of Two Businesses, and Neither One Is Worth $4.9 Billion

ExxonMobil made waves in the energy M&A markets by announcing its acquisition of Denbury, Inc. Exxon paid somewhere between Denbury’s stock price and a slight premium depending on the timing and stock price fluctuations. In total, the headline value was around $4.9 billion, according to Exxon’s news release.

However, while Denbury is an energy company on the whole, it is made up of two main segments that have very different economics. First, its carbon capture utilization and storage segment (CCUS). Second, its upstream enhanced oil recovery segment. These two businesses, in many ways, represent Denbury’s journey over the last several years that have one foot in the carbon future and one foot in the oily past. Neither of their business segments appears to be worth the $4.9 billion price tag. So what did Exxon buy exactly, and how might one value it?

A quick look at some of the overall implied metrics related to the deal reveals some oddities compared to pure-play oil companies. As to CCUS transactions, there really have not been many to compare to, and certainly not at the scale that Denbury has achieved thus far. The table below was compiled based on figures from the announcement and Capital IQ data.

Just looking at the implied values relating to upstream multiples, the flowing barrel metric jumps out as high compared to most operators, especially with an EBITDA margin below 55%. This implies a higher multiple than much larger global companies such as BP, ConocoPhillips, and Occidental Petroleum—which does not make intuitive sense. On the other side of the equation, the value per mile of pipeline appears relatively high at first glance. This is considering management’s recent earnings call comments about construction costs being between $2 to $4 million per mile, coupled with the fact that the pipelines are not fully utilized yet. There clearly is a mix of segment-made contributions that drive different elements of the overall transaction price.

Denbury’s CCUS business represents the future of Denbury and embodies the key rationale for Exxon’s interest. Denbury has touted this segment, and most of its marketing, to investors centers on this aspect of its business. Its enthusiasm is apparent as its annual report spent almost all its focus on this area of the business. CCUS does represent a synergistic operational advantage for the company because Denbury has been one of the few upstream companies focusing on older, depleted fields that have lost what the industry calls “natural drive” and thus require incremental efforts to bring oil to the surface. Denbury’s solution to this challenge for a long time has been to inject its CO2 into the fields to create pressure and stimulate oil production.

However, the business model for a standalone CCUS business model is still relatively nascent, requiring hundreds of millions of dollars of investment and years before it could potentially reach cash flow sustainability separate from oil production activities. There’s already much in place now with 1,300 miles of pipeline and ten onshore sequestration sites, which was attractive to Exxon. However, things like the growth of offtake agreements, Section 45Q tax incentives (which I wrote about last year), and carbon storage contracts are not expected to generate net positive income for Denbury until several years in the future.

Nonetheless, this developmental potential and strategic location in the Gulf region have significantly contributed to Denbury’s stock price and Exxon’s interest. How much the CCUS is contributing to Denbury’s value is uncertain. But in an interesting article published a few days ago, Hart Energy interviewed Andrew Dittmar, a Director at Enverus, who estimated that (effectively) about 62% of Denbury’s value was based on their CCUS business. In the meantime, Denbury’s upstream enhanced oil recovery (EOR) business has been pulling the income statement’s performance along. Nearly all profits for Denbury are generated through this business line. However, compared to other public upstream companies, Denbury’s profitability is comparably lower, production is smaller, and production costs are higher. This is not a recipe for high comparative valuations, certainly not over $100 thousand per flowing barrel, which only the likes of Exxon and Chevron imply. (While we’re on the topic of segments, it is not a clean comparison either since Exxon and Chevron are two integrated companies with many segments that contribute to their values too).

Denbury is primarily a regional oil producer with less than 50 thousand barrels per day of production and EBITDA margins lower than many public oil companies. To its credit, Denbury does have lower decline rates than other companies due to the maturity of the fields they produce from. However, the flip side is that it costs $35-$39 per barrel to produce. Those are expensive lease operating costs when many companies operate somewhere in the teens per barrel. All that said, Enverus’s estimate in their Hart Energy interview was that the EOR business contributed about 38% of Denbury’s value. So, if Enverus’s analysis is to be applied here, that would put an adjusted value on Denbury’s production at around $39,000 per barrel and an adjusted value per pipeline mile of around $2.3 million. Take a look at these “adjusted” figures:

Under this scenario, Denbury’s upstream business would potentially be slotted in with public regional upstream producers with characteristics closer to: (i) under 200 thousand barrels per day of production and (ii) EBITDAX margins under 60%. Companies like Chord Energy (a Bakken-focused producer), Callon Petroleum (a smaller Permian operator), or maybe even Enerplus (another Bakken-focused producer) come to mind. Additionally, the value per mile of pipeline drifts down to the lower end of the construction estimate range, which also appears to be more realistic. Of course, this value depends on commodity expectations, regulatory stability, and execution of Denbury’s plan. Exxon appears to be optimistic about it. Whether or not Denbury’s shareholders will be remains to be seen.


Originally appeared on Forbes.com.

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Mercer Capital Sponsors ASA Houston’s 2026 Energy Valuation Conference
Mercer Capital Sponsors ASA Houston’s 2026 Energy Valuation Conference
Mercer Capital is pleased to serve as a Gold Sponsor of the 2026 Energy Valuation Conference, hosted by the Houston Chapter of the American Society of Appraisers. The conference will take place on Thursday, May 14, 2026, at The Briar Club in Houston, Texas, with both in-person attendance and live webcast options available. Bryce Erickson, ASA, MRICS; J. David Smith, CFA, ASA; and Andrew B. Frew, ASA, ABV, will attend on behalf of Mercer Capital.Now in its 16th year, the Energy Valuation Conference brings together appraisers, accountants, financial analysts, petroleum engineers, and many other professionals working across the energy sector. The conference is designed as a multi-disciplinary forum addressing valuation techniques and issues across the energy industry, including upstream, midstream, downstream, renewables, power generation, tax, governance, and emerging market considerations.This year’s program will address a range of current valuation topics affecting the energy industry, including energy transition, transaction activity, capital markets, and valuation considerations across upstream, midstream, and downstream sectors.Bryce Erickson is a Managing Director at Mercer Capital and leads the firm’s energy industry practice. Since 1998, he has led approximately one thousand engagements across diverse purposes, including gift and estate tax planning, litigation support, mergers and acquisitions, buyouts, buy-sell agreements, financial reporting, purchase price allocation, financing, and business planning. He regularly publishes on oil and gas industry topics in Mercer Capital’s Energy Valuation Insights blog. He is also a contributor to Forbes.com’s Energy sector.J. David Smith is a Senior Vice President at Mercer Capital and a senior member of the firm’s energy practice. He provides valuation services for tax planning, transactional purposes, and financial reporting. David is also a regular contributor to Mercer Capital’s Energy Valuation Insights blog.Andrew B. Frew is a Vice President at Mercer Capital and has nearly 25 years of business valuation experience. He has been involved with hundreds of valuation and related engagements across numerous industries and values businesses and business interests for gift and estate tax, charitable giving, buy/sell agreements, mergers and acquisitions, business succession and exit planning, and litigation support purposes. Andy also contributes regularly to Mercer Capital’s Energy Valuation Insights blog.Mercer Capital works with energy companies, mineral and royalty owners, oilfield services businesses, investors, attorneys, accountants, and other advisors on valuation and financial advisory matters. The firm provides business valuation, asset valuation, litigation support, transaction advisory, financial reporting valuation, and tax valuation services across the energy sector, helping clients address complex financial questions with clear, independent, and well-supported analysis.Mercer Capital looks forward to supporting the conference and connecting with energy valuation professionals and industry leaders in Houston. Additional information about the 2026 Energy Valuation Conference is available at https://energyvaluationconference.org/.For more information about Mercer Capital’s experience and expertise in the oil & gas sector, visit https://mercercapital.com/industries/energy-power/oil-gas/.
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Eagle Ford // The Eagle Ford exhibited modest production growth over the past year, broadly in line with other major basins, as output remained within a relatively narrow range. This stability reflects the basin’s maturity, with limited variability in production despite declining rig counts and continued capital discipline among operators.
Just Released: Q1 2026 Oil & Gas Industry Newsletter
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The Eagle Ford exhibited modest production growth over the past year, broadly in line with other major basins, as output remained within a relatively narrow range. This stability reflects the basin’s maturity, with limited variability in production despite declining rig counts and continued capital discipline among operators.

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