[Oil & Gas Observer] Upstream oil and gas companies reignite wave of restructuring and integration

The restructuring and integration of upstream oil and gas operations reflects the industry’s ongoing efforts to enhance competitiveness and promote sustainable development. A series of mergers and acquisitions reveals marked regional differences in resource integration. In North America, independent oil and gas companies operating in major shale oil and gas basins are accelerating consolidation. According to Warwick Investment Group, the number of U.S.-listed shale oil and gas exploration companies has declined by 50—approximately 40% of the total number of listed firms—over the past six years. To further realize economies of scale in shale oil and gas development, geographic proximity of resources, as well as synergies in drilling, technology, and capital, have become key considerations for transacting parties. In Europe, major international oil companies and independent producers place greater emphasis on strategic self-positioning, seeking to become leading regional oil and gas producers through asset restructuring. On May 31, Harbour Energy—the UK’s largest North Sea oil and gas producer—announced it will complete its acquisition of Germany’s Wintershall Dea in Q4 2024. The upstream portfolios of the two companies show virtually no overlap. Linda Cook, CEO of Harbour Energy, stated that the acquisition aims to position Harbour Energy as a distinctive, large-scale, and diversified independent oil and gas company. Harbour Energy’s existing assets are concentrated primarily in the UK, with a daily production of approximately 200,000 barrels of oil equivalent (boe). In contrast, Wintershall Dea’s upstream portfolio spans conventional, unconventional, and deepwater resources across Europe, Latin America, and North Africa. Post-merger, the combined company’s daily production is expected to exceed 500,000 boe. Meanwhile, Harbour Energy’s consolidated operating cost per boe is projected to fall from $16 to $11. By 2030, its greenhouse gas emission intensity per boe is expected to decline from 19 kg CO₂-equivalent to 15 kg—laying a long-term resource foundation for the company’s response to the energy transition and pursuit of energy security. National oil companies in the Middle East, meanwhile, pursue internationalization strategies by acquiring minority stakes in upstream projects outside their home countries, thereby diversifying their upstream resource portfolios. On May 22, Abu Dhabi National Oil Company (ADNOC) announced its acquisition of a 10% stake in Block 4 of the Rovuma Basin in Mozambique from Portuguese firm Galp Energia. This marks ADNOC’s first strategic investment in Africa. ADNOC is committed to investing in world-class mega-gas projects to strengthen its global integrated natural gas business and advance its internationalization strategy. Beyond supporting ADNOC’s natural gas strategy, the Rovuma Basin Block 4 LNG project—featuring modular, low-carbon power supply design—also aligns with ADNOC’s net-zero emissions target for 2045. Since August 2023, ADNOC has initiated overseas natural gas investments by acquiring a 30% stake in Azerbaijan’s Absheron gas field and an 11.7% stake in Phase 1 of NextDecade’s Rio Grande LNG project in the United States. ADNOC plans to invest $13 billion over the next five years in domestic and international natural gas and LNG businesses, aiming to more than double its LNG production capacity by 2028.

Eni seeks to spin off oil and gas projects

For years, Eni Group has pursued a development approach to traditional and green energy distinct from that of other major international oil and gas companies. This Italian energy giant is divesting or forming joint ventures for its internationally operated oil and gas assets, while grouping certain low-carbon initiatives and projects into separate, standalone companies. Central to these spin-offs—and to what Eni calls its “satellite strategy”—is the balance sheet independence of each resulting entity. Francesco Gattei, Eni’s Chief Financial Officer, told Reuters: “The satellite model is a method we’ve established to secure additional funding sources—meeting demand for traditional products while simultaneously developing new, more environmentally sustainable ones.” For instance, at the end of last year, Eni agreed to sell a 9% stake in its low-carbon energy subsidiary Plenity, valued at approximately $10.8 billion (€10 billion). Plenity operates across the power generation market—including renewable energy, energy sales, energy solutions, and an extensive network of electric vehicle charging points. Last month, the Italian group also reached an agreement with UK-based major oil and gas producer Ithaca Energy to merge most of Eni’s upstream assets in the UK—excluding those in the East Irish Sea and carbon capture, utilization, and storage (CCUS) activities—“a strategic move significantly strengthening its presence on the UK Continental Shelf.”

Ithaca Energy CEO Luciano Vasques to step down

12 hours ago

Ithaca Energy confirmed CEO Luciano Vasques will retire by March 2027, triggering a succession search. During his tenure, the company expanded its portfolio through Eni UK acquisitions and nearly tripled share value.

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Ithaca Energy CEO Luciano Vasques to step down

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