Global M&A | Global Upstream deal-making in December 2025 – a summary
Ten deals were announced in December 2025, continuing the strong end to the year. The monthly spend level was also the second highest of the…
Read MoreWelligence UK M&A | Harbour Energy acquires Waldorf Production
Harbour Energy’s acquisition of Waldorf Production’s UK North Sea assets reshapes the company’s portfolio and tax profile. The transaction deepens exposure to the operated Catcher…
Read MoreWelligence UK M&A | TotalEnergies merges UK business with NEO NEXT
UK North Sea M&A accelerates as TotalEnergies merges its UK upstream portfolio with NEO NEXT, creating NEO NEXT+. The combined business becomes the largest oil…
Read MoreGlobal M&A | Global Upstream deal-making in November 2025 – a summary
Ten deals were announced in November 2025, a big step up from the prior month and above the rolling 12-month average. There were no large…
Read MoreOffshore Electrification Sinks in the New Tide of Upstream Decarbonization
Offshore electrification in the North Sea is becoming increasingly uneconomic, even with Norwegian carbon prices reaching 237 USD/ton by 2030, pushing Norway and the UK…
Read MoreUK M&A | Perenco acquires 50% stake in Blythe & Elgood
Perenco’s M&A move in the Southern North Sea adds a 50% operated stake in the Blythe and Elgood gas fields. It acquires the interest from…
Read MoreGlobal M&A | Global Upstream deal-making in October 2025 – a summary
Just three transactions were announced in October 2025, half the rolling 12-month average. Serica Energy and Tenaz Energy continued their respective expansion drives in the…
Read MoreWelligence Global | Unconventional Hydrocarbon Activity Update
This note reviews the emerging role of international unconventional hydrocarbons alongside deepwater as a source of future supply growth, summarizing current activity and status across…
Read MoreWelligence Global Q3 2025 M&A Quarterly | Has global deal-making reached a nadir?
Around US$17 billion was spent on M&A globally in Q3, across 37 transactions. Spend was the lowest quarterly average of the post-Covid era. North America…
Read MoreUK M&A | Serica Energy to acquire bp’s Culzean interest
UK North Sea M&A momentum continues as Serica Energy agrees to acquire bp’s non-operated stake in the Culzean gas-condensate field. The deal is for a…
Read More