Insight

US upstream in brief: Ascent targeted as Appalachia M&A heats up

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The US week in brief report highlights the need-to-know events from US upstream. It is a rolling document, continuously updated with our own analysis and opinion on events impacting the sector. Coverage includes US onshore and Gulf of Mexico. Sources for the news stories include company press releases, industry events, press coverage, and our own modelling changes. The facts are presented, but more importantly we discuss implications for our modelling.

Table of contents

  • Ascent targeted as Appalachia M&A heats up
  • Alaska Nanushuk prepares for the spotlight
  • ICYMI: Results from the first GoA lease sale in two years
  • Tokyo Gas keeps up growth trajectory
  • Antero and Infinity increase concentration with US$4 billion in Appalachian deals
  • ExxonMobil provides updated Permian outlook
  • Uinta momentum
  • Western Haynesville research feedback
  • Chevron unveils proprietary Permian chemical treatments
  • ICYMI: Lower 48 outlook for 2026 highlights gas momentum
  • ICYMI: Lower 48 play research updates
  • Alaska lease sales haul in US$18.4 million
  • 22 more item(s)...

Tables and charts

This report includes the following images and tables:

    Top oil producing wells in Ohio Q3 2025Top 10 gas producing wells in Ohio Q3 2025Aggregate well level production for identified Nanushuk reservoir formation targets
    Top 12 companies by spend for BBG1 compared to spend from Lease Sale 261 (2023)*Recent HG and Antero well results in Doddridge and Lewis countiesUinta and Powder River liquids productionChemically enhanced uplift in new treatment wells versus control wellsAnnual leasing trendsNorth Slope area 2025 leasing mapTime normalized production by well from Lens L48Argentina's Vaca Muerta North Hub area with Los Toldos II Oeste acreage highlighted
  • 13 more item(s)...

What's included

This report contains:

  • Document

    US upstream in brief: Ascent targeted as Appalachia M&A heats up

    PDF 6.79 MB

  • Document

    2025 December 16 GOM Deepwater Dashboard.pdf

    PDF 249.98 KB