UK drills first carbon storage appraisal well

  • Gas
  • October 14, 2025

The UK’s carbon storage industry has reached a milestone with the drilling of an appraisal well on the Hewett field, in the Southern North Sea, for the Bacton CCS project.

It is the first carbon storage appraisal well to be drilled on acreage licensed by the North Sea Transition Authority (NSTA) as part of the carbon storage licensing round in 2023.

The appraisal well, operated by global energy company Eni, is an important step towards assessing the carbon storage potential of the UK continental shelf (UKCS).

The basin has up to 78 gigatonnes of potential storage capacity in depleted reservoirs and saline aquifers, enough to sequester all the CO2 emitted in the UK ‘since the industrial revolution’, according to an NSTA statement.

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