Asset report

Ireland North Celtic Sea exploration basin

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Report summary

The North Celtic Sea Basin lies off the southeast coast of Ireland, extending through Saint George's Channel to Cardigan Bay. The basin is gas-prone, and the main reservoirs are Late Jurassic and Early Cretaceous sandstones. The Early Cretaceous Wealden Formation has proved to be the most attractive exploration target, including the large Kinsale Head gas field discovered in 1971. Although large areas remain unexplored, the basin is considered relatively mature and the with the main prospective areas are thought to be in the centre of the basin. Future exploration is expected to be on a relatively small scale, and carried out by companies already in the basin. In recent years, the introduction of more attractive fiscal terms has attracted smaller companies. Their primary focus has been on commercialising existing heavy oil discoveries, and participating in the Kinsale Head, Ballycotton and Seven Heads Gas fields.

What's included

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  • Document

    Ireland North Celtic

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    Ireland North Celtic Sea exploration basin

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    Ireland North Celtic Sea exploration basin

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Table of contents

Tables and charts

This report includes 23 images and tables including:


  • Exploration wells by play
  • Licensed exploration acreage
  • Expiry forecast of current licences
  • Drilling activity by well type
  • Discoveries and success rate
  • Exploration and appraisal spend
  • TYP value creation, spend and volume discovered
  • Outlook value creation, spend and YTF volume
  • Commerciality index
  • Mesozoic Shelf
  • Unit value of potential discoveries
  • Prospect breakeven prices


  • Key play data
  • Assumptions
  • Price assumptions
  • Key play characteristics
  • Top discoveries (TYP period)
  • Summary of discovery and development costs
  • Reserves and resources: Table 2
  • Mesozoic Shelf
  • Typical fiscal terms
  • Expected monetary value
  • Full cycle economics analysis

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