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Timeline
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Action Needed
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As early as possible
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If there is a need to use explosives in abandonment operation, discussions should be held with JNCC/DESNZ as early as possible to give consideration to any habitats/species issues under the Habitats Regulations ![](https://oilandgasukenvironmentallegislation.co.uk/wp-content/uploads/2017/01/Howtodothis.png) |
As soon as need for suspension or abandonment known
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Summary of chemical use/discharge must be submitted to DESNZ using a Well Intervention Application (even if already covered in existing drilling (Drilling Operations Application, formerly PON15B) or decommissioning (Decommissioning Operations Application, formerly PON15E) submission. ![](https://oilandgasukenvironmentallegislation.co.uk/wp-content/uploads/2017/01/Howtodothis.png) |
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Any deliberate release of oil planned must be subject to a Oil Discharge Permit. Summary must be included in Well Intervention Application and this will trigger issue of the Oil Discharge Permit . |
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In exceptional circumstances a licence under Part II of FEPA may be required for deposits to the seabed (e.g. rock dumping to cover wellhead). Details should be submitted on a Well Intervention Application. ![](https://oilandgasukenvironmentallegislation.co.uk/wp-content/uploads/2017/01/Howtodothis.png) |
Well Suspension or Abandonment
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