Horse Hill Hydrocarbon Drilling and Flow Testing

Ms H Cuppleditch made this Freedom of Information request to Environment Agency

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Ms H Cuppleditch

Dear Environment Agency,

Please supply a full itinerary and list of the chemicals used at the Horse Hill hydrocarbon exploration site (Hookwood, near Horley, Surrey), including all chemicals used in the whole process from the drilling stage to the flow test stage (eg, biocides, oxygen scavengers, corrosion inhibitors, fluid loss additives etc).

Thank you in advance for your assistance.

Yours faithfully,

Ms H Cuppleditch

Enquiries, Unit, Environment Agency

5 Attachments

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Ms H Cuppleditch

Dear Enquiries, Unit,

I wrote to you with a Freedom of Information request on 20th June 2017 and am still awaiting your response.

By law, a response from the Environment Agency should have been provided within 20 working days (18th July 2017).

As this is a hydrocarbon site that is operational, and the drilling / flow testing has already taken place, I am certain the Environment Agency would have access to a full itinerary and list of the chemicals used at the Horse Hill exploration site.

Yours sincerely,

Ms H Cuppleditch

KSL Enquiries, Environment Agency

3 Attachments

Dear Ms Cuppleditch,

KSL 51141 - Freedom of Information request - Horse Hill Hydrocarbon
Drilling and Flow Testing

Thank you for your request for information that was received on 20 June
2017.

We respond to requests under the Freedom of Information Act 2000 and
Environmental Information Regulations 2004.  

 

To answer your query fully we have considered all applications received by
this operator to cover the original drilling phase to date. These were
permitted for use.

 

 1. Permit application EPR/BB3300XG/A001 (determined 15/07/2014)

 

Please find attached HSE-HH1-PD-04 RevA2, and associated HRA R.14292.001
Rev4, provided in support of the A001 permit application.

 

 2. Permit application EPR/BB3300XG/A002 - This application was withdrawn
and never determined, included here for clarity and completeness. We
no longer hold a copy of this application.

 

 3. Permit application EPR/BB3300XG/V003 (determined 27/11/2015)

 

Please find attached HSE-HH1-PD-04 Rev A6a - provided in support of the
V003 permit application.

 

During test operations carried out under this permit it is understood
that, due to extenuating circumstances, the chemical supplier was changed
on site. Therefore we required any updates from the agreed waste
management plan to be submitted for assessment. We reviewed of the updated
chemical inventory with the following comments:

 

·         Musol Solvent –not in the WMP. Has been assessed as
non-hazardous by the EA. No further action.

 

·         Sodium Chloride – this is in the WMP. No further action.

 

·         NF-6 – not in the WMP. Has been assessed as non-hazardous by the
EA. No further action.

 

·         HR-4L – not in the WMP. Has been assessed as non-hazardous by
the EA. No further action.

 

·         CFR-8L – not in the WMP. Has been assessed as non-hazardous by
the EA. No further action.

 

·         Baracarb – not in the WMP. Has been assessed as non-hazardous by
the EA. No further action.

 

·         Clear Gel – not in the WMP. Has been assessed as non-hazardous
by the EA. No further action.

 

·         SEM-8 Emulsifier – not in the WMP. Has been assessed as
non-hazardous by the EA. No further action.

 

·         Protekt 318– not in the WMP. Has been assessed as non-hazardous
by the EA. No further action.

 

 

 4. Permit application EPR/BB3300XG/V004 is currently under determination.

 

Our public consultation is open on the draft Environmental Permit for
Horse Hill Developments Ltd (HHDL).

 

Additionally, HHDL have applied for a Standard Rules Environmental Permit
to allow storage of oil at the site, which is not subject to the public
consultation and more information on this type of permit can be found at
the following link:

 

[1]https://www.gov.uk/government/publicatio...

 

If we grant the permit variation it would allow HHDL to:

 

o Drill a side-track off the existing well
o Carry out a an extended flow test to assess the economic viability of
developing the site for oil production
o Use an enclosed flare to burn any waste gases arising during the well
testing phase

 

However, please note that HHDL will still be expected to gain all relevant
regulatory approvals needed before any further testing activities can
start on site

 

The consultation is on-line and runs until 4 August 2017. I have included
the links to the consultation and below attached a copy of our press
release.

 

Via GOV.UK:
[2]https://www.gov.uk/government/publicatio...

 

Via Citizen
Space:[3]https://consult.environment-agency.gov.u...

 

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information we have provided under the Freedom of Information Act 2000 and
Environmental Information Regulations 2004 please contact us within two
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Kind Regards,

 

 

Customers & Engagement Team

Kent South London & East Sussex

 

Environment Agency | 0208 4746848 | Orchard House |  Endeavour Park |
London Road | West Malling | Kent | ME19 5SH

 

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From: Ms H Cuppleditch
[[8]mailto:[FOI #413226 email]]
Sent: 20 June 2017 11:24
To: Enquiries, Unit <[9][Environment Agency request email]>
Subject: 220617/SRi11 - Freedom of Information request - Horse Hill
Hydrocarbon Drilling and Flow Testing

 

Dear Environment Agency,

 

Please supply a full itinerary and list of the chemicals used at the Horse
Hill hydrocarbon exploration site (Hookwood, near Horley, Surrey),
including all chemicals used in the whole process from the drilling stage
to the flow test stage (eg, biocides, oxygen scavengers, corrosion
inhibitors, fluid loss additives etc).

 

Thank you in advance for your assistance.

 

Yours faithfully,

 

Ms H Cuppleditch

 

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