Gunsynd PLC - Horse Hill Update
RNS Number : 7926W
Gunsynd PLC
03 August 2018
 

 

Gunsynd PLC

("Gunsynd" or the "Company")

 

Completion of Portland High Rate Flow Test

 Horse Hill-1 ("HH-1") oil discovery, Weald Basin, UK

 

Highlights:

 

·     Portland short-term high rate tests achieve stable implied equivalent daily pumped rates of 401 and 414 barrels of oil per day ("bopd") of dry 36 API oil over two periods of 6 and 2 hours, respectively. Maximum instantaneous half-hourly pumped rates of 441 and 470 bopd.

·     The maximum rate recorded was limited by the rod pump's maximum rate capacity of approximately 470 bopd. Higher capacity rod pump sourced and mobilised for use at HH-1.

·     Metered daily oil rates and recovered Portland volumes, to date, exceed 2016 test values.

·     Associated solution gas rates of around 41,000 cu ft per day.

·     Forward extended well test ("EWT") programme includes flow optimisation necessary to determine the maximum sustainable long-term flow rate and a lengthy stabilised flow period to test whether the well accesses a commercially viable oil volume.

·     The primary EWT objective, to establish the commerciality of the Kimmeridge Limestone 3 & 4 oil pools, will follow directly after the completion of the Portland test sequence.

Gunsynd (London AIM: PRIM) announces that Horse Hill Developments Ltd, the operator of the HH-1 Kimmeridge and Portland oil discovery, located in licence PEDL137, in which Gunsynd holds a 1.3% beneficial interest, has informed the Company that the planned high rate Portland test sequence, designed to assess the reservoir's maximum short-term flow capacity, has been successfully completed. Stable implied daily pumped rates of 401 and 414 bopd of dry 36 API oil were recorded over two periods of 6 and 2 hours, respectively, with associated maximum half-hourly pumped rates of 441 and 470 bopd. Metered solution gas rates of around 41,000 cu ft per day were recorded through the test separator over the two maximum rate periods.

As maximum initial rates were restricted by the pump's capacity of around 470 bopd, a larger capacity pump has been sourced and has been mobilised to site for possible use during the remainder of the Portland test sequence.

To date, the recorded implied daily oil rates and overall produced Portland oil volumes exceed those reported from the initial short-term test programme of March 2016. The "dry" Portland oil exported from the HH-1 EWT to date is of Brent Crude quality and exceeds minimum refinery specifications, containing only around 0.2% water content.

It should be noted that the above high rate results are not the long-term sustainable flow rates that will be utilised to assess the Portland's commercial viability as part of the next test phase.

Forward EWT Plans

 

Following a planned further short restricted flow period and pressure build up test, flow will be further optimised to determine the well's sustainable long-term production rate and to test whether the well can recover a commercially viable volume of oil. 

The primary EWT objective of testing the two underlying Kimmeridge Limestone 3 & 4 oil pools, which in 2016 flowed 40 API crude naturally to surface at an aggregate implied stable dry oil rate of 1,365 bopd, will commence directly after completion of the Portland test.

Further updates will be provided as the EWT progresses.   

The information contained within this announcement is deemed by the Company to constitute inside information under the Market Abuse Regulation (EU) No. 596/2014.

 

The directors of Gunsynd accept responsibility for this announcement.

 

For further information, please contact:

 

Gunsynd plc

Hamish Harris

 

+44 20 7440 0640

Cairn Financial Advisers LLP

James Caithie / Liam Murray

 

+44 20 7213 0880

Peterhouse Corporate Finance

Lucy Williams

 

+44 20 7469 0930

 

 


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