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UK Oil & Gas PLC - Licence Extensions on PEDL331 and PEDL143

Tue, 20th Aug 2019 07:00

RNS Number : 5506J
UK Oil & Gas PLC
20 August 2019

 UK Oil & Gas PLC

("UKOG" or the "Company")


Licence Extensions on PEDL331 Arreton and PEDL143 "A24" Prospect


UK Oil & Gas PLC (London AIM: UKOG) is pleased to announce that the Oil and Gas Authority ("OGA") has granted two-year extensions to the initial terms of the Company's operated PEDL331 (UKOG 95%, Isle of Wight, Arreton oil discovery) and PEDL143 (UKOG 67.5%, northern Weald, "A24" prospect) licences. The initial terms will now end on 20 July 2023 (PEDL331) and 30 September 2022 (PEDL143), respectively. The Company expects that these extensions will permit its previously reported multiple well appraisal and exploration drilling campaign to be conducted and completed fully within both licences' initial term.


Isle of Wight PEDL331 "Arreton Oil Discovery"


The Isle of Wight PEDL331 Arreton licence is, in the Company's view, one of UKOG's premier appraisal stage assets, which, as per the Company's 2018 Competent Person's Report ("CPR"), contains 14.9 million barrels ("mmbbl") of UKOG net P50 case recoverable Contingent Resources within the Arreton oil discovery, plus a further 10 mmbbl of net recoverable Prospective Resources in the geological look-alike Arreton South and North prospects.  Drilling of the Arreton-3/3z appraisal well and extended flow test is now scheduled to commence in Autumn 2020, subject to the grant of necessary regulatory consents. 


As further set out in the Company's 2018 Re-Admission document, the Arreton South and North prospects contain aggregate P50 Portland oil in place of 77.2 mmbbl, more than twice as much as the Company's flagship Horse Hill Portland oil field (UKOG 85.635% interest). Further significant upside in both prospects is calculated to lie within the underlying Inferior Oolite sequence.


UKOG's subsurface team have also recently identified a further large undrilled anticlinal structure, the Arreton East Prospect, another look-alike to the Arreton discovery and lying further to the east along the same geological trend. Initial mapping shows this feature to be many times larger than both the Arreton oil discovery and Arreton South prospect combined. Further work and potential recoverable resources will be reported in due course.


Following completion of Arreton-3/3z, the Company currently plans to proceed directly to drill Arreton South, and if regulatory permissions are in place, to proceed directly to drill Arreton East in the winter of 2020/21. Autumn/Winter drilling is designed deliberately to avoid the island's tourist season.


PEDL143 "A24" Prospect


The licence lies immediately to the west of the Company's Horse Hill licences (UKOG 85.635%) and contains the significant "A24" Portland and Kimmeridge oil prospect, a direct geological look-alike to the Company's Horse Hill oil field, situated on-trend some 8km to the east. Several smaller prospects of similar size to the nearby Brockham Portland oil field have also been identified. Multiple potential new drilling sites outside the nearby Area of Outstanding Natural Beauty are under evaluation and drilling is now scheduled to follow directly after the completion of the Company's 9-well 2019/2020 drilling programme, subject to the grant of necessary regulatory approvals.


Stephen Sanderson, UKOG's Chief Executive, commented:


"These extensions, on key appraisal and exploration assets, will permit UKOG to carry out its stated multi-well drilling campaign within the initial term of both licences. The identification of a further large undrilled Portland structure on trend with the Arreton oil discovery makes the Isle of Wight asset even more attractive than before and fully justifies our increase in ownership of PEDL331."


Qualified Person's Statement

Matt Cartwright, UKOG's Commercial Director, who has over 35 years of relevant experience in the global oil industry, has approved the information contained in this announcement. Mr Cartwright is a Chartered Engineer and member of the Society of Petroleum Engineers.



For further information, please contact:


UK Oil & Gas PLC

Stephen Sanderson / Kiran Morzaria                                                      Tel: 01483 900582


WH Ireland Ltd (Nominated Adviser and Broker)

James Joyce / James Sinclair-Ford                                                           Tel: 020 7220 1666


Cenkos Securities PLC (Joint Broker)

Joe Nally / Neil McDonald                                                                         Tel: 0207 397 8919


Novum Securities (Joint Broker)                                                                                                              

John Bellis                                                                                                     Tel: 020 7399 9400


Public Relations

Brian Alexander                                                                                               Tel: 01483 900582





Contingent Resources

those quantities of petroleum estimated, as of a given date, to be potentially recoverable from known accumulations, but the applied project(s) are not yet considered mature enough for commercial development due to one or more contingencies. Contingent Resources may include, for example, projects for which there are currently no viable markets, or where commercial recovery is dependent on technology under development, or where evaluation of the accumulation is insufficient to clearly assess commerciality. Contingent Resources are further categorised in accordance with the level of certainty associated with the estimates and may be sub-classified based on project maturity and/or characterised by their economic status


a petroleum accumulation for which one or several exploratory wells have established through testing, sampling and/or logging the existence of a significant quantity of potentially moveable hydrocarbons

extended well test

a well test, as per the permission granted by the Oil and Gas Authority, with an aggregate flow period duration over each zone of greater than 96 hours; the objective being to establish whether a discovery is commercially viable and the optimal methods of future production and recovery

oil in place

the quantity of oil or petroleum that is estimated to exist originally in naturally occurring accumulations before any extraction or production


a 50% probability that a stated volume will be equalled or exceeded


a project associated with a potential accumulation that is sufficiently well defined to represent a viable drilling target

Prospective Resources

those quantities of petroleum estimated, as of a given date, to be potentially recoverable from undiscovered accumulations by application of future development projects. Prospective Resources have both an associated chance of discovery and chance of development

oil field

an accumulation, pool or group of pools of oil in the subsurface that produces oil to surface

well test

or flow test involves testing a well by flowing hydrocarbons to surface, typically through a test separator; key measured parameters are oil and gas flow rates, downhole pressure and surface pressure. The overall objective is to identify the well's capacity to produce hydrocarbons at a commercial flow rate.


UKOG Licence Interests


The Company has interests in the following UK licences:




UKOG Interest

Licence Holder


Area (km)





UKOG (GB) Limited

IGas Energy Plc


Field currently temporarily shut in

Broadford Bridge/Loxley/Godley Bridge 



UKOG (234) Ltd 

UKOG (234) Ltd 


BB-1/1z oil discovery, Loxley-1 gas appraisal well planning application submitted







Finalising new site selection to drill Portland and Kimmeridge prospects




UKOG (GB) Limited

IGas Energy Plc


Field in stable production

Horse Hill 



Horse Hill Developments Ltd 

Horse Hill Developments Ltd 


Production tests ongoing, two further appraisal wells scheduled for 2019

Horse Hill 



Horse Hill Developments Ltd 

Horse Hill Developments Ltd 


As above

Isle of Wight (Onshore) 






Preparing planning submission for Arreton-3 oil appraisal well and Arreton South exploration well

Markwells Wood



UKOG (GB) Limited

UKOG (GB) Limited


MW-1 P&A




1.  Oil field currently in stable production.

2.  Oil discovery pending development and/or appraisal drilling.

3.  Exploration asset with drillable prospects and leads.

4.  Contains the Broadford Bridge-1/1z Kimmeridge oil discovery, the eastern extension of the Godley Bridge Portland gas discovery plus further undrilled Kimmeridge exploration prospects.

5.  Oil field with three productive and commercially viable zones, EWT ongoing, further drilling campaign scheduled, development underway subject to grant of planning consent expected in Q3 2019.

6.  UKOG has a direct 77.9% interest in HHDL, which has a 65% interest in PEDL137 and PEDL246.

7.  OGA consent received for the transfer of operatorship from Europa to UKOG

8.  Gas discovery pending appraisal drilling and development with underlying Kimmeridge potential


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

This information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact or visit
Date   Source Headline
3rd Aug 20204:41 pmRNSSecond Price Monitoring Extn
3rd Aug 20204:35 pmRNSPrice Monitoring Extension
3rd Aug 20204:16 pmRNSLoxley Planning Consent Meeting to be Rerun
30th Jul 20202:06 pmRNSSecond Price Monitoring Extn
30th Jul 20202:00 pmRNSPrice Monitoring Extension

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