TIDMUKOG

RNS Number : 1899Y

UK Oil & Gas PLC

03 May 2023

UK Oil & Gas PLC

("UKOG" or the "Company")

Turkey: Pinarova-1 Update

UK Oil & Gas PLC (London AIM: UKOG) is pleased to announce that Pinarova-1 has reached its final depth of 600 metres below surface. Electric logs over both the 95/8 inch cased hole and 8 1/2 inch open hole section have been acquired and the delivery of a final log interpretation is awaited.

Plans are now being made to run a conventional selective cased hole flow test operation. The proposed uppermost zone, from approximately 255-285 metres, corresponds to a 12-hour period of strong oil odour at surface and the recovery of light c. 38˚ API oil within fluids returned to surface from the same depth. The sourcing of suitable perforating guns to run in the 95/8 inch casing is currently underway.

A sample of the oil recovered from Pinarova (as detailed above) along with samples of the 41.7˚ API oil recovered from the active seismic shot-hole seep (see RNS of 11th January 2023 and 30th June 2022) and 43˚ API oil from the nearby East Sadak field, have now also been dispatched to the UK for detailed geochemical study.

The oil study's primary objectives are to determine; a. whether the Pinarova oil sample matches the oil from the shot-hole seep, b. whether it's derived from the same general Upper Jurassic source as E. Sadak or c. it has another origin from shallower Cretaceous origin. The geochemical results will assist the Company's current investigations into the possibility that a deeper light oil accumulation may also exist below the Pinarova area within Cretaceous limestones.

Pinarova-1, located 6 km north of the Basur-1 oil discovery, was designed to test a working hypothesis, supported by well and seismic data, that the active 41.7˚ API light oil seep found last summer in a seismic shot hole above the Pinarova structure, is directly fed by and connected to an underlying light oil accumulation of some 9 km(2) areal extent within the Hoya limestones, which lie between c. 300-645 metres below surface.

UKOG holds a 50% non-operated interest in Pinarova-1 and the surrounding 305 km(2) Resan licence, which also includes the as yet undeveloped Basur-1 light oil discovery.

Qualified Person's Statement

Matt Cartwright, UKOG's Commercial Director, who has 39 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 / Allen D Howard                   Tel: 01483 941493 
    WH Ireland Ltd (Nominated Adviser and Broker) 
    James Joyce / Andrew de Andrade/James Bavister     Tel: 020 7220 
                                                        1666 
    Communications 
    Brian Alexander                                    Tel: 01483 941493 
 
 

Glossary

 
 degAPI              a measure of the density of crude oil, as defined 
                      by the American Petroleum Institute 
 discovery           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 
                    -------------------------------------------------------- 
 drill cuttings      small chips of rock of a few millimetres or smaller 
                      diameter that are produced from the cutting and 
                      grinding action of the drill bit against the rock 
                      formation and which are brought to surface within 
                      the drilling fluid or mud. 
                    -------------------------------------------------------- 
 limestone           a sedimentary rock predominantly composed of calcite 
                      (a crystalline mineral form of calcium carbonate) 
                      of organic, chemical or detrital origin. 
                    -------------------------------------------------------- 
 oil pay             a reservoir or portion of a reservoir that contains 
                      economically producible hydrocarbons. The term 
                      derives from the fact that it is capable of "paying" 
                      an income. 
                    -------------------------------------------------------- 
 oil seep            a natural flow of crude oil at or close to the 
                      earth's surface whose origin is from a petroleum 
                      accumulation or oil source rock at depth. 
                    -------------------------------------------------------- 
 oil shows           The presence of visible moveable oil on drill 
                      cuttings and or within the drilling fluid seen 
                      at surface 
                    -------------------------------------------------------- 
 seismic amplitude   a measure of the seismic reflection strength at 
                      a given subsurface interface 
                    -------------------------------------------------------- 
 seismic amplitude   a seismic amplitude that is either higher or lower 
  anomaly             than the general amplitudes seen elsewhere at 
                      the same geological interface indicating a possible 
                      lateral change in rock properties resulting from 
                      a possible change in rock fluid content i.e., 
                      the presence of hydrocarbons and or lithology 
                      and or porosity. 
                    -------------------------------------------------------- 
 shot hole           a shallow borehole in which a small amount of 
                      explosive is detonated in order to generate a 
                      seismic signal 
                    -------------------------------------------------------- 
 swabbing,           a basic testing procedure using an array of rubber 
  swab test           swabbing cups attached to heavy wireline within 
                      production tubing. When the swabbing cups are 
                      moved repeatedly upwards this creates a suction 
                      or basic pumping effect in the tubing which can 
                      reduce/unload the head of fluids adjacent to the 
                      reservoir which can induce inflow from the formation 
                      into the well. Swabbing was used at UKOG's Horse 
                      Hill field in 2016 to induce flow from both the 
                      Kimmeridge and Portland zones. 
                    -------------------------------------------------------- 
 

The information contained within this announcement is deemed to constitute inside information as stipulated under the retained EU law version of the Market Abuse Regulation (EU) No. 596/2014 (the "UK MAR") which is part of UK law by virtue of the European Union (Withdrawal) Act 2018. The information is disclosed in accordance with the Company's obligations under Article 17 of the UK MAR. Upon the publication of this announcement, this inside information is now considered to be in the public domain.

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END

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May 03, 2023 02:00 ET (06:00 GMT)

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