Coro Energy PLC - Tambak-1 Operational Update
("Coro" or the "Company")
Tambak-1 Operational Update
Tambak-1, located approximately 4.5 km north of the Mako South-1 well, has been drilled to an intermediate depth of 513 metres true vertical depth sub-sea ("TVDSS"). The well has intersected the intra-Muda reservoir of the Mako field and a full suite of wireline logs have been acquired together with a pressure survey and extensive fluid and gas samples recovered. These data have established the well as a successfull appraisal of the Mako gas field and confirm the large, areally extensive single tank model for the field.
· Top reservoir depth came in at circa 389 metres TVDSS as predicted
· A very well developed upper sandstone unit of approximately 5.2 metres with wireline logs showing excellent porosity & permeabilities
· The well encountered a much better developed intra-Muda sand package than expected. In addition to the upper unit, a thick, lower sandstone unit of almost 20 metres was found, providing an overall gross thickness of approximately 25 metres of intra-Muda sandstone, compared to a 7.3 metre reservoir sandstone seen in Mako South-1, providing volumetric upside potential for the field
· Pressure data confirm the same pressure system as Mako South-1 and Tambak-2
· Gas samples recovered from the reservoir confirm gas composition as seen in Mako South-1
· Gas-water contact found in the main upper sandstone unit circa 1.5 metres deeper than Mako South-1 and Tambak-2
As previously reported, the Tambak-1 well is designed as both an appraisal of the northeast flank of the Mako gas field as well as an exploration test of the Tambak prospect. An independent review by
Coro management estimate that an increase in 2C resources of circa 100 Bcf is justified from the results of the successful appraisal drilling in both Tambak-1 and -2, representing a very significant value addition.
As a next step, the well will be drilled to a total depth of approximately 1,370 metres TVDSS in order to test the potential of the deeper Tambak prospect. Coro estimate Tambak as having a mid-case prospective resource potential of 250 Bcf and a geological chance of success of 45%. The Tambak-1 well is planned to be plugged and abandoned once operations are complete.
Further announcements will be made, as appropriate. Coro remains fully funded for its share of costs associated with the drilling campaign.
The information communicated within this announcement is deemed to constitute inside information as stipulated under the Market Abuse Regulations (EU) No. 596/2014. Upon the publication of this announcement, this inside information is now considered to be in the public domain.
For further information please contact:
Cenkos Securities plc (Nominated Adviser)
Tel: 44 (0)20 7397 8900
Tel: 44 (0)20 7390 0230
Tel: 44 (0)20 3167 7221
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Tel: 44 (0)20 3621 4120
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The information contained in this announcement has been reviewed by Coro Energy's South East Asian Business Manager and Geologist
The volumes included in this announcement are in accordance with SPE standards. Bcf means billion standard cubic feet; and MMboe means million barrels of oil equivalent.
This information is provided by RNS, the news service of the
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