Mincon Group Plc Update on Hydraulic DTH System (9697D)
October 15 2018 - 2:00AM
UK Regulatory
TIDMMCON
RNS Number : 9697D
Mincon Group Plc
15 October 2018
Mincon Group plc
Update on the Mincon Hydraulic DTH system
Mincon Group plc (ESM: MIO AIM:MCON), the Irish engineering
group specialising in the design, manufacture, sale and servicing
of rock drilling tools and associated products , today provides an
update on the ongoing development project for its hydraulic DTH
hammer system ("Greenhammer").
As set out in the interim results the Mincon hydraulic DTH
system is on site in Australia for testing on a customer's rig. The
components of the hydraulic system were fitted on the customer rig
at the testing site, pressure tests were run and the system came up
to specification as engineered. The hydraulic connections were
made, the tanks were fitted and the connections to the rig systems
successfully coupled.
However the final component attachment, where the drill string
is attached to the mast became problematic due to issues with the
connection of the threads on the receiving end of the mast, and the
pipe.
After several attempts the threads were damaged, and the testing
team now need to design and build a more robust thread to
accommodate the torque that will be applied through this
connection. Tolerances levels are quite narrow, and energy levels
applied are high, so small mismatches or damage can cause a risk
multiplier effect of failure now and in the future.
While it is not expected to present a major issue or require any
substantial amendments to the hydraulic systems more generally, the
redesign of these threads may cause a delay of some weeks until the
rig is available to be refitted again. The rest of the system
remains on the rig ,though disconnected, until the drill string
attachment for the mast is engineered to at least the level now
required.
The system was disconnected and the rig restored to its original
functionality in fourteen hours, which satisfied another
requirement of the test programme.
Mincon intends to release its next interim Trading Update at 7am
on Friday 26 October, 2018.
ENDS
For further information, please contact:
Mincon Group plc
Joe Purcell Chief Executive Officer
Tel: +353 (61) 361 099
Peter E. Lynch Chief Operating Officer
Davy Corporate Finance ( Nominated Adviser and ESM Adviser)
Anthony Farrell Tel: +353 (1) 679 6363
Daragh O'Reilly
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END
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