- Rock drilling tool supplier Mincon Group said it expected commissioning of a new hydraulic hammering system to take several months and include the need to make engineering refinements.

The so-called Greenhammer, in a 12-inch size, had been installed on its first rig with a customer in Australia.

Commissioning would involve trailing and improving the integrity and robustness of the system, the company said.

'Initial speeds and ground penetration levels to date have been in line with our expectations, and we have started to gather the data sets from each drilling hole,' Mincon said.

'This process will continue for a further week, following which we expect to complete the complete physical breakdown of the components to examine and test wear throughout the system.'

'All data and the system components will then be brought off-site to be analysed over the Christmas period.'

Some engineering refinements were expected to be required that would require 'minor rework' to continue the process of building reliability and sustainability, Mincon said.

'After this current programme of drilling, we will return to the rig in the new year for the next stage of the engineering commissioning in the field,' it added.

'In light of the engineering commissioning completed to date, our confidence is growing that the system is viable, commercially practicable, and will represent a significant step forward for Mincon when it is released for commercial deployment.'

At 9:28am: [LON:MCON] Mincon Group Plc share price was +2p at 108p

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