Adapting oil and gas drilling techniques for the mining industry with dewatering well placement technology

Rowland, A.; Bester, M.; Boland, Michele; Cintolesi, Christian; Dowling, Jeremy

doi:10.17159/2411-9717/2017/v117n3a24

J. South. Afr. Inst. Min. Metall.

2017

DOI: 10.17159/2411-9717/2017/v117n3a24

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Adapting oil and gas drilling techniques for the mining industry with dewatering well placement technology

A. Rowland¹,

M. Bester²,

Michele Boland³

et al.

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“…Pilot directional dewatering wells in hard-rock mining environments in the USA and Mexico have demonstrated significant benefits, such as better control of groundwater inflow, improved in-pit safety, and fewer disruptions to operations compared to conventional dewatering. Directional dewatering wells produce up to two orders of magnitude more groundwater than in-pit vertical wells (Rowland et al, 2016).…”

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A technology map to facilitate the process of mine modernization throughout the mining cycle

Jacobs

Webber-Youngman

2017

J. South. Afr. Inst. Min. Metall.

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The global mining industry is currently under pressure and is at the bottom of the largest mining supercycle since the Second World War (Bryant, 2011). Mining companies face everincreasing challenges to profitability due to low commodity prices, increasingly tough mining conditions, and rising pressure from stakeholders (Deloite, 2014). In the short term, the decreased commodity prices have been straining cash flows, while in the longer term many existing mines are maturing, thereby resulting in the extraction of lower ore grades and longer haul distances from the excavation face. Orebody replacement rates are also declining and the duration of development for new mines is increasing. Added to this, worldwide mining operations are up to 28% less productive today than they were a decade ago, and that is after adjusting for declining ore grades (McKinsey, 2015a).Depleting ore reserves and declining ore grades in existing operations also means that companies are required to mine deeper to reach new deposits, which in turn increases costs and results in reduced profits. Since the start of the 21st century, over 75% of new base metal discoveries have been at depths greater than 300 m (Deloite, 2014), highlighting both the gradual depletion of shallower reserves and the need for deeper mining. However, mining at these depths involves additional challenges, such as safety issues, flooding, gas discharges, seismic events, and ventilation problems (Deloite, 2014).Apart from the fact that mining operations are now deeper, the geology is also more challenging and mines operate at higher risk. The result is that continuous business improvement alone is no longer sufficient for companies to survive (Deloitte, 2016 A technology map to facilitate the process of mine modernization throughout the mining cycle by J. Jacobs* and R.C.W. Webber-Youngman* It is vital for organizations and individual operations to have access to a platform with technology-related information to consider for further research and development. This paper presents a technology map that was created with the purpose of facilitating mine modernization through technological advancement throughout the mining lifecycle/cycle. To achieve this, a platform was created to represent the mining lifecycle that incorporates each of the mining phases, i.e. exploration, project evaluation, mine design, operations, closure, and post-closure phases. The constituent value drivers for each phase were then investigated and included. These covered the various focus areas within the mining cycle, such as the applicable sub-phases, processes, systems, activities, or specific challenges, that impact a mine's operation.Technologies, both physical and digital, with the potential to add value to these focus areas were then incorporated into the platform to create a technology map. This potential to add value, if applied or modified for application, was assessed on any combination of five factors, namely the ability to increase production, increase productivity, increase efficiency,...

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confidence: 99%

A technology map to facilitate the process of mine modernization throughout the mining cycle

Jacobs

Webber-Youngman

2017

J. South. Afr. Inst. Min. Metall.

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Adapting oil and gas drilling techniques for the mining industry with dewatering well placement technology

Cited by 1 publication

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A technology map to facilitate the process of mine modernization throughout the mining cycle

A technology map to facilitate the process of mine modernization throughout the mining cycle

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