Category: Geothermal

Why a single source of truth has more than one advantage for the mining industry

Centralising all your data on one platform – such as Leapfrog Central – will dramatically improve your review process. But it also has a far-reaching and beneficial impact on your company culture, argues Seequent Senior Technical Leader Julia Oliveira.

It wasn’t so very long ago that if we needed to review models in the mining industry we would have to send pen drives from the mine to the head office – by plane. Imagine that! If you have to send data by plane, you have a problem.

Leapfrog Central

Even putting data on a server and then downloading it somehow seems too complicated in 2018 for something that should be simple and fluid. It’s also open to error. Centralising all your data on one platform gives you security, reliable version control, and makes sure everyone is working from the same model and can track its history.

But what’s meaningful about centralisation for me – particularly about using Leapfrog Central – is that it’s not just about process. It can also be about inspiration, recognition and better work. Because what’s surprising is that when you introduce new technology you can also introduce a new culture; a better, modern and more effective culture that can inspire your geologists to do more.

To get there you have to realise that talking to users and talking to managers about centralisation are two very different conversations.

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A New Dawn on the Data Horizon. Is the Energy Sector now facing their digital challenges?

Data and information management challenges are well documented and known across most industries. Where are files stored? How is information accessed? Is data up to date and reliable? Even adequate systems, processes and habits tend to devolve over time as roles and businesses change. The age of digital doesn’t seem to make things easier, but rather harder as we grapple with trying to knit the old with the new.

To discuss these big data challenges facing the energy sector today and what can be done about them, we spoke to Jeremy O’Brien Geothermal Energy Business Manager at Seequent, and Chris Hanton Technical Sales Executive at Perigon.

 

geothermal-ipoint

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The Geothermal Modelling Workflow from Conceptual Model to Flow Model

By Seequent Product Director of Energy, Brennan Williams

Based on the feedback from our current Leapfrog Geothermal users over the last 12 months, we have been working to advance the workflow between the conceptual geological model and the numeric flow model in Leapfrog Geothermal.

With the release of Leapfrog Geothermal 3.6, a TOUGH2 flow model with an unstructured grid can now be created, on to which the geological model rock types and also fault rock types are evaluated. The TOUGH2 model can then be exported and run in the flow simulator.

Geological model with faults and wells

Figure 1: Geological model with faults and wells

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WING Visibility Scholarship applications now open!

In April, we announced Seequent has signed on as the first Global Visibility Partner for Women in Geothermal (WING).

Founded in 2013, WING now has around 1000 members in 48 country teams in geothermal hotspots around the world from New Zealand to El Salvador to Denmark.

As WING’s Visibility Partner, we are proud to be sponsoring this year’s Visibility Scholarship.

Andrea (Andy) Blair, Global Chairman of WING, says: “Women need to be visible, in positions of influence, making decisions and leading, and serving as role models for those wanting to step into these roles too. We thought it was a really good fit to have Seequent as our partner in this area given their Leapfrog Geothermal software, used by many in the industry, provides the tools to enable visualisation and provide clarity.”

Open to all WING members, the scholarship will support speaking at the New Zealand Geothermal Conference in November. Seequent will provide flights, accommodation and conference registration for the successful applicant, chosen from conference abstracts screened by WING and Seequent.

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Our impact on the Geothermal industry

We offer a product suite with modelling capabilities for many industries, including Leapfrog Geothermal for the geothermal energy sector.

Geothermal energy is heat from the earth

Geothermal energy is now being harnessed by regions world-wide as an affordable, clean, and sustainable energy source. The interactive map below shows the geothermal 2017 electrical generating capacities per country:

Data from ThinkGeoenergy. This interactive heat-map was created using the free program OpenSourceMap. 

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Optimum performance with Leapfrog projects

By Tim Schurr

Have you noticed the “.aproj_data” folder that always appears along-side your Leapfrog project file?

 aproj_data-folder in Leapfrog Geo

If you’ve ever had to move or copy a project to another location, you’ve probably come across it, opened folder using explorer and discovered a whole raft of sub-folders and files and thought “What’s all of this?  Is this really my Leapfrog project?”

.aproj_data folder beside Leapfrog project

In this article, I will explain the reason why Leapfrog saves projects in seemingly such a bizarre way, then I’ll give you a couple of tricks on how to get the best performance and reliability out of your Leapfrog projects.

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Predictions at locations where there are no measurements

By Richard Lane

A key feature problem in geological modelling is how to take scattered measurements and use these to make predictions at locations where there are no measurements. The data may be measurements on the surface, or samples taken from drilling, or channel samples taken while excavating. Figure 1 shows the basic problem. Solving this problem is fundamental to how Leapfrog software works, and it underpins the geological and mineralization models that are produced.

Figure 1: A simple scattered data problem. Estimate the value at the red cross from the blue samples.

Figure 1: A simple scattered data problem. Estimate the value at the red cross from the blue samples.

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Interpolation and anisotropy

By Kirk Spragg

Introduction

In addition to interpolation, Leapfrog provides two tools that give the user control over the continuity of grade in their interpolants. These are the “Global Trend” and the more advanced “Structural Trend”.

The Global Trend can be effectively used to alter the results of an interpolant.  The Global Trend  is suitable to use in situations where the underlying geology implies that grade is continuous in a planar direction over large distances. If this is not the case, and the underlying geology implies that direction of grade continuity varies over space, then Leapfrog’s Structural Trend is a more appropriate tool to use when modelling your deposit or ore body.

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Is expensive video hardware for Leapfrog worth the cost?

By Kirk Spragg

The retail cost of video hardware is not a reliable guide to how well Leapfrog’s 3D visualisation functionality performs on that hardware. The more expensive workstation grade hardware solutions such as NVIDIA’s Quadro range of desktop cards are designed to accelerate operations that Leapfrog does not use. As a result, the 3D performance in Leapfrog is often no better than less expensive gaming and home grade video hardware.

In this post Applications Specialist Kirk Spragg compares five home and gaming grade video cards with a workstation grade Quadro 4000 by benchmarking the cards to determine their relative performance.

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Leapfrog interpolation basics

By Kirk Spragg

Introduction

The Leapfrog software suite uses a mathematical method called interpolation to produce dynamic implicit models.  An interpolation tool, FastRBF™ has been specifically developed by ARANZ Geo. FastRBF™ has revolutionised the way geologists produce geological models, as it dramatically speeds up the process and allows models to be updated dynamically. Although the mathematical details of how FastRBF™ works are somewhat complicated, the basic idea is relatively simple. This blog explains the process using simple examples.

Interpolation is a method that produces an estimate or “interpolated value” of a quantity which is not known at a point X say but is known at other points such as from drillhole data.  With the user’s expert guidance, Leapfrog uses FastRBF™ to “interpolate” or fill in the gaps where there is no data.  This is how Leapfrog creates deposits, intrusions and grade shells from the user’s data. Since FastRBF™ is fast, results can be quickly updated when new data is added, ensuring the implicit model is dynamic.

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