David is a principal geotechnical engineer with more than 20 years of operations and consulting experience in the mining and civil industries. Since joining Itasca in 2007, David has performed numerical back analyses and forward analyses for numerous open pit and underground mining operations around the world using Itasca software. David has also performed numerical analyses for several surface and underground civil infrastructure projects.
This hands-on, virtual training course is 16 hours total, spread over four days in a 1.5-week period, and covers the analysis of embankment dams using FLAC.
Mr Hebert is a geotechnical engineer with experience in both the mining and civil industries. He has provided consulting on many projects including underground mining (e.g. block cave mining, pillar stability), open pit mining, underground excavations (e.g. tunnels, caverns, nuclear waste storage) and dams.
Itasca has been involved in the real-time monitoring, post-processing and quality assurance of enhanced oil recovery projects using single and multi-stage hydraulic fracturing. Experience in the field includes a wide variety of completions, acquisition geometries and treatments, and employing novel processing techniques where necessary to improve the quality of information fed back to oil and gas reservoir stimulation design. As part of these services to the energy sector, Itasca runs a research and development program which has produced the development of advanced algorithms to locate seismic sources using geometrically limited arrays (such as geophone strings in a single borehole) and under low signal-to-noise conditions using wave polarization analysis, point-to-point raytracing, wavefront construction, and advanced filters for signal processing.
MS monitoring is now becoming a standard tool for evaluating the geometry and evolution of the fracture network induced during a given treatment, principally by locating hypocentres and visualizing these with respect to the treatment volume and infrastructure. The combination of microseismic monitoring and analysis with state-of-the-art geomechanical simulations offers a unique and powerful method of understanding in-situ rock mass behavior. The modeling allows predictions of the rock response to be made based on the properties obtained from laboratory experiments. The microseismic data is then collected in the field to validate the model. Appropriate refinements are made to the model to provide a realistic interpretation of the true behavior. This combination is essential for the concept of fracture network engineering (FNE) which involves the design, analysis, modeling, and monitoring of infield activities aimed at enhancing or minimizing rock mass disturbance. Itasca’s full integrated microseismic processing service provides:
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