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LAS data
Recent development in Maptek Eureka uses downhole geophysics to automatically detect coal seams. LAS data relating to drillholes is imported, and parameters are set to auto assign downhole intervals based on the change in properties of differing material types. Coal is generally less radioactive than its host rocks and softer than overburden, making it identifiable using gamma and density logs.
It is therefore possible to automate what has been a time consuming manual process. Single or multiple traces can be viewed beside the drillholes in 3D (above), providing confidence in the method. Once the seams have been identified automatically, manual edits can be performed easily using on-screen handles (below).
Using the geological modelling tools in Eureka, roof and floor surfaces of each seam can then be created to give an accurate reference for charge placement in Maptek Blastlogic.
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Más información sobre este producto consulte en: http://www.maptek.com/forge/march_2015/eureka_automatically_detected_coal_seams.html