Vulcan Coal Quality Models

Maptekâ„¢ Vulcanâ„¢ contains effective tools which enable geologists to create and update coal quality models.

Updating geological models for structurally complex or multi seam coal deposits can prove challenging. Using Vulcan techniques appropriately will create robust coal quality models that stand up to review and regulatory audits.

Validation

Database validation is an essential stage. Maptekâ„¢ Vulcanâ„¢ includes comprehensive tools for collar and downhole checks, and coal quality variables. Tools exist for checking individual fields, data ranges and outliers, as well as along-record checks on the sum of multiple values. Checks should be made for overlapping samples and for mismatches between lithology and quality tables.

Compositing

A critical aspect of compositing is to weight the samples – by length for RD, by mass for raw qualities, and by mass and yield for washed product qualities.

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• Vulcan coal quality models