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ToolsField Drilling ToolsCore Logging

Core Recovery Calculator

Calculate Rock Quality Designation (RQD), Total Core Recovery (TCR) and Solid Core Recovery (SCR) for rock core logging.

Last updated 26 January 2025

Total length of core run attempted.

Total length of all recovered core pieces.

Sum of intact, unbroken core pieces.

Total length of core pieces ≥100mm.