Dilution Factor

Ratio of the actual volume of clean drilling fluid required to maintain a targeted drilled solids concentration to the volume of drilling fluid required to maintain the same drilled solids fraction over the same specified interval of footage with no drilled-solids removal system.

Source: API RP 13C, Recommended Practice on Drilling Fluids Processing Systems Evaluation, Upstream Segment, Fourth Edition, December 2010. Global Standards


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