Definition(s)


Water-Based Hydraulic Fluid

A control liquid mixture composed mainly of water with additives to provide lubricity, anti-foaming, anti-freeze, anti-corrosion and anti-bacterial characteristics.

Source: API SPEC 16D, Specification for Control Systems for Drilling Well Control Equipment and Control Systems for Diverter Equipment, Upstream Segment, Second Edition, July 2004. Global Standards

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