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Bentonite Powder

Bentonite Powder

Bentonite when stirred into water displays shear thinning properties in which it becomes thinner and less viscous. It therefore acts as a fluid when mechanically stressed, for example when shaken or stirred, yet it hardens in static conditions.


Bentonite is used for drilling fluids preparation. When mixing with water bentonite clay forms a viscous gelled suspension which serves as a basis for drilling fluid. During borehole construction, drilling fluid flushes the bore hole to clean it out from cuttings, lubricate and keep the drill bit cool. An important property of bentonite-based drilling fluid is that it ensures the borehole walls stability by mudding. When the drilling fluid circulation is stopped, the clay suspension prevents cuttings from subsidence; this prevents blocks in the boreholes. Specific feature of bentonite clay as a natural material and environmentally friendly.



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  • Drilling
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