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Function of Poly Anionic Cellulose (PAC) in drilling fluidHigh substitution degree,good substitution evenness,high transparency,controllable viscosity and lower water loss Suitable for all kinds of water based slurry fresh water,sea water or saturated... More
We are a professional supplier of new and used(rebuilt) drill bits used for oil filed, waterwell. Including tricone bits,PDC bits and drill pipe.Various of model and dimension available.Good condition and reasonable... More
