SPNH is a kind of filtration control agent compounded by NHA and sulfomethylation phenolic resin. It can decrease viscosity and resist temperature and salt so that it can be applied in variuos drilling fluids. SPNH owns the characteristics of reducing HTHP fluid loss, salt-resistant, calcium-resistant etc, and plays a great role in consolidating well wall, preventing collapsing and stucking. Its common dosage is 2.0%-4.0%. Feature: It can stand high-temperature, resist salt, reduce filtration loss, and lubricate some parts. Thin and resilient mud cake can be appeared on the borehole to have a good lubricating effect and a good rheological property. It can stand 200�C so that it can be applied in deep wells with high temperature. Package and Storage
They are packaged in a triple sack with the lined bag. Each sack is 25kg. And they shall be stored in shady, dry and place with good ventilation.
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Trade Leads Directory -> All Trade Leads -> Chemicals -> Petroleum Products: Others -> Oilfiel chemical lignite resin SPNH
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