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SPNH Lignite Resin for Drilling Fluid
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Filtration Reducer

Introduce

Product Description

SPNH is a kind of filtration control agent copolymerized by NHA and sulfomethylation phenolic resin. It can reduce viscosity and resist high temperature and salt so that it can be applied in various freshwater and saltwater drilling fluids. Its recommend dosage is 7.0 – 14.0ppb.

 

Technical Specification

Items

Specifications

Appearance

Black-brown powder

Moisture, %

≤18.0

Water Insoluble, %

≤12.0

pH

9.0-10.2

FLAPI, ml

Fresh water slurry

≤10.0

Sodium chloride slurry

≤15.0

FLHTHP, mL

Fresh water slurry

≤30.0

Sodium chloride slurry

≤35.0

AV, mPa·s

Fresh water slurry

≤15.0

Sodium chloride slurry

≤50.0

 

 

Features

It can resist high temperature, resist salt, reduce filtration loss, and shows good lubricant and inhibit performance.

It can form thin and resilient mud cake on the borehole, perform good lubricating effect and good rheological property.

It can resist high temperature up to 200 ℃, so that it can be applied in deep wells with high temperature.

 

Package and Storage

They shall be packaged in 25kg multi-wall paper sacks. They shall be stored in a shady, dry, and ventilated place.

 

Safety

They shall be avoided contact with eyes, skins and clothes, otherwise flush it with water. Handling methods and dangerous data shall be referred to MSDS.

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