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General Introduction

The product is a high molecular weight copolymer whose main chains bear anionic, nonionic group, and cationic groups. It has the characteristics of small common dosage, good thermal stability, salinity and calcium resistance, and distinct effect in decreasing filtration loss.

Property index

Fig. 1 physical and chemical properties

Items

Index

moisture, %

≤9.0

pH

7.5 ~ 9.0

screenings ( 0.9mm ) , %

≤15.0

1 % water solution AV , mPa.s

≥30.0

Fig. 2 drilling fluid properties

Items

AV, mPa.s

PV,

mPa.s

FL,

mL

Fresh water with 4% bentonite

Base mud

8-10

3-5

22-26

2.0g/L sample to base sample

≥25

≥8

≤15

Composite salt water with 15% bentonite

Base mud

4-6

2-4

52-58

7.0g/L sample to mud

≥15

≥10

≤10

Saturated salt water

Saturated salt water mud base

4 ~ 8

3 ~ 5

100 ± 10

Fig.3 properties of inhibition of bentonite dispersion

Items

Rise after 160℃ heat rolling, %

4% bentonite mud +20gbentonite

450-700

4% bentonite mud +20gbentonite+sample

≤250.0

Characteristics

1. Excellent ability of cuttings carrying, keeping holes clean

2. Strong inhibition clay and shale from dispersion, preventing borehole wall from pollution

3. Good compatibility, convenient to use.

Method of application

Routine dosage is 0.3-1.5%, the specific dosage is up to condition under well.

Notes

This product should be stored in a cool, ventilated place to avoid the sun and rain.

Package

It is packed with plastic bag inside and compound bags outside, with net weight 25kg per bag.