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General Introduction

Double-poly ammonium salt is generated by the polymerization and hydrolysis of acrylonitrile. It has the characteristics of small dosage, strong inhibitive ability, salinity and high temperature resistance.

Properties

Fig. 1 drilling fluid property

Items

Index

Fresh water base mud

FL , m L

25±2.0

AV , m Pa·s

6 ~ 10

Fresh water base mud and double-poly ammonium salt

FL , m L

≤ 18.0

AV , m Pa·s

≤ 15.0

Salt water base mud

FL , m L

55±3.0

AV , m Pa·s

4 ~ 8

Salt water base mud and double-poly ammonium salt

FL , m L

≤ 35.0

AV , m Pa·s

≤ 15.0

Fig.2 chemical and physical property

Items

Index

Appearance

Free-flowing powder and particle

Loss after drying ,%

≤ 15.0

Ammonium content ,%

≥5.0

Ignition residue ,%

≤ 4.0

Characteristics

1. Strong inhibitive ability, good anti-caving effective, keep hole regular, reduce pipe sticking

2. Improve mud cake quality, reduce filtration loss.

3. Have little influence on rheology behavior of drilling fluid

4. Strong salinity resistance, suitable in saturated salt water.

5. Good compatibility

6. No toxicity no pollution, meeting environmental requirements

Notes

1. Routine dosage is 0.2-2.0%

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

Package

It is packed in kraft paper sacks, with net weight 25kg per sack.