Carboxymethyl Starch CMS-I for Drilling Fluid

General introduction

?  Carboxymethyl Starch CMS-I for Drilling Fluid is water soluble product after alkalization of starch and etherification of chloracetic acid . It can effectively control filtration loss of fresh water and salt water drilling fluids. It has the characteristics of being easily degradable. azymic, and little influence on rheology behavior.

Property index

Fig. 1 physical and chemical property

Items

Index

Appearance

Free flowing powder

Moisture ， %

≤15.0

screenings （ 0.45mm ）， %

≤10.0

Fig. 2 drilling fluid property

Items

Index

4% salt water

A.V , mPa·S

≤15.0

FL ， m L

≤15.0

Saturated salt water

A V , mPa·S

≤12.0

FL ， m L

≤15.0

Features

1. It can effectively reduce filtration loss of fresh water and salt water drilling fluids.

2. Good compatibility with other additives.

3. No toxicity.

4. Routine dosage is 0.3~0.5%.

Notes

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

Package

It is packed in composite paper sacks, with net weight 25kg per sa ck.