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Dongying Dayong Petroleum Additives Co., Ltd. 


       Add:Yongli Road, Kenli County, Dongying City
       Tel/Fax:+86-546-8741911
       Phone: +86-18654646911
        E-mail:dysyhy@126.com
        Code:257500

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Category

Product name:

Zwitterionic polymer strong coating agent

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Sample application
Sample application
Product description

This product is made up of a variety of vinyl monomers, containing a variety of anions and organic quaternary ammonium cations. Its special structure has strong coating effect in low solid phase non-dispersible water-based drilling fluid, and has a thickening effect. It has good colloidal stability and temperature and salt resistance, and can effectively inhibit the hydration pulping and shear thinning characteristics of shale. It can be applied to freshwater and compound brine drilling fluid systems.

Technical Index:

Table 1 physical and chemical index

Description

Index

Appearance  

White or yellow powder

1% aqueous solution apparentness

 

≥30.0

Water content

≤9.0

Finenessselected by 0.9mm aperture standard sieve

≤15.0

1% aqueous solution ph

7.5-9.0

Table2 performance index of drilling liquid

Description

Apparent viscosity

Plastic viscosity

Fluid loss

mPa. s

mPa. s

ml

Bentonite

Water slurry

Freshwater base pulp

8-10

3-5

22-26

Add 2. 0g/L sample to fresh water base slurry

≥25

≥8

≤15

15% bentonite composite brine

Base pulp

4-6

2-4

52-58

Add 7.0g/L sample to the base slurry

≥15

≥10

≤10

Table 3 Drilling fluid performance index

Description

Apparent viscosity increase rate after 160°C hot rolling

Base slurry +20g bentonite

450-700

Base slurry + sample + 20g bentonite

<250.0

 

Packaging and storage

The outer layer of the product is a three-in-one paper-plastic composite wrapping paper lined with plastic bags. Each bag has a net weight of 25 kg. It should be stored in a cool, dry and ventilated place. The storage period is twelve months.

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