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High Temperature Silicofluoric Visbreaker for Drilling fluid—JHGF 2014-01-23 11:50:25 .jpg)
Introduction
It has excellent resistance to HT and salt, has functions of preventing caving, lubrication and defoaming. In addition, it has a long period of mud maintenance and has no damage on environment.
Usage
It can be added into drilling fluid, and the addition is 0.5%～1.0%.
Main Quality Indexes
ITEM
INDEX
extrinsic features
black viscous liquid
pH
10.0～12.0
visbreaking ratio
/(%)
adding 1% sample at 90±2℃
≥75.0
adding 1.5% sample at 180±2℃
≥70.0
adding 2% sample at 260±2℃
≥60.0
Safety Operation Recommendation
The worker should use personal protective equipment to
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