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1.Properties and applications
It uses the asphalt-based product as high-quality raw material, special process, through the softening point of control additive solubilization of additives and dispersed on the asphalt with a positively charged particle surface and adjust the design of dispersion and softening point range, making it not only has more strong positive and colloidal stability, colloidal particles and the normal distribution is reasonable, not hierarchical, not frozen, the main component of highly dispersed or dissolved in the mud. Cationic emulsified asphalt anti-sloughing agent in the rock wall face adsorption, emulsion breaking through a certain period of time is, asphalt particles coalescence with each other to form a continuous film covering to prevent water entry, the function of a seamless block. Cationic emulsified asphalt wall sloughing agent on the long open hole section of most well formation with the membrane, sealing, water features, block, especially anti-collapse effect is more prominent.
2,Technological index
Item | Index |
Appearance | Black jelly |
Water dispersion | Dispersed, non-floating fixed tilting |
Colloid stability,% | ≥94.0 |
Electric potential,mV | ≥+20.0 |
Relative inhibitory | ≤1.0 |
Solid content,% | ≥35.0 |
3.Use method and notice
The product can be added directly into the drilling fluid, but not too fast in adding process lest the gel balls come into being. Recommended dosage is 1% ~3%.
4. Transportation and storage
Packed by plastic drum, net mass per barrel(25±0.25)kg or(50±0.5)kg. It should be put into dried storage room lestit is polluted or dampened.Pay attention to anti-dampness,anti-exposure and bag breakage during the transportation.
Cationic emulsified asphalt anti-sloughing agent