English
Main ingredients
Cationic emulsified asphalt for drilling fluid is an emulsion composed of asphalt lotion synthesized by asphalt powder, emulsifier, cationic surfactant and polyacrylate lotion synthesized by acrylonitrile, acrylic acid, ammonium persulfate, etc.
Nature and Use
The product is a brown black gel like substance. This product can inhibit the hydration and expansion of shale, prevent the collapse of unstable formations, improve the quality of mud cakes, and enhance lubrication and sealing properties.
Main technical indicators
|
project |
Indicator |
|
Appearance |
Black or black brown gel like substance |
|
Evaporation residue，% |
≥55 |
|
Cationic degree，mmol/g |
≥0.15 |
|
Relative expansion reduction rate，% |
≥30 |
|
High temperature and high pressure filtration loss，mL |
≤30.0 |
|
softening point，℃ |
Nominal value of formation temperature ± 10 ℃ |
|
Fluorescence level a, level |
≤4 |
|
Appearance |
Black or black brown gel like substance |
|
Evaporation residue，% |
≥55 |
Product features
Usage
Just mix it directly into the drilling fluid.
Recommended dosage: 1.0% -2.0%.
