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Main ingredients
Composite calcium carbonate for drilling fluid is mainly composed of calcium carbonate, which is mechanically processed into a powder with suitable fineness.
Nature and Use
This product is a white solid, neutral, insoluble in water, suitable as a weighting agent for various drilling fluids.
Specification
Table 1 Physical and Chemical Performance Indicators
|
Project |
Indicators |
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|
Ⅰtype |
Ⅱtype |
Ⅲtype |
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|
Appearance |
White powdery solid without clumping |
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|
Moisture，% ≤ |
1.0 |
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|
Density，g/cm³ |
2.70±0.20 |
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|
Calcium carbonate content，% ≥ |
97.0 |
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|
Granularity，μm |
≤ |
3.0 |
1.5 |
1.0 |
|
≤ |
10.0 |
5.0 |
3.0 |
|
|
15.0~25.0 |
6.0~15.0 |
4.0~6.0 |
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|
Note 1：“”,10% of the particle size values in the test sample are below the "" test value Note 2：“”，50% of the particle size values in the test samples are below the "" test value, which is commonly referred to as the "median diameter" or "median particle size". Note 3：“”，90% of the particle size values in the test sample are below the "" test value |
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Table 2 Performance indicators for use
|
Project |
Indicators |
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|
Ⅰtype |
Ⅱtype |
Ⅲtype |
|
|
Initial loss，mL ≤ |
5.0 |
20.0 |
30.0 |
|
Filtration loss，mL ≤ |
20.0 |
35.0 |
45.0 |
Product features
Usage
It can be directly mixed into drilling fluid or used in combination with other surfactants.
Recommended dosage: 0.5% -5%
