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Shanxi Linhai Humic Acid Biotechnology Co., Ltd. Copyright© 2018, lhfzs.com. All rights reserved 晋ICP备13000622号 Powerd by www.300.cn
Chromium-free sulfonate brown coal
Project |
index |
|
Water content (%) ≤ |
18.0 |
|
PH value |
8.0-11.0 |
|
Water-soluble dry base humic acid (%) ≥ |
50.0 |
|
Chromium ion color reaction |
No reaction |
|
|
Room temperature performance |
High temperature performance |
Apparent viscosity, mpa.s |
≤8.0 |
≤10.0 |
Medium pressure filter vector, ml |
≤9.5 |
≤10.5 |
Drop viscosity, (%) |
≥75.0 |
≥80.0 |
Lmin static force, Pa |
≤1.0 |
≤1.0 |
High temperature and high pressure water loss, ml |
≤25.0 |

Product introduction
Sulfonated brown coal SMC is a derivative of brown coal humic acid, which is obtained by the synthesis of brown coal after alkalization, sulfonation, and cross-linking of chromium salts at appropriate temperatures. The appearance is dark brown powder. It is a cheap and efficient mud treatment agent, which is used as a viscosity reducer and fluid loss inhibitor in fresh water drilling fluid with excellent high temperature resistance. It can be used in various water-based drilling fluid systems directly and can be used in combination with a variety of treatment agents. General dosage is 3-5%.
Usage methods
1. This product has the dual effect of reducing fluid loss and viscosity reduction
2. With excellent temperature resistance, it can resistant 200-220 °C high temperature, especially suitable for using in deep wells