Drilling reagent

Drilling reagent "CSWL" is the technical lignosulphonate condensed in acid media. The reagent is produced in the two forms "CSWL-2M" and "CSWL-4T".

It is delivered in bags of 25 kg.


CSWL is used as a component of process fluids to thin down the rate of filtration in drilling muds (fresh water ones and mineralized) and to regulate rheological properties under high temperatures. The use of this reagent makes it possible to minimize the adhesiveness of filter cake and reduce sludge balling.

Find out if the reagent is appropriate to solve your tasks

Order the sample and test it in real conditions. Later on, our laboratory will elaborate on this reagent to adjust it to your specific needs.

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Physical and chemical properties

Appearance at 20°С
Powder of light brown to brown color
Powder of light brown to brown color
Solubility, %, minimum
Water content, mass, %, maximum
PH value 1% water solution, units.
6.0 – 8.0
7.0 – 9.0

Recommendations to application

Concentration of CSWL in drilling mud, depending on the degree of mineralization and downhole temperature, should be within 1 to 3%.

Quality Himprom LLC

All products of “Himprom” LLC have Quality Certificates

Learn more about the quality control of the “Himprom” LLC products

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