Product Description:
This lignosulfonate product exhibits excellent thinning performance, effectively reducing the viscosity of drilling mud and enhancing fluid flow. Additionally, it demonstrates remarkable filtration control capacity, preventing the loss of fluid and maintaining stable mud properties during drilling operations.
One of the notable advantages of chrome free lignosulfonate is its compatibility with other admixture agents commonly used in drilling fluids. This allows for seamless integration into existing mud formulations, optimizing overall drilling performance.
Furthermore, chrome free lignosulfonate offers good emulsifying effects when incorporated into mud systems, promoting efficient dispersion and suspension of solids. It can be conveniently added to drilling fluids either in the form of a solution or as a powder, providing flexibility in application.
High temperature resistance up to 150℃, allowing for effective cooperation with other additive agents.
Exhibits good emulsifying effects in mud.
Chrome-free thinner can be added to drilling fluids as a solution or powder. The recommended pH range is 10.0 to 10.5. As a thinner, it is typically used at a concentration of 1.0% (w/v) in freshwater mud and 2.0% (w/v) in saltwater mud.
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Typical Parameters
|
No. |
Item |
Specification |
|
1 |
Material insoluble to water |
≤2.5% |
|
2 |
Moisture |
≤8.5% |
|
3 |
pH(2% water solution) |
2.8-3.8 |
|
4 |
Appearance |
Brown powder |
Mud performance
|
Item |
Fresh water drilling mud |
Salt water drilling mud |
|
|
Normal temperature |
Apparent viscosity,mPa•s |
≤20 |
≤25 |
|
Rate of reducing viscosity,% |
≥85 |
≥65 |
|
|
High temperature |
Apparent viscosity,mPa•s |
≤35 |
≤45 |
|
Rate of reducing viscosity,% |
≥60 |
≥45
|
