4.Hydroxyethylcellulose(HEC)
Hydroxyethylcellulose is a low-solids, cost-effective viscosifier widely used in drilling, completion, workover and fracturing fluids.Oilfield fluids containing HEC exhibit high apparent viscosity, high yield point and low fragile gel strength.
Specification
| Item |
Index |
| Appearance |
White or yellowwish powder that is ordorless tasteless and non-tonic. |
| Molar Degree of Substitution |
1.8-3.0 |
| Viscosity mPa.S |
Viscosity Spescification as Bellow |
| Water Content ,% |
≤5 |
| pH(1%,solution） |
6-8.5 |
| Ash Content % |
≤5 |
|
