Hydroxyethyl Cellulose (HEC)
Brief introduction:
HEC is a series of non-ionic soluble cellulose ethers, which can be dissolved in hot and cold water, and has the characteristics of thickening, suspending, adhesive, emulsion, film coating and super absorbent polymers protective colloid, which is widely used in paints, cosmetics, oil drilling and other industries.
Physical and chemical index:
ItemSpecification
CAS NO. 9004-62-0
Appearancewhite or light yellow powder
Loss on drying≤ 5.0%
PH5.0-8.0
D. S. 1.8-2.5
Viscosity300cps-150000cps, 2% solution
Oil industry Application Guide:
Application in oilfield cementing and oil drilling industries
HEC thickening agent can be used as thickner of the well workover fluid and cementing agent. Help to provide clarification of the low fixed content solution, thus greatly reducing the structural damage to the wells. The liquid thickening by Hydroxyethyl Cellulose can be easily decomposed by acids, enzymes or oxidants, greatly improving the ability to recover hydrocarbons.
Fluid in the well, HEC is used as proppant carrier. These liquids can be easily cracked through the process.
HEC configuration using drilling fluid, based on its low solids content, can effectively increase drilling stability. These properties can be used to inhibit the fluid medium to high hardness of the rock and heavy shale or shale drilling.
Reinforcement in the cement operations, HEC can reduce the hydraulic friction, minimize the loss of rock andwater loss.
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