Application In Completion Fluids CMC Sodium Carboxymethly Cellulose PAC
| Purity: | ≥ 99% | Fluid Loss: | ≤10.0 |
| 1% Brookfield viscosity: | 5000-8000 | PH value: | 6.5-8.5 |
| Degree of Substitution: | ≥ 0.8 | Usage: | Oil Drilling Frade |
| High Light: | pAC Sodium Carboxymethly Cellulose,Completion Fluids Sodium Carboxymethly Cellulose |
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Sodium Carboxymethyl Cellulose
Product Description
PAC and CMC are used in oil drilling fluids and completion fluids. In drilling fluids, it works as viscosifier, flowing controller and filtration reducer, with strong suspending capability, high ability of carrying crumbs, and the function of cleaning drilling crumbs, stabilizing of well wall, preventing the mud from flowing away, protecting drilling bit and reducing the thickness of mud cake, but while in the completion fluids, it functions to control the fluid viscosity, suspend the heavy objects, bring the filler and avoid the fluids loss. It also can replace guar gum in fracturing fluids.
*Improve the fluidity of the cementing liquids, and make the suitable initial adhesion with lower filtration loss, while it can protect the well wall and prevent the liquids from flowing into the pores and cracks.
* packed fluid
Adjust the fluidity, thixotropy and suspended solid of the liquids. Due to the good salt tolerance property (especially the one Valence metal ion), the effect is obvious when the products are used in packed fluid of clean brine.
* fracturing fluid
Enhance the viscosity of fracturing fluids quickly, bring the proppant into the oil well cracks, build the infiltration lane, reduce the fluid loss quickly and make the formation pressure increase fast to reach the effect of transferring the pressure. No residue, no harm to the base and it can replace guar gum.
PAC-HVC is mainly used in cleaning fracturing fluids. Using Low dosage, reducing the fracturing fluids loss and possessing the good property of salt resistance and temperature resistance. Good water solubility, no residue, no harm to the base, high pumpability, high friction, and power to bring with proppant.
Technical Parameters:
| Specification of oil-drilling grade for PAC | ||||||||||
| Items Types |
Experimental method | Apparent viscosity | Filtration Loss(ml) | Loss on Drying(w/%) | Degree of Substituion(D.S) | |||||
| PAC - LV | API-13A | ≤40 | ≤16 | ≤10.0 | ≥0.9 | |||||
| PAC - HV | API-13A | ≥50 | ≤23 | ≤10.0 | ≥0.9 | |||||
Total Plate Count ≤500 Cfu/g CMC Food Additive with Good Heat-Stability and White to Cream Powder for Food Industry
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CMC Food Additive Chemical Name Carboxymethyl Cellulose White Or Slightly Yellowish Powder with Non-toxic Properties
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