CMC HV
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Product Introduction
Product Details
PRODUCT DESCRIPTION
CMC HV is a high viscosity, high molecular weight dispersible Carboxy Methyl Cellulose fluid loss additive designed to provide viscosity and reduce API filtration rate to water based drilling fluids
| Application | Type | Viscosity | Degree of Substitution | Purity | Moisture | |
| Oil Drilling Grade | PAC-HV | 1% Soln ≥2500 | ≥0.95 | ≥98.0 | ≤10% | |
| PAC-LV | 2% Soln 100-150 | ≥1.0 | ≥98.0 | ≤10% | ||
| CMC-HV | 1% Soln 1500-1800 | ≥0.90 | ≥65.0 | ≤10% | ||
| CMC-LV | 2% Soln 90-150 | ≥0.90 | ≥65.0 | ≤10% | ||
APPLICATION
It is a cost effective additive used to reduce API filtration rate of many water based drilling fluids from freshwater to saturate saltwater. It is suited for water-loss and rheological control in low-solids mud and is a highly efficient viscosifier in all other mud
ADVANTAGES
-Widely available and low cost polymer for fluid Loss control
-It is an effective at providing filtration control in most water based drilling fluids.
-It is effective in low concentrations.
-It is Non–Toxic.
-It is not subjected to bacterial fermentation and calcium contamination.
-Can be used in Most water based Fluid systems
-Increases viscosity
PROPERTIES
*Appearance: Cream Coloured Free Flowing Powder Free From Extraneous Impurities
*Sodium CMC Content % on Dry Basis: 55% Minimum
*Degree of Substitution: 0.8 Minimum
*Moisture Content: 10% Maximum
*pH in 1% Solution: 9 to 11
*Solubility: Completely Soluble in Water.
The product can be used in the drilling projects of oil and natural gas.
1. The drilling mud with CMC-HV enables the shaft lining to form thin and solid and low-permeability filter cakes and then to reduce fluid loss.
2. Adding CMC-HV to the drilling mud enables the drilling machine to obtain low initial gel strength, the mud to discharge air in it easily and debris to be discarded in a mud pit quickly.
3. Like other suspended dispersions, the drilling mud has a certain life period that can be prolonged when CMC-HV is added to stabilize it.
4. The drilling mud with CMC-HV is seldom affected by mycete, so there is no need to maintain high pH value or use preservatives.
5. The drilling mud with CMC-HV can be used as the treating agent of flushing fluid to prevent pollution of various kinds of soluble salts.
6. The drilling mud with CMC-HV has favorable stability and can still reduce fluid loss even at the temperature above 150℃.
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Henan More Energy Co., Ltd.
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