Carboxymethyl cellulose CMC-Water base fracturing fluid

Carboxymethyl cellulose CMC-Water base fracturing fluid

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Carboxymethylation reaction is one of etherification technologies. After Carboxymethylation of cellulose, carboxymethyl cellulose (CMC) is obtained. Its aqueous solution has the functions of thickening, film-forming, bonding, water retention, colloidal protection, emulsification and suspension. It is widely used in petroleum, food, medicine, textile and papermaking industries. It is one of the most important cellulose ethers.With our long-term expertise in chemical products trading, do we provide you with professional advice on products and tailored solutions for your specific purpose. We are happy to help you choose the materials suitable for you.Just click to find the applications in your industry: CMC in food, petroleum, printing and dyeing, ceramics, toothpaste, floating beneficiation, battery, coating, putty powder and papermaking.

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CMC has high sand carrying and sand consolidation capacity, can bring proppant to deeper fracturing fractures, and can reduce the crushing rate of support and make the formed oil and gas artificial channel more effective. Therefore, the oil and gas wells after fracturing with CMC have significant stimulation effect, which is significantly higher than those constructed with conventional fracturing fluid.

CMC-Application Of Water-Based Fracturing Fluid

1. It has extremely strong thickening ability, which is stronger than that of general guar gum, and has better dispersion performance;
2. Strong suspended sand capacity, low filtration loss, less residue and good thermal stability, and it is not easy to be degraded by bacteria;
3. Good shear resistance, excellent compatibility with formation salts, good salt resistance and low cost;
4. The residue content is low and the pollution to the formation is slight;
5. It has good fracturing performance and water retention, can be dissolved with various chemicals, and has superior synergy;
6. After fracturing operation, CMC will remain in the fracture and interact with proppant to form a spatial network structure to enhance the cohesion of proppant, so as to stabilize the proppant at the original position, and the fluid can pass freely, so as to achieve the purpose of preventing proppant backflow;

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