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Surface active agent

Features: This product is composed of a variety of active ingredients, both non-ionic, anionic active agent advantages, because of containing two different hydrophilic groups, its salt tolerance than anionic surfactants, more resistant to high temperature than non-ionic surfactants. Because it contains non-ionic groups, it can maintain a strong emulsification effect. Because the structure contains multiple non-ionic hydrophilic groups, it contains many ether bonds, ester bonds, amide bonds or hydroxyl groups, or two or more combinations of them. The structure can withstand multivalent cations and ensure the salt resistance of the product. The surfactant has good compatibility with polymers, and has the synergistic thickening function of polymers that conventional surfactants do not have. The advantage of the product is that it can be used as a single system for oil displacement, and can also be used in conjunction with polymers to form a binary oil displacement technology for oil displacement. Compared with ASP flooding, it reduces the alkali component and prevents alkali damage to the formation. Because the product has good salt tolerance, the influence of water quality on the product is weak, and it is suitable for the injection conditions of clean water and sewage. The basic raw materials used in the synthesis of this product are all extracted from plants, and the product is non-polluting to the environment and is a new type of green and environmentally friendly product. Use: This product is a secondary or tertiary oil recovery additive, used to improve crude oil recovery, can be used alone as oil displacement agent for oil displacement, can also be used with polymer for oil displacement. It is suitable for medium and high temperature strata (25 ℃-100 ℃) and the formation conditions with salinity below 2 × 104mg/L.

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Functional polymer

Features: This product is made of a variety of functional monomers by grafting modification and other processes. Ordinary polyacrylamide in the application of high ambient temperature, the degree of hydrolysis to a certain extent, with the continuous improvement of the hydrolysis reaction, the viscosity of the polyacrylamide solution will enter a rapid downward trend, especially the degree of hydrolysis with the increase of temperature shows an exponential decline, when the temperature exceeds 80 ℃, the viscosity basically disappears. This product has good temperature resistance, salt resistance and stability due to the introduction of temperature-resistant and salt-resistant monomers in the macromolecular structure. When it is used as a thickening agent for acid fracturing, it has good solubility, high viscosity retention rate under high temperature and high salt conditions, simple formula, convenient preparation, and low residue. When used as oil displacement agent for tertiary oil recovery, it has the rheological properties of high temperature resistance, high salt resistance, shear resistance and high temperature and high salt complex environment that ordinary polyacrylamide does not have. Use: It is mainly used as a thickener during acidizing and fracturing operations. In the process of oil exploitation, it is mainly used as oil displacement agent for tertiary oil recovery. It is suitable for the reservoir environment with a temperature of 80 ℃ and a salinity of 13'104mg/L or a temperature of 100 ℃ and a salinity of 3.2 '104mg/L or less.

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WT-HP-03 type high swelling particle profile control agent

Use: This product is suitable for profile control and water plugging under the conditions of medium and high temperature formation (60 ℃-80 ℃) and medium salinity (10000ppm-50000ppm). It is mainly used to improve and adjust the water absorption profile and liquid production profile of heterogeneous reservoir and oil layer with large pore channel fractures.

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WT-HP-02 type particle temporary plugging agent

Application conditions: The product is suitable for medium and high temperature formation (60 ℃-80 ℃), medium salinity (10000ppm-50000ppm) and other formation conditions.

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