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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Item Objective	Technical Requirements
Appearance	Yellow to brownish yellow viscous liquid
interfacial tension,mN/m	<0.01
effective substance content,%	50.0±3.0
pHValue	7.0~9.0
Flash Point^*, ℃	≥50
Compatibility with polymer solution	mutual solubility
Retention rate of polymer solution viscosity, %	≥ 95
Environmental protection^*	Not included in the productOP,NP
apparentViscosity (20℃),mPa·s	≤ 200
Solubility	completely dissolved
StableTime,d	≥15
Note: marked*As an evaluation index, it is not detected in routine quality inspection.