Reinforced salt-resistant and oil-resistant foam drainage agent composition as well as preparation method and application thereof
A technology of foam drainage agent and composition, which is applied in the direction of drilling composition, chemical instruments and methods, etc., and can solve the problem of insufficient salt resistance and oil resistance of foam drainage agent, insufficient foam generation ability of foam drainage agent, and discharge liquid treatment Difficulties and other problems, to achieve the effects of saving pharmaceutical costs, enhancing liquid-carrying ability, and good foaming ability
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[0036] [Example 1]
[0037] Under normal temperature and pressure, the alkyl amide polyether anionic surfactant, α-olefin sulfonate, ammonium chloride, and sodium nitrite are adjusted to the salinity of 100,000 and 200,000 respectively according to the mass ratio of 1:2:1:1 , 250,000mg / L simulated aqueous solution was dissolved and prepared into a 1.0wt% solution. The foam drainage agent composition FS-1. The structure of the surfactant component is shown in Table 1.
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[0038] [Example 2]
[0039] Under normal temperature and pressure, the alkylamide polyether anionic surfactant, α-olefin sulfonate, ammonium chloride, and sodium nitrite are respectively adjusted to the salinity of 100,000 and 200,000 according to the mass ratio of 1:10:5:5. , 250,000mg / L simulated aqueous solution was dissolved and prepared into a 1.0wt% solution. The foam drainage agent composition FS-2 is obtained, and its surfactant component structure is shown in Table 1.
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[0040] [Example 3]
[0041] Under normal temperature and pressure, the alkyl amide polyether anionic surfactant, α-olefin sulfonate, ammonium chloride, and sodium nitrite are respectively adjusted to the salinity of 100,000 and 200,000 according to the mass ratio of 1:1:5:5. , 250,000mg / L simulated aqueous solution was dissolved and prepared into a 1.0wt% solution. The foam drainage agent composition FS-3 is obtained, and its surfactant component structure is shown in Table 1.
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