Lipopeptide-containing composite oil displacement agent and use method thereof
A technology of composite oil displacement and lipopeptide, which is applied in drilling compositions, chemical instruments and methods, earthwork drilling and production, etc., can solve the problems of inability to improve oil recovery, and achieve the effect of enhanced oil recovery
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[0107] Example: The compound oil displacing agent containing lipopeptide in the embodiment of the present invention, its unique evaluation method includes the optimal method for compounding the compound oil displacing agent containing lipopeptide, and the anti-adsorption, dilution, Research on salt resistance and hard water resistance:
[0108] (1) Optimization of different compounding ratios
[0109] By adjusting the concentration ratio and compounding ratio of the lipopeptide / petroleum sulfonate weak base compound system, the system formulation was optimized, and the optimal compound surfactant concentration and ratio were screened, see Table 1.
[0110] Table 1 Compound oil displacement agent containing lipopeptide
[0111]
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