Pickering emulsion for heavy oil reservoirs and preparation method thereof
A technology for heavy oil reservoirs and emulsions, applied in the field of Pickering emulsions, can solve the problems of expensive emulsions and unsatisfactory emulsion effects, and achieve the effects of enhanced oil recovery, high stability, and high viscosity retention
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[0014] Below in conjunction with specific implementation example, the present invention is described in detail; A kind of Pickering emulsion that is used for heavy oil reservoir, comprises nano silicon dioxide particle and water, binding agent and contains mineral compound oil, wherein silicon dioxide particle and water The ratio of binder to mineral oil is 1:10, and the ratio of binder to mineral oil is 1:15.
[0015] As a preference: the particle size of the silicon dioxide particles is 5-9 nm.
[0016] As a preference: the mass content of the silicon dioxide is 20%.
[0017] Preferably: the adhesive is a combination of at least two of vinyl acetate resin, acrylic resin, and chlorinated rubber.
[0018] The preparation method of the Pickering emulsion that is used for heavy oil reservoir of the present invention, comprises the following steps:
[0019] (1) Add the silicon dioxide particles into the water and heat to fully melt, and stand still for 1-2H after melting;
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