Visualized pore-level planar model making method
A plane and model technology, which is applied in the field of visualization of pore-level plane models, can solve the problems of inability to perform image analysis, inability to judge, and invisibility of the displacement process.
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[0013] In order to further understand the content, characteristics and effects of the present invention, the following examples are given, and the details are as follows:
[0014] 1) Core selection
[0015] For natural oil reservoir cores obtained by drilling and coring, the air permeability is selected to be greater than 0.3 μm 2 The size of a single core (length×width×thickness) is 30×20×10mm. In the case of similar homogeneity, try to select the part with relatively uniform particles as the real sandstone for making the model.
[0016] 2) Core pretreatment
[0017] For the selected core, natural core, the crude oil in the core must be cleaned first, and the cleaned core is treated the same as the artificial core. Put turpentine and rosin in a container, fully dissolve the rosin, and soak the core in the solution , heated until the core is fully saturated with the rosin solution, left to cool down, cut into a volume of (length × width × thickness) 25 × 20 × 5mm, mm core bl...
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