Reservoir simulation processing method

A technology for simulating processing and oil layers, which is applied in the field of plane simulation experiments in the oil reservoir exploitation industry, can solve the problems that the core resources cannot meet the characteristics of the oil layer and the simulation degree of the real situation of the oil layer is not high enough, and achieves the effect of avoiding damage.

Active Publication Date: 2018-02-06
INNER MONGOLIA UNIV OF SCI & TECH
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Problems solved by technology

[0009] CN203412578U discloses a heterogeneous physical model between layers of oil layers, which mainly solves the problem that the existing rock core resources in the prior art cannot meet the characteristics of a class of oil layers after polymer flooding
[0011] However, there are still many things to be improved in the above-mentioned prior art. For example, in CN103247215A, although the multi-layer co-production experiment is used to simulate the oil layer more realistically, the simulation degree of the real situation of the oil layer is still not high enough. The effect of pores, ignoring the effect of pores or cracks in the oil layer

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Embodiment 1

[0057] Such as figure 1 As shown, the system used in the method of the present invention includes: an injection device, a plurality of plane model layers and a measurement device; among them,

[0058] The injection device 11 is used to inject the displacement fluid into the multiple plane model layers 12;

[0059] A plurality of plane model layers 12 are encapsulated by natural low-permeability sandstone slabs of different geometric sizes and well pattern types with different permeability. In the plane simulation layer, a plurality of wellbores or wellbores penetrating each plane model layer are formed At the same time, multiple perforations (not shown) are formed by the above-mentioned secondary detonation method to simulate the various planes of the multi-layer reservoir;

[0060] Among them, pressure measuring points are arranged on the front of each plane model layer 12 to measure the pressure field of each plane model layer 12, and electrode measuring points are arranged on the...

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Abstract

The invention discloses an oil layer simulation processing method. A system used in the method comprises an injection device, multiple planar model layers, and a measurement device. The injection device is connected with all the planar model layers, and all the planar model layers are connected with the measurement device. The injection device is used for injecting displacing fluid into the planar model layers. The planar model layers are packaged with natural low-permeability sandstone slabs of different permeability, and are used for simulating different sub layers of a multi-layer oil reservoir. The injection device includes a well penetrating the planar model layers, and the wall of the well is provided with one or more perforations horizontally extending into the planar model layers.

Description

Technical field [0001] The invention relates to a plane simulation experiment method of the oil reservoir exploitation industry, in particular to an oil layer simulation processing method closer to the real oil reservoir situation. Background technique [0002] The experimental research used for indoor physical simulation of oil field development and production mainly adopts one-dimensional core and slab models. For many low-permeability reservoirs, one of the notable features is strong heterogeneity, the physical properties of different reservoirs are quite different, and the control effect on fluid flow is different. Due to the existence of heterogeneity, the production degree of multi-layered reservoirs varies greatly, the interlayer interference is serious, and the water flooding effect of each layer is quite different. [0003] In order to study the difference in waterflooding effect, fluid flow characteristics and distribution rules of each layer in this type of reservoir du...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B25/00
CPCG09B25/00
Inventor 唐俊李德荣罗宁刘兴薇
Owner INNER MONGOLIA UNIV OF SCI & TECH
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