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- schematization circuit WOC;
- built spatial problem to the plane. Formation and bottom-
hole pressures seams in the wells reduced to one plane (usually to
the initial level WOC);
- parameters of layer and properties of formation fluids.
Different circuit models of the reservoir, which are chosen
depending on the degree of scrutiny and put the design phase,
homogeneous layer, uniform area-layer, heterogeneous continuum
of level-permeability and thickness of the layer of natural or
probable distribution of these parameters.

Schematization forms deposits
In practice, there are examples of different forms: stripes,
circles, ellipses shaped and their various combinations.
Any form of lay mainly in the calculations can be made to
a strip or circle, or to a combination of these forms.
Schematization forms of oil are to replace the complex
configuration put on deposit in the form of strips, rings, circle or a
set of simple geometric shapes.
If the deposit for which hydrodynamic calculations
performed is oval in shape, with the ratio of the axes A:B > 3
(where A – length of deposit, B - width of deposit), then the
deposit is schematized by strip (Fig. 3.1).

Figure 3.1 - Schematization forms deposits (strip deposit)

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