Abstract

The influence of quadratic velocity terms in the filtration law on the nature of the filtration flow in the bottom-hole zone of a well in a productive formation represented by two layers with different filtration characteristics is investigated.It is shown that, in contrast to the linear filtration law, vertical flows of reservoir fluid between layers occur in this case. It is established that under the condition of a small contribution of quadratic terms to the hydrodynamic resistance to flow, the total productivity of the producing well in layers with the hydrodynamic interaction of the layers will notdiffer from the total productivity of the well in the absence of hydrodynamic coupling between the layers.

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