Abstract

The production of a multilateral horizontal well is higher than the production of a vertical well, even than that of a unilateral horizontal well. Nonetheless, the stimulation effect is significantly influenced by the branch parameters, and the impacts of branch parameters on the productivity of a multilateral horizontal well are rather complex. In this paper, the factors which affect the productivity of multilateral horizontal wells are preliminarily analyzed with the laboratory method of physical simulation. Then, a semi-analytical coupling model of wellbore flow and reservoir flow is built, and the multilateral horizontal wells are simulated to investigate the impacts of branch parameters on the stimulation effect of multilateral horizontal wells.

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