Abstract

The paper considers the problem of hydraulic fracture propagation from a well with a side track. A simplified mathematical model for the analysis of the problem is proposed. Numerical studies of hydraulic fracture propagation for various model parameters using the extended finite element method (XFEM) have been carried out. It is shown that a hydraulic fracture can develop in the plane containing the main and side wells at low values of stress anisotropy. The trajectories of crack propagation are given depending on the stress state of the medium.

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