Abstract

Hydraulic fracturing has become the most important technology in the development of shale gas and tight gas/oil reservoirs. The application of hydraulic fracturing is also essential for hot dry rock geothermal systems. It is important to understand how hydraulic fractures propagate in the formation and the effects of reservoirs heterogeneities on fracture propagation. In this chapter, a fully hydromechanical coupled model of hydraulic fracture propagation is presented, based on the extended finite-element method. Furthermore, its extension to reservoir simulation coupling with embedded discrete fracture model has also been developed and discussed.

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