Abstract
Abstract We present a model that can describe the propagation of a fracture driven by either a liquid or a gas. This model can be applied to situations in which the wellbore pressure is significantly higher than the in-situ stress, resulting in high fracture propagation speed and turbulent fluid flow within the fracture. We present results of test problems, where analytical and/or numerical solutions are available. Finally, we have applied our model to simulate field operations where the formation is dynamically fractured, as in extreme overbalanced operations. We compare results of fractures that are gas-or liquid-driven.
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