Propagation Regimes of Fluid-Driven Fractures in Impermeable Rocks
- 1 March 2004
- journal article
- Published by American Society of Civil Engineers (ASCE) in International Journal of Geomechanics
- Vol. 4 (1), 35-45
- https://doi.org/10.1061/(asce)1532-3641(2004)4:1(35)
Abstract
This paper reviews recent results of a research program aimed at developing a theoretical framework to understand and predict the different modes of propagation of a fluid-driven fracture. The research effort involves constructing detailed solutions of the crack tip region, developing global models of hydraulic fractures for plane strain and radial geometry, and identifying the parameters controlling the fracture growth. The paper focuses on the propagation of hydraulic fractures in impermeable rocks. The controlling parameters are identified from scaling laws that recognize the existence of two dissipative processes: fracturing of the rock (toughness) and dissipation in the fracturing fluid (viscosity). It is shown that the two limit solutions (corresponding to zero toughness and zero viscosity) are characterized by a power law dependence on time and that the transition between these two asymptotic solutions depends on a single number, which can be chosen to be either a dimensionless toughness or a dimen...This publication has 22 references indexed in Scilit:
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