Bayesian full-waveform tube-wave inversion for effective hydraulic fracture aperture and mechanical fracture compliance
J. Hunziker (University of Lausanne)
A. Greenwood (University of Lausanne)
S. Minato (TU Delft - Applied Geophysics and Petrophysics)
N Barbosa (Université de Genève)
E Caspari (University of Lausanne)
Klaus Holliger (University of Lausanne)
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Abstract
The hydraulic characterization of fractures is crucial for geothermal energy production, hydrocarbon exploration, CO2-sequestration, and nuclear waste disposal. We propose to estimate the effective hydraulic aperture and the mechanical compliance of isolated fractures intersecting a borehole through a Bayesian inversion of full-waveform tube-wave data recorded in a vertical seismic profiling setting. Following the successful application of the proposed inversion procedure to synthetic data, we show in this study initial results of an application to real data.
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