1887

Abstract

P014 DIFFUSIVITY ESTIMATIONS BASED ON SEISMICITY TRIGGERED BY FLUID INJECTIONS IN BOREHOLES F. KARPFINGER M. MIETH M. PAROTIDIS E. ROTHERT and S.A. SHAPIRO Geophysics Department Freie Universitaet Berlin Malteser Strasse 74-100 12249 Berlin Germany Summary Generally microseismicity is observed during fluid injection experiments in boreholes. We assume that these events are triggered by pore pressure perturbations and present two methods for estimating hydraulic properties of the seismically active region. The first method called the event rate method allows the estimation of scalar diffusivity of rocks based on the analysis of the event rate of seismic events. For this method an

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/content/papers/10.3997/2214-4609-pdb.3.P014
2004-06-07
2024-07-23
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