1887

Abstract

P213 Seismic Emission Induced by Hydraulic Fracturing of Gas Reservoirs – Features of the Kaiser Effect C. Dinske* (Freie Universitaet Berlin) & S.A. Shapiro (Freie Universitaet Berlin) SUMMARY Application of a load to materials induces acoustic emission. If the load has a cyclic character the emission will become vanishing for loads less than the maximum previously reached load level. Such a material memory to its stress history is known as the Kaiser effect. Usually this effect is assumed to be valid also in the case of fluid-induced seismicity. Here we show that microseismicity due to hydraulic fracturing violates the Kaiser

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/content/papers/10.3997/2214-4609.201401877
2007-06-11
2021-03-07
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