Summary

Microseismic monitoring technology is widely used for the field control of hydraulic fracturing used in the production of unconventional hydrocarbon and geothermal resources. In this paper we discuss modified graph of microseismic data processing with accounting for seismic anisotropy. First, we describe implementation of interactive processing subroutine for polarization analysis of shear waves. It allows detecting shear-wave splitting and picking two shear-wave traveltimes for further inversion. Second, we optimize anisotropic ray-tracing algorithm so that to speed up massive kinematic modeling and inversion of microseismic data. Suggested optimized implementation of microseismic data processing graph can be used for massive simultaneous inversion of microseismic data containing traveltimes for hundreds of microseismic events.

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