Interest in using microearthquakes for characterizing petroleum and geothermal reservoirs and the region surrounding underground mines has grown considerably over the last several years. A comprehensive understanding of the fracture distribution and hydrogeomechanical processes occurring during operation provides valuable information for reservoir development and optimization of production. Some of this information can be obtained from well logs, but they only provide direct information about conditions near the well. Microseismic (MS) monitoring techniques can be primary methods for obtaining detailed information about reservoirs and fracture systems at locations as far as 1 km from boreholes.

In traditional studies of reservoir seismicity,...

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