ESG System Monitors Fracking Projects’ Effectiveness

by | Jan 17, 2014

ESG Solutions says it has successfully conducted multiple hydraulic fracture monitoring projects within North America using its patented Hybrid Seismic Sensor Network.

The approach integrates traditional downhole microseismic with surface and near-surface based induced seismicity (IS) arrays to evaluate large and small-scale seismicity in one system. Operators benefit from improved insight into fracture development with minimal added cost to the microseismic program, ESG says.

Microseismic monitoring effectively measures small-scale micro-earthquakes during fracking; however typical microseismic geophones are not optimal for detecting larger magnitude induced seismicity.

ESG says its Hybrid system deploys low frequency sensors in near-surface arrays to accurately capture large magnitude events, and integrates the results with time-synchronized downhole microseismic data. This approach provides operators with new information about fault activation and fracture effectiveness.

Demand for Hybrid networks growing as operators recognize the benefits of deploying a combination of seismic sensors in their fracture monitoring operations, ESG says. The firm has deployed multiple Hybrid Seismic Networks throughout North America and the Middle East to monitor applications such as fracking, steam injection, hydrocarbon storage and waterflooding and forecasts increasing demand for these configurations over the coming year.


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