Quantifying and Understanding the Uncertainty Associated with Microseismic Event Locations

In this presentation we consider the causes, effects and mitigation of uncertainty in microseismic event location and interpretation. We will firstly discuss how random observational uncertainty and systematic errors can affect the microseismic event location process. We then consider how this uncertainty may propagate into higher level interpretations such as SRV estimation, which is considered an important measure of stimulation effectiveness. Finally we consider what steps can be made to reduce uncertainty with microseismic data sets.