Industry Shared Practices

It is the responsibility of each operator to conduct their operations safely and in accordance with the circumstances of the particular operation. [...] 2 Risk Appraisal and Mitigation The key planning activities that guide the design and implementation of fluid disposal operations, where induced seismicity has been identified as a potential risk, should be influenced by a structured hazard assessment and a corresponding risk management plan appropriate to the specific surface location and geologic formation. [...] The risk associated with a hazard is understood to be the product of the likelihood of the hazard to occur and its consequence, as presented in Figure 1. [...] The intensity is calculated as the average value predicted from the PGA and PGV (from Atkinson, 2017 ) 2.3 Final Risk Assessment The overall risk associated with induced seismicity due to fluid disposal operations is the result of a reasonable aggregation and evaluation of all hazards and associated risks, weighted appropriately for the area of operations. [...] The review can align understanding of the risks and associated response protocols for the fluid disposal well or wells, and should: • Review and document hazards, risk factors and their characteristics for the upcoming area of operations.