Enhancing CO2 monitoring at the Decatur CCS site through improved microseismic location constraints

Dando, B.D.E. (NORSAR) | Goertz-Allmann, B. (NORSAR) | Iranpour, K. (NORSAR) | Kühn, D. (NORSAR) | Oye, V. (NORSAR)


ABSTRACT Monitoring microseismicity during the injection of CO has the potential to provide vital data and feedback on a range of timescales: from real-time to longer term analysis. Minimising the risk of seismic hazard and CO leakage, while ensuring the injected CO is conforming to the injection plan are all possible with an effective microseismic monitoring programme. However, the most reliable interpretation of microseismic data comes from accurate and precisely located events, which is not always achievable with a typical monitoring network. In this study we provide an overview of some different analytical techniques used at the Illinois Basin Decatur project (IBDP) Carbon Capture and Storage (CCS) site, to help constrain microseismic locations with the goal of improving the understanding of the subsurface response to CO injection. Presentation Date: Tuesday, September 17, 2019 Session Start Time: 1:50 PM Presentation Start Time: 3:30 PM Location: 301B Presentation Type: Oral

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