Interpretation of Above Zone and Storage Zone Pressure Responses to Carbon Dioxide Injection in the 2016 CO2CRC Field Test Article Swipe

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Plume Carbon dioxide Pressure measurement Geology Leakage (economics) Diffusion Petroleum engineering Border zone Geotechnical engineering Chemistry Meteorology Thermodynamics Geography Physics Economics Organic chemistry Macroeconomics Myocardial infarction Psychology Psychiatry

Jonathan Ennis‐King , Tara LaForce , Lincoln Paterson , T. Dance , Charles Jenkins , Y. Cinar ·

YOU? · · 2017 · Open Access · · DOI: https://doi.org/10.1016/j.egypro.2017.03.1706 · OA: W2746934620

The measurement of pressure in a permeable zone overlying a CO2 injection zone has been tested as a useful technique for monitoring CO2 plume evolution and detecting potential leakage. From Nov 2015 to April 2016 15,000 t of CO2-rich gas were injected at the CO2CRC Otway site in Victoria, Australia, and pressure was monitored with multiple gauges both in-zone and above-zone. The pressure response to injection has been analysed by numerical methods, and it is demonstrated that the above-zone pressure response can be explained by pressure diffusion through the intervening layers.