He and Ne as tracers of natural CO2 migration from a deep reservoir

摘要: Capture and geological storage of CO2 is emerging as an attractive means economically abating anthropogenic emissions from large point sources. However, for the technology to be universally deployed it imperative that a reliable method asses integrity site both safety regulation compliance exists. Hence, ability track, identify origin of, any seepage measured at near- surface ground critical. As analogue post-emplacement seepage, this presentation will examine natural rich springs groundwater wells in vicinity St. Johns Dome reservoir, located on southern tip Colorado Plateau border Arizona New Mexico. Extensive travertine deposits vacinity document long history migration fluids surface. Whilst formation appears insignificant present, there strong evidence shown by high levels HCO3 - spring waters. waters with those deep reservoir. We show component helium fingerprint observed gaseous contained reservoir can traced above Our results source using noble gases illustrates technique could used engineered sites.