Abstract

Evaluation of CO<sub>2</sub> in Saline Aquifers under Deep Ground Water Systems in Urumqi River Basin of Xinjiang, China

Highlights

  • Deep formations offer opportunities for geologic carbon sequestration as a promising method to mitigate the adverse impacts of climate change (Celia et al, 2015; Bachu and Bennion, 2016)

  • This study provided the description of stratigraphic structure of the basin through analysis between the regional groundwater flow and the injection of carbon dioxide

  • It should be noted that because of the uneven distribution of drilling, some boreholes were drilled within the distribution of small structural units and this compromised the accuracy of determining formation structure

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Summary

Introduction

Deep formations (e.g., saline aquifers, oil and gas reservoirs, and coal-beds) offer opportunities for geologic carbon sequestration as a promising method to mitigate the adverse impacts of climate change (Celia et al, 2015; Bachu and Bennion, 2016). The processes of capturing carbon dioxide (CO2) emitted from large point sources and depositing it in deep geological formations is known as Carbon Capture and Storage (CCS). Such sources include fossil fuel based power plants and industrial sources (Celia et al, 2015). CCS provides a possibility to cut emissions while maintaining the access to fossil fuel energy until sufficient alternative energy sources exist and it is necessary for some process industries. Due to the rich Mesozoic–Cenozoic tectonic and stratigraphic history, China has a significant CO2 storage potential (Li et al, 2015)

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