首页> 外国专利> GEOCHEMICAL MONITORING OF A MONITORING OF A GEOLOGICAL CO2 STORAGE SITE USING ASSOCIATED RARE-GAS CHEMICAL RATIOS

GEOCHEMICAL MONITORING OF A MONITORING OF A GEOLOGICAL CO2 STORAGE SITE USING ASSOCIATED RARE-GAS CHEMICAL RATIOS

机译:使用相关的稀有气体化学比值对地质二氧化碳存储站点进行地球化学监测

摘要

The present invention relates to a method of monitoring a geological CO2 storage site, in which the following steps are carried out: the contents of CO2 and rare gases contained in a geological aquifer lying above the cover for a future CO2 storage site are analyzed; the contents of rare gases associated with the injected CO2 are analyzed; the rocks constituting said cover are characterized; a leakage of CO2 and rare gases coming from the storage site and passing through the cover into said upper geological layer is modelled; a threshold for at least one rare-gas ratio corresponding to a CO2 leak rate is determined; a ratio of rare gases present in the geological layer lying above said storage site is measured and compared with said threshold; and the CO2 leakage rate is determined.
机译:本发明涉及一种监测地质CO 2储存地点的方法,该方法执行以下步骤:分析位于未来CO 2储存地点的覆盖层上方的地质含水层中CO 2和稀有气体的含量;分析与注入的二氧化碳相关的稀有气体的含量;构成所述覆盖物的岩石具有特征;模拟了二氧化碳和稀有气体从储存地点泄漏并通过覆盖层进入所述上部地质层的泄漏;确定对应于CO 2泄漏速率的至少一种稀有气体比率的阈值;测量位于所述存储位置上方的地质层中存在的稀有气体的比率,并将其与所述阈值进行比较;确定二氧化碳泄漏率。

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