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首页> 外文会议>International Conference on Greenhouse Gas Control Technologies >NATURAL CO_2 OCCURRENCES COMPARED TO ANTHROPOGENIC CO_2 INJECTION SITES WITHIN THE WILLISTON BASIN, CENTRAL NORTH AMERICA
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NATURAL CO_2 OCCURRENCES COMPARED TO ANTHROPOGENIC CO_2 INJECTION SITES WITHIN THE WILLISTON BASIN, CENTRAL NORTH AMERICA

机译：天然CO_2发生与北美洲威尔顿盆地内的人为CO_2注射部位相比

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摘要

On the western flank of the Williston Basin, southwestern Saskatchewan, Canada, CO_2 occurs in natural accumulations within Devonian carbonates and Cambrian siliciclastics. Inert gases from some carbonate reservoirs contain greater than 80 per cent CO_2 and have sustained flow rates up to 425, 000 m~3 /day. Early estimates of this resource suggested nearly two million tonnes of CO_2 or about one billion m~3 of recoverable gas are present in these rocks. These natural CO_2 occurrences are found about 400 km west of the site of the IEA Weyburn CO_2 Storage and Monitoring Project (Figure 1), which is directed toward assessing the potential for safe geological storage of anthropogenic CO_2 in Mississippian carbonates. The Devonian strata containing natural CO_2 accumulations in southwestern Saskatchewan are geologically very similar to the Mississippian beds being injected with CO_2 at the Weyburn Field.
机译：在威利斯顿盆地的西部侧翼，加拿大萨斯喀彻温省西南部，CO_2发生在郡碳酸泥和寒武纪硅化物质内的自然累积。来自一些碳酸盐储层的惰性气体含有大于80％的CO_2，并且持续的流速高达425,000m〜3 /天。这些资源的早期估计表明这些岩石中的近200万吨的CO_2或约10亿毫升的可回收气体存在。这些天然CO_2的出现位于IEA Weyburn Co_2存储和监测项目的网站以西约400公里（图1），该项目旨在评估Mississippian碳酸酯安全地质储存的可能性。萨斯喀彻温省西南部的天然CO_2累积的德文郡地层与在韦伊恩领域的CO_2注入CO_2的密西西比床上都非常相似。

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