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Mine Engineering 2024
SCCO2-ESGR中二氧化碳–页岩储层相互作用研究进展
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Abstract:
随着勘探开发技术攻关，我国成功实现了对四川盆地为主海相页岩气资源的有效开发。超临界二氧化碳强化开采页岩气技术的提出，为进一步提高页岩气藏采收率提供了技术方案，且加快了我国“双碳”目标的实现。本文介绍了二氧化碳的基础参数，并从二氧化碳吸附、二氧化碳与矿物成分相互作用的认识着手，进一步阐述了二氧化碳作用下对页岩储层物性的影响。随着对二氧化碳技术的认识加深，超临界二氧化碳强化开采页岩气技术有望成为支持我国能源转型的关键技术。
With the breakthrough in exploration and development technology, China has successfully achieved effective development of marine shale gas resources, mainly in the Sichuan Basin. The proposal of supercritical carbon dioxide (SCCO2) enhanced shale gas recovery technology not only provides a technical solution for further improving the recovery rate of shale gas reservoirs but also accelerates the achievement of China’s “dual-carbon” goals. This paper introduces the basic parameters of carbon dioxide, and starts from the understanding of carbon dioxide adsorption and the interaction between carbon dioxide and mineral components, further elaborating on the impact of carbon dioxide on the physical properties of shale reservoirs. With the deepening understanding of carbon dioxide technology, the supercritical carbon dioxide enhanced shale gas recovery technology is expected to become a key technology to support China’s energy transformation.
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