介绍了可燃冰的研究过程，将可燃冰已知的开采技术进行了总结。详细介绍了压裂技术结合二氧化碳（CO₂）置换开采可燃冰技术，并将两种技术同时用于可燃冰开采的应用前景进行了分析。该联合技术有诸多的优势，在未来将会有广阔的应用前景。从天然气产量、安全、经济、环保等角度评价了联合技术的优势，并分析了该技术存在的问题以及努力的方向。

The research process on combustible ice (natural gas hydrate) is introduced and the available technologies for mining combustible ice are summarized.The mining technology that combines the fracturing technology with carbon dioxide replacement technology is introduced in detail and the application prospect for using these two technologies together in exploitation of combustible ice is analyzed.This combined technology has many advantages and is expected to have wide application prospects in the future.The advantages of the combined technology are evaluated from the perspectives of natural gas production,safety,economy and environmental protection,and the problems and direction of this technology are analyzed.