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首页> 外文期刊>Journal of natural gas science and engineering >Subsurface methane leakage in unconventional shale gas reservoirs: A review of leakage pathways and current sealing techniques
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Subsurface methane leakage in unconventional shale gas reservoirs: A review of leakage pathways and current sealing techniques

机译:非传统页岩气藏的地下甲烷泄漏:泄漏途径和电流密封技术的综述

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摘要

Shale gas extraction is seen to be a bridge fuel to the future due to lower GHG emissions compared to oil. However, it is also one of the most controversial topics due to the involvement of fracking in their production. Based on the analysis performed in this review we found that despite hydraulic fracture propagation being a possible conduit of methane leakage, the major cause of gas leakage is through leaking wells within the vicinity of fracturing sites. Remedial attempts have revealed promising yet inconsistent results, with no concrete method established for the methane leakage mitigation from shale gas wells.
机译:由于与油相比,由于较低的温室气体排放,页岩气提取被视为对未来的桥梁燃料。 然而,它也是由于压裂在其生产中的参与导致最有争议的主题之一。 基于本综述中进行的分析,我们发现,尽管液压断裂传播是甲烷泄漏的可能导管,但气体泄漏的主要原因是在压裂部位附近泄漏井。 补救措施已经揭示了有希望的不一致结果,没有建立来自页岩气井的甲烷泄漏缓解的具体方法。

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