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通过对伊犁盆地宁1预探井钻井过程中遇到的松散未胶结砾石层钻井实践进行技术分析，表明所用钻井液体系和维护处理方案是适合该地区钻井的，达到了保护油气层的目的，为今后类似地质条件地区的钻井提供了借鉴。
Through the technical analysis of the drilling practice of the loose uncured gravel encountered during the drilling of Ning 1 pre-exploratory well in the Ili basin, it shows that the drilling fluid system and maintenance treatment scheme are suitable for drilling in this area and achieve the purpose of protecting the hydrocarbon layer. In the future similar geological conditions of drilling provide a reference.