井下地震监测的钻井技术
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摘要
采用井下地震仪可监测到许多地面地震台未记录到的微弱地震波,可减小地面噪声干扰,大大提高震源定位精度。介绍了武汉甚宽频带数字地震监测1井的设计以及钻井和固井的关键技术。在项目实施过程中采用合理的钻井工艺和专门设计的单向注浆装置等技术满足了地震监测井的特殊技术要求。
Earthquake has great harm to humanity.How can forecast earthquake more effective,timely and accurately is still a scientific research poser.The Downhole seismograph can monitor lots of weak seismic wave that can't be monitored by the ground seismograph.It can decrease the noise interference on the ground and increase the focus positioning accuracy.This paper mainly introduced the design and the key technology of drilling and cementing for the NO.1 seismic monitoring well in Wuhan.The reasonable drilling technology and the specially designed one-way grouting device are adopted in this project to meet the special technical requirements.
引文
[1]李粮纲,等.武汉九峰井下地震监测仪钻井竣工技术报告[Z].武汉:中国地质大学(武汉),2007.
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    [3]冯德益,张少泉,等.深井观测地震波典型记录与分析应用[M].北京:地震出版社,1990.
    [4]孟晓春.地震信息分析技术[M].北京:地震出版社,2005.
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