It is a successful way obtained by Shandong coal Geology Bureau, which provide integrated study results by use of drilling, seismic and logging methods in coal exploration.

在煤田地质勘探中，钻探、地震、测井等多种勘查手段有机结合，提交综合研究成果，是山东省煤田地质局走出的综合勘探的成功道路。

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LWD (logging while drilling) is one of new logging technology, which can complete the real time measurement of formation information while drilling.

随钻测井是一种新型的测井技术，它能够在钻开地层的同时实时测量地层信息。

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Monitoring and forecasting drilling engineering accidents is one of important studying subjects for safely and optimum drilling, which is also the main content for engineering logging operation.

钻井工程事故的监测和预报是安全钻井和优化钻井的重要研究课题之一，也是工程录井工作的主要内容。

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