Because the formation fluid can not seep in well bore, people find out reservoir usually by cuttings logging, gasometry logging, core analysis, fluorescence etc.

由于地层流体不能进入井筒，过平衡钻井时要确定油气层一般都通过岩屑录井、气测录井、岩心分析、荧光等来实现。

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NMR (Nuclear Magnetic Resonance) logging technology is mainly used for quickly and accurately analyzing physical parameters of core, cuttings and the sidewall core on drilling site.

核磁共振录井技术主要用于在钻井现场快速、准确地分析岩心、岩屑和井壁取心的物性参数。

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How to solve the logging problem of the fine cuttings drilled by PDC bits has become the focus that has been paid close attention to by the geological logging persons.

如何解决PD C钻头钻进的细碎岩屑录井问题，已成为地质录井界有关人士关注的焦点。

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