Practice shows that geochemical log is technically superior in interpretation and evaluation of special oil and gas reservoirs.

实践证明：油藏地球化学录井在特种油气藏的解释与评价方面具有独特的技术优势。

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Reservoir geochemical exploration in well log can predict petroleum gas and appraise reservoir, because of its quick, accuracy and direct advantage.

井中油气化探快速准确，能较好地预测油气并指示钻井剖面的油气显示，实现井中油气储层的评价。

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A new method is raised for judging the grade of the watered-out zone with the aid of neural network technique using log and geochemical information.

借助神经网络技术，提出了利用测井、地球化学资料判别水淹层级别的新方法。

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