Part of rock minerals have the same fluorescencecolour as the crude oil during the cutting analysis, which makes it difficult to identify the cutting samples containing oil.
在录井工作中，部分岩石矿物具有与石油同样的荧光颜色，这就使识别岩样含油荧光更加困难。
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Moreover, the obtained fluorescence image contrast was preatly enhanced using pseudo-colour image processing technique.