On the one hand, it is is very complex and difficult to identify fluid type of fracture reservoir because of its complex lithology, various reservoir types and heterogeneity.
一方面裂缝性储层具有岩性复杂、储集类型多样、物性变化大和非均质性强等特点，因而其测井解释和流体类型识别要复杂和困难得多。
Low porosity and high heterogeneity in carbonate reservoir make the conventional logging method invalid which USES the resistivity to identify fluid property.
碳酸盐岩储层由于其孔隙度低、非均质性强等原因，使得以电阻率高低来识别储层流体性质的常规方法失效。
It is held that the causes of leading to the variation are the sensitive mineral existing in the reservoir, the heterogeneity of the pore structure and the change of the salinity of foreign fluid.
引起水洗油层变化的主要因素是：油层含有敏感性矿物，孔隙结构的非均质性，以及外来流体矿化度的变化。
The fractured hydrocarbon reservoir of Chegu 20 buried hill is featured in its complicated pore space pattern, strong heterogeneity, and complex fluid property.
车古20潜山裂缝性油气藏孔隙空间结构复杂，非均质性极强，流体性质难确定。
The fractured hydrocarbon reservoir of Chegu 20 buried hill is featured in its complicated pore space pattern, strong heterogeneity, and complex fluid property.
车古20潜山裂缝性油气藏孔隙空间结构复杂，非均质性极强，流体性质难确定。
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