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。
The quantitative log interpretation is very difficult because of the complex lithology of carbonate reservoir and the incomplete logging suite in old oil and gas region.
碳酸盐岩储层岩性复杂，老油气区测井系列不全，测井定量解释的难度很大。
As the level of reservoir development improves continuously, some reservoir which has complex structure, lithology, reservoir, fluid characteristics has gradually become a main development objective.
随着油躲开发程度的不断进步，一些具有复杂的构造、岩性、储层、流体特征的油躲已逐渐成为主要的开发目标。
The gas bearing reservoir in Du Qiao Bai of Dong Pu depression is deep-lying reservoir with variableformation water, multi-blocks and complex lithology features.
东濮凹陷杜桥白地区天然气储集层埋藏深、岩性复杂、断块多、地层水变化大。
The lithology of deep wells in eastern Daqing oil field and complex, so calculating reservoir parameters and recognizing fluid are very difficult.
大庆油田东部深层某井区火山岩气藏岩性复杂、储层参数计算以及流体性质识别困难。
Meanwhile, the authors also point out that the small scale reservoir formation is controlled by tectonic fractures, it belongs to tectonic fracture and lithology complex trap types.
同时指出鸭子河地区深层油气的有限规模成藏实为由构造裂缝系统控制的小规模油气藏，属于构造裂缝和岩性复合圈闭成藏类型。
Reservoir in igneous lithology characters has become the focus of exploration targets of complex lithologic reservoir.
火成岩油气藏已经成为复杂岩性油气藏的重点勘探目标。
Reservoir in igneous lithology characters has become the focus of exploration targets of complex lithologic reservoir.
火成岩油气藏已经成为复杂岩性油气藏的重点勘探目标。
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