Based on the analysis of the features of the karst fissuredcave typed Ordovician carbonate reservoirs in Tahe oilfield, it is considered that Ordovician reservoir is a kind of special heavy-oil reservoir and the fluids in the reservoir have strong heterogeneities both in vertical and lateral.
通过对奥陶系岩溶缝洞型碳酸盐岩稠油油藏性质分析,认为该油藏是一种特殊类型的稠油油气藏,油藏内地下流体在垂向还是横向上均存在不同程度的非均质性。