Igneous reservoirs around well Luo 151 are featured by complex lithology, various storage space and strong heterogeneity.
罗151火成岩油气藏岩性复杂、储集空间多样、非均质性强，储层评价困难。
2
But the complex of anisotropy and difficulty of exploration of igneous rock reservoir far exceeds others.
火成岩非均质性的复杂程度和勘探难度都远远超过其它油藏类型。
3
Because of complex fracture system, faulted structures, and rich igneous rocks, SXF area is a representative low signal-to-noise ratio seismic data region in Subei basin.