Dark mudstone works as good source rock, with middle-good organic abundance, sapropel-humic and humic organic types as well as mature-high mature generation stage.
暗色泥岩有机质丰度中等—好，以腐泥—腐殖型和腐殖型为主，普遍进入成熟—高成熟阶段，是好的烃源岩。
The formation and development of fault impact the distribution and thermal evolution degree of chief source rock, form kinds of traps , and provide good migration channel.
断裂的形成和演化影响主力烃源岩的分布和热演化程度，形成多种类型的圈闭，为油气运移提供良好的运移通道。
Since they are near source rock and have good reservoir beds and channels, the low-system-type fans can form lithologic oil pools.
坡折带下的低位扇由于离源岩近、次生裂隙发育和疏导条件优越，易形成岩性油藏。
And developed fracture can be seen in this area and better coal-type gas source rock can also discovered in the hinterland. So, there is a good exploration prospect for coal-type gas.
宋站南地区断裂发育且腹地有较好的煤型气源岩分布，其煤型气更有勘探前景。
And developed fracture can be seen in this area and better coal-type gas source rock can also discovered in the hinterland. So, there is a good exploration prospect for coal-type gas.
宋站南地区断裂发育且腹地有较好的煤型气源岩分布，其煤型气更有勘探前景。
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