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Geochemical characteristics of oil samples from tidal zone and shallow water area in Liaohe depression

机译：辽河坳陷潮汐区和浅水区油样的地球化学特征

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GC and GM-MS experiments are exerted for 34 oil samples in shallow water area of Liaohe Depression. The results show that Gas chromatograms are clear, continuous and intact which means the bio-degradation can be ignored. Originally the sediments are mainly deposited under oxidization environment. The oil resource is composed by the bacteria, aquatic organisms and higher plans. The depositional environment changes from reductive type to oxidization in the W-E direction. The salt content is high. From Lingnan well area in the west to Kuihua well area in the east the oil maturity increases. According to the depositional environment, source rocks and maturity features the oil samples are divided into 3 types. A is located in the west and centre of study area and Gammacerane index is less than 0.2. B in the centre and east. A and B are different in the organic import degree. To be specific the A is mainly supported by aquatic organisms while the B by continental materials. C has high gammacerane of more than 0.55, which comes from salt water environment.
机译：辽河坳陷浅水区34种油样品施加GC和GM-MS实验。结果表明，气相察图清晰，连续和完整，这意味着可以忽略生物降解。最初，沉积物主要沉积在氧化环境下。石油资源由细菌，水生生物和更高的计划组成。沉积环境从改造类型变为W-E方向上的氧化。盐含量高。从西部的岭南井地区到东部的kuihua井面积油成熟增加。根据沉积环境，源岩和成熟度特征，油样品分为3种。 A位于西部，学习区和伽马河指数的中心小于0.2。 B在中心和东方。 A和B在有机进口程度中不同。具体而言，A主要由水生生物支持，而B由欧式材料。 C具有超过0.55的高伽理，来自盐水环境。

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