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伊通地堑原油的重要性质是含蜡量高 ,原油碳同位素值主要在 -2 9‰至 -2 6‰之间 ,显示出较重的碳同位素特征 ,因此有的研究者认为存在低熟油。依据最新地化分析资料研究认为 :原油性质与伊通地堑特殊的原油母质有关 ;目前已经发现的原油基本为成熟原油 ,而非低熟油 ,部分为高成熟原油 ;由南部的莫里青断陷到鹿乡断陷 ,再到北部的岔路河断陷 ,原油成熟度逐渐增高。图 4参 4(刘鸿友摘 )
The important properties of the Yitong graben crude oil are high wax content and the carbon isotope values of crude oil are mainly between -29 ‰ and -2 6 ‰, indicating heavy carbon isotopic characteristics. Therefore, some researchers think that there is low-maturity oil. Based on the latest geochemical analysis data, it is considered that the nature of the crude oil is related to the special crude parent material of the Yitong graben. At present, the crude oil that has been discovered is basically mature crude oil rather than low mature oil, partly high-mature crude oil, Depression to deer depression, then to the north of Chaluhe rift, crude oil maturity gradually increased. Figure 4 Senate 4 (Liu Hongyou pick)