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为了进一步评价乌力吉构造带烃源岩情况,进而为查干凹陷的勘探提供钻井依据,我们对毛11井进行了评价。利用有机地球化学实验分析方法,从有机质丰度、类型、成熟度三个方面对毛11井烃源岩特征进行分析。分析结果显示,巴音戈壁组一段与二段有机质丰度较高,烃源岩有机质类型以Ⅱ2型为主,已进入成熟阶段,整体评价为较好烃源岩。
In order to further evaluate the source rock of the Ulijiji tectonic belt and to provide a drilling basis for the exploration of the Chagan Depression, we evaluated the M11 well. Using organic geochemical experimental analysis method, the characteristics of source rocks of Mao 11 well are analyzed from the aspects of abundance, type and maturity of organic matter. The results show that the abundances of organic matter in the first and second member of the Bayingeobi Formation are higher than those in the second member of the Bayinogobi Formation. The organic matter type of the source rock is mainly Type II2 and has entered into the mature stage. The overall evaluation is a better source rock.