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徐深气田天然气的盖层层位、岩性不同,造成其源盖之间的空间、能力配置关系不同,源岩和盖层在能力上的有效配置,在某种程度上决定该气田天然气富集数量。根据天然气藏源岩供气能力和盖层封气能力特征,对气藏源盖能力配置类型及其与储量丰度的关系进行研究,总结出该区的源盖能力配置类型,对研究徐深气田的形成条件和指导气田天然气的进一步勘探具有重要意义。
The gas caprock layers and lithology in the Xushen gas field are different, resulting in the different space and capacity distribution between the gas cap and source rocks. The effective allocation of the source rock and the cap rock in a certain extent determines the natural gas richness Set number. According to the gas supply capacity of natural gas source rocks and caprock sealing ability, this paper studies the types of gas source cap configuration and its relationship with reserves abundance, and summarizes the types of source cap ability allocation in this area. The forming conditions of gas field and guiding the further exploration of natural gas in gas field are of great significance.