Quantitative Eval uatian and Application of Concentration Seal of Caprock
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摘要: 分子扩散是自然界普遍存在的现象,而天然气的扩散是天然气运移的重要机理,气藏形成后,天然气可以通过盖层扩散损失①。天然气通过盖层扩散程度的大小是评价盖层封闭能力的关键。本文提出了盖层烃浓度封闭机理及定量评价的方法,并利用此方法对琼东南盆地主要盖层进行了研究。Abstract: Diffusion of molecule is Irec;uent in the nature,diffusion of natural gas is importarlt migra-tory mechanisms "The natural gas in reservoir may diffuse through caprock. The key to the quantitative evaluation of aealing ability of caprock is to make out the quantity of diffusion through caprock, The mechanism and the method of evaluate quantitativly the concentration seal of raprock arc put forward in this paper. T'he main caprocks in Qiong Dong Nan basin are studied using the method.
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Key words:
- Caprock /
- Goncentration seal /
- Diffunion
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[1] 1.黄志龙等,夭然气扩散模型的建立及其应用,大庆石油学院学报.1994.3:8-13。 -

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