收稿日期: 2003-08-31
修回日期: 2003-10-16
网络出版日期: 2004-02-20
基金资助
国家重点基础研究发展规划项目“天然气高效运移输导物理模 拟及地质模式”(编号:2001CB209104)资助
GEOLOGICAL FACTORS CONTROLING GAS DIFFUSION LOSS IN STRATA SECTION
Received date: 2003-08-31
Revised date: 2003-10-16
Online published: 2004-02-20
付广,苏玉平 . 控制地层剖面中天然气扩散散失的地质因素[J]. 天然气地球科学, 2004 , 15(1) : 58 -61 . DOI: 10.11764/j.issn.1672-1926.2004.01.58
Through the analysi s of ga s diffussion loss mechanism and its influce factors in strata ,in this paper the geological factors cintrolling gas diffusion loss in strata section was studied overally and systermly.This papper considered that the good or bad of supplying gas conditions controlled the happen and the continousness of gas diffusion; th e concentration of gas in water and its variaty of strata section were controlle d by the conditions of temperature and pressure environment,which further contro lled the direction and intensity of gas diffusion;the types of rocks and their c ombination in strata section controlled the big or small of gas diffusion coeffi cient; the stop and the stop period of gas diffusion was controlled by the overl ying concentration caprock and its formation period.
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