实测天然气扩散系数在地层条件下的校正

付广，张云峰，陈昕，薛永超

doi:10.11867/j.issn.1001-8166.2001.04.0484

地球科学进展 >

2001 , Vol. 16 >Issue 4: 484 - 489

DOI: https://doi.org/10.11867/j.issn.1001-8166.2001.04.0484

学术论文

实测天然气扩散系数在地层条件下的校正

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大庆石油学院，黑龙江大庆 151400

付广(1962-),男,辽宁省抚顺人,副教授,主要从事石油与天然气地质研究. E-mail:wangpy@dqpi.edu.cn

收稿日期: 2000-09-13

修回日期: 2000-12-21

网络出版日期: 2001-08-01

基金资助

中国石油天然气集团公司科技中青年创新基金（编号：200011）和黑龙江省杰出青年基金项目“天然气富集主控因素定量研究”（编号：00A003）.

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CORRECTING OF GAS DIFFUSION COEFFICIENT TO SUBGROUND CONDITIONS AND ITS RESEARCH SIGNIFICANCE

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Daqing Petroleum Institute,Daqing 151400,China

Received date: 2000-09-13

Revised date: 2000-12-21

Online published: 2001-08-01

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摘要

在研究天然气在地下岩石中扩散机理及扩散系数测试方法的基础上，指出了实测天然气扩散系数与地层条件下的差异，利用实测饱和水和干样条件下人造石英粉砂岩的扩散系数值的比值与其物性之间的关系，利用爱因斯坦方程建立了实测天然气扩散系数的饱和介质转换和温度校正方法。该方法的实际应用表明，校正结果符合地质规律，表明该校正方法是可行的。

关键词： 天然气; 扩散系数; 地层条件; 饱和介质转换; 温度校正

本文引用格式

付广，张云峰，陈昕，薛永超 . 实测天然气扩散系数在地层条件下的校正[J]. 地球科学进展, 2001 , 16(4) : 484 -489 . DOI: 10.11867/j.issn.1001-8166.2001.04.0484

Abstract

Based on the study on the gas diffusion mechanism in subground rocks and the method measuring gas diffusion coefficient, This paper points out the difference between measured gas diffusion coefficient and that in the stratigraphic condition, by using the gas diffusion coefficients in the condition of no water and water-saturated, established the relation between the ratio of the gas diffusion coefficients of man-made quartz silt-stone in no watersaturated and in water condition, by this relation, this paper establishes the method of medium change to measured gas diffusion coefficient. By Einstein equation, this paper established the method of temperature correcting to measured gas diffusion coefficient. The applied results of this method indicate that it tallies with geological law and prove that it is practical.

Key words： change; Temperature correcting; Gas; Diffusion coefficient; Stratigraphic condition; Medium

参考文献

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