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硫在天然气中的溶解机理实验研究 被引量:10

EXPERIMENTAL RESEARCH ON THE MECHANISM OF SULPHUR BEING DISSOLVED IN NATURAL GAS
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摘要 通过对天然气中硫溶解度的室内实验模拟,发现温度、压力和气体组成是影响硫在天然气中溶解度的主要因素。随着温度和压力的升高,硫的溶解度增大;同时气体中硫化氢以及重质组分的含量也是也影响其溶解度大小的组分因素中最重要的两个因素,前者的作用说明了硫在天然气中的化学溶解的存在,而后者则说明天然气中的重质组分是硫的天然物理溶剂,重质组分含量越高硫的溶解度越大,且随着组分中碳原子数的增加而增大。因此,硫在天然气中的溶解机理既包括化学溶解也包括物理溶解,是二者的有机结合。这对认识和防止高含硫气藏开发过程中在地层发生元素硫沉积,合理高效地开发含硫气藏提供了理论基础。 Through the experimental simulation of the solubility of sulphur in natural gas, it was found that the temperature, pressure and gas composition are the key factors affecting the solubility of sulphur in natural gas. Along with the increases in temperature and pressure, the solubility of sulphur increased. Meanwhile, the hydrogen sulfid content and heavy hydrocarbon content are the most important two subfactors in gas composition factor. The former indicated that there existed the chemical dissolve of sulphur in natural gas, and the latter showed that the heavy hydrocarbon in natural gas was the crude physical solvent; the higher the heavy hydrocarbon content, the greater the solubility of sulphur; and along with the addition of the number of carbon atoms in heavy hydrocarbon, the solubility of sulphur increased. Therefore the mechanism of sulphur being dissolved in natural gas includes chemical solution and physical solution, being an organic combination of the both, thus providing a theoretic basis for understanding and preventing the sulphur from depositing out in the formation in the process of sour gas reservoir development and for high-effectively developing the sour gas reservoir.
出处 《天然气工业》 EI CAS CSCD 北大核心 2005年第4期31-33,共3页 Natural Gas Industry
基金 国家重点基础研究973项目子课题(项目编号2001CB209108)资助的部分研究成果
关键词 天然气 溶解度 温度 压力 成藏分析 溶解度 Sulphur, Dissolved mechanism, Sour gas reservoir
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参考文献6

  • 1王琛,高承泰.油层非均质双峰分布规律的确定[J].石油勘探与开发,1999,26(4):57-59. 被引量:21
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二级参考文献6

  • 1高承泰.根据统计资料研究油层非均质性分布的新方法.油田开发论文集(第一集)[M].北京:石油工业出版社,1982.131-147.
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