计算法获得天然气烃露点影响因素探讨

Analysis of Influence Factors for Natural Gas Hydrocarbon Dewpoint by Calculation Method

关键词:  天然气  烃露点  计算法  影响因素  气相色谱法  重烃

Key words:  natural gas  HCDP  calculation method  influence factors  GC  heavy hydrocarbons

摘要:

烃露点是天然气的一项重要气质指标,准确测定天然气的烃露点,可为管道的安全运行和有效利用天然气提供技术支持。由组成数据计算天然气烃露点是获得烃露点的一种重要方法,文章分析探讨了计算法获得烃露点的影响因素,包括取样代表性、色谱分析结果的准确性及数据处理方式和计算软件的选择等。文章的结论对使用计算法获得准确可靠的烃露点提供了技术参考,对天然气管道的安全运行具有实际意义。

Abstract:

Hydrocarbon dewpoint(HCDP) is an important quality index of natural gas.Determining the HCDP of natural gas accurately can provide technical supports for pipeline safety operation and effectively utilizing of natural gas.It’s one of the main methods for obtaining HCDP to calculate it by natural gas composition.The main influence factors to calculate HCDP,including representative sampling,accuracy of composition analysis ways of handling analytical data and choice of calculation software were analyzed and studied in this article.The conclusions of the article have practical significance for obtaining accurate HCDP and ensuring safe operation of gas pipeline.