复杂地形及气象条件下H2S扩散预测技术分析  

PREDICTION TECHNOLOGY ON H2S DIFFUSION CAUSED BY NATURAL GAS LEAKAGE ACCIDENTS UNDER COMPLEX TERRAIN AND METEOROLOGICAL CONDITIONS

作　　者：刘中良[1] 罗志云[1] 王皆腾[1] 张建[2] 孙晓春[2] 

机构地区：[1]北京工业大学教育部传热强化与过程节能重点实验室及北京市传热与能源利用重点实验室 [2]中国石化胜利油田胜利工程设计咨询公司

出　　处：《天然气工业》2008年第4期111-113,共3页Natural Gas Industry

基　　金：中国石化川东北普光气田开发“十条龙”配套项目内容

摘　　要：针对我国高含H2S气田开采中,在复杂地形条件下天然气泄漏时H2S扩散影响区域的预测技术进行了分析。为了实现对H2S扩散影响区域的高效准确预测模拟,不能简单地采用基于内部或有限空间流动与传热传质的数值模拟软件(CFD软件)和方法,而必须将数值天气预报技术和污染物动态迁移模拟技术结合,综合考虑天气、地形、地貌及化学作用的影响。借助数值天气预报技术和气田地区历史天气记录,确定典型气象日,利用典型气象日的气象场,事先对天然气集输系统/井口可能发生的泄漏进行模拟,并制定相应的应急方案,是应对高含H2S气田泄漏事故的有效途径和方法。This paper studied the prediction technologies of the influenced area by H2S diffusion caused by natural gas leakage accidents in complex terrain.To realize highly efficient and accurate prediction simulation on the influenced area by H2S diffusion,the application of CFD software and the methods are not enough.It is necessary to combine the numerical meteorological prediction with the pollutant dynamic transition simulation technology and take the weather,terrain,topographical features and chemical action into consideration.Relying on the numerical meteorological prediction technology and historical weather record,the typical meteorological date can be identified.The meteorological field of the typical meteorological date can be used to simulate the leakage which might take place in the natural gas gathering system and well head whereby to formulate the emergency response plan.This is an effective tool and countermeasure to prevent leakage in the gas field with high H2S content.

关 键 词：天然气 泄漏 硫化氢 气体扩散 预测 气象场 地形 

分 类 号：TE973[石油与天然气工程—石油机械设备]