高含硫气田集输系统增压模式优化研究  

Optimization Research of Pressurizing Mode for Gathering and Transportation System in High Sulfur Gas Field

作　　者：屈丹龙[1] QU Danlong(Department of Exploration and Development,SINOPEC)

机构地区：[1]中国石油化工股份有限公司油田勘探开发事业部,100728

出　　处：《油气田地面工程》2020年第5期37-41,共5页Oil-Gas Field Surface Engineering

摘　　要：随着高含硫气田的持续开发,气井井口压力逐步低于集输压力,亟需实施集输系统增压运行。采用OLGA软件,以气液两相流、压降预测、耦合传热理论为基础,针对高含硫气田集输管网高程差、气体组分、液气比、管网全尺寸参数等工况条件,建立了复杂山地高含硫湿气集输系统生产运行的数值模型,以集输系统生产历史数据为基础,验证模型准确性并进行修正。考虑单井、多井或单线配置压缩机等情况,根据开发预测的各井压力变化情况,计算集输管网的压力分布及系统能耗,重点分析了单站增压、区域+单站增压、集输干线增压三种模式,最终优选出高含硫气田集输系统增压模式。With the continuous development of high sulfur-containing gas fields,the wellhead pressure of gas well is gradually lower than the gathering pressure,so it is urgent to implement the pressurization operation of gathering and transportation system. Based on the theories of gas-liquid two-phase flow,pressure drop prediction and coupled heat transfer,OLGA software is used to establish a numerical model for the production and operation of high sulfur wet gas gathering and transportation system in complex mountainous areas according to the operating conditions such as height difference,gas composition, liquid-gas ratio, full-size parameters of the pipe network. Based on the historical production data of gathering and transportation system,the accuracy of the model is verified and corrected. Considering the single well,multi-well or single-line configuration of compressors,the pressure distribution and system energy consumption of gathering and transportation pipeline network are calculated according to the pressure changes of each well predicted by development conditions. The three modes of single-station pressurization,region+single-station pressurization and gathering and transportation trunk line pressurization are emphatically analyzed,and finally the pressurization mode of gathering and transportation system in the high sulfur gas field is selected.

关 键 词：高含硫气田 集输系统 气井压力 增压模式 

分 类 号：TE863[石油与天然气工程—油气储运工程]