重庆科技学院本科生毕业设计摘要PAGE\*MERGEFORMATI摘要天然气的压缩因子、体积系数、压缩系数、粘度等高压物性参数随气藏压力和温度的变化而变化,定量描述和预测这些参数的变化规律具有十分重要的实际意义。通过电脑程序将天然气高压物性的相关经验公式转变为程序计算，能够很快的得到计算结果以及对计算结果的图形分析，通过最后的图形分析我们能很直观的看出高压物性参数之间的关系，有利于确定合理的开发速度和规模，节省投资，将资金投向回报率高的方案上。本文中首先介绍了天然气高压物性参数的相关经验及半经验公式，再利用excelVBA实现公式的程序计算，只要输入原始数据，点击相应的高压物性计算按钮就能得到计算结果，数据分析窗体能够自动输出高压物性与相关参数的图形。关键字：高压物性偏差系数粘度压力温度重庆科技学院本科生毕业设计ABSTRACTPAGE\*MERGEFORMATIIABSTRACTGascompressibilityfactor,volumefactor,compressibility,viscosityandotherphysicalparameterswithhighpressuregasreservoirpressureandtemperaturechanges,quantitativelydescribeandpredictthevariationoftheseparametershasaveryimportantpracticalsignificance.Throughacomputerprogramrelatedtothephysicalpropertiesofhighpressurenaturalgasintoaprogramtocalculatetheempiricalformula,canquicklygettheresultsandthecalculationresultsofthegraphicalanalysis,graphicalanalysisthroughthelastwecanseethepressureveryintuitiverelationshipbetweenthephysicalparameterswillhelpdetermineareasonablepaceandscaleofdevelopment,reduceinvestment,highreturnonthecapitalinvestmentprogramon.Thispaperfirstintroducesthegaspressureinthephysicalparametersrelevantexperienceandsemi.empiricalformulastoachievereuseexcelVBAprogramcalculatestheformula,aslongastheinputrawdata,clickontheappropriatebuttontobeabletocalculatethephysicalpropertiesofhighpressuretogetresults,analysisofdataformcanbeautomaticallyoutputpressurepropertiesandrelatedparametersgraphics.Keywords:PVTvariation；coefficientofviscosity；pressure；temperature；coefficientofvolume.重庆科技学院本科生毕业设计目录PAGE\*MERGEFORMAT28目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc357714196"摘要PAGEREF_Toc357714196\hIHYPERLINK\l"_Toc357714197"ABSTRACTPAGEREF_Toc357714197\hIIHYPERLINK\l"_Toc357714198"1绪论PAGEREF_Toc357714198\h1HYPERLINK\l"_Toc357714199"1.1国内外天然气高压物性参数计算发展历史PAGEREF_Toc357714199\h1HYPERLINK\l"_Toc357714200"1.2国内天然气分布PAGEREF_Toc357714200\h2HYPERLINK\l"_Toc357714201"1.3天然气高压物性参数计算的意义PAGEREF_Toc35771