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1、摇2009年2月摇摇摇摇摇摇大庆石油地质与开发Apr.,2009摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇第28卷第2期PetroleumGeologyandOilfieldDevelopmentinDaqingVol郾28No郾2DOI:10郾3969/J郾ISSN郾1000鄄3754郾2009郾02郾017异常高压气井动态优化配产模型研究及应用刘道杰摇周俊杰摇刘志斌摇贺摇英(西南石油大学,四川成都摇610500)摘要:异常高压气井动态优化配产方法改变了传统意义上的静态配产计算过程,减少了经验公式配产方法人为因素造成的配产不合理,也减少了配产对生产数据的依
2、赖性,使气井生产配产更准确更具有普遍意义。考虑了异常高压气井生产过程中压力的变化,将异常高压气井动态优化配产模型分为两个阶段:异常高压阶段和常压阶段,且对异常高压阶段进行了深入研究;针对气井井身结构、产出流体物性等因素的不同,筛选出相关约束条件建立了异常高压气井高压阶段最大日配产量、最大稳产年限、最大可采出量3个优化配产模型。实例分析表明,利用建立的异常高压气井动态优化配产模型获得的配产量是整个系统的最优产量,能够满足气井长期稳产高产的要求,配产方法对实际生产具有重要的指导意义。关键词:异常高压气井;动态;优化;配产模型中图分类号:TE349摇摇摇文
3、献标识码:A摇摇摇文章编号:1000鄄3754(2009)02鄄0072鄄04STUDIESANDAPPLICATIONOFDYNAMICALLYOPTIMIZEDALLOCATINGMODELOFABNOMALHIGH鄄PRESSUREGASWELLSLIUDao鄄jie,ZHOUJun鄄jie,LIUZhi鄄bin,HEYing(SouthwestPetroleumUniversity,Chengdu610500,China)Abstract:Dynamicallyoptimizedallocatingmethodofanabnormalhigh
4、鄄pressuregaswellhaschangedtraditionalstaticallocation爷scalculationprocessandreducedtheirrationalprorationcausedbyhumanfactorandexperimentalformula郾Inaddition,themethodhasalsolightenedthedependencyonoperationdataandfurthermoremadetheal鄄locationmoreaccurateandmorecommonlysignific
5、ant郾Consideringthepressurechangeofabnormalhigh鄄pressuregaswellinthecourseofoperation,thedynamicallyoptimizedandallocatedmodelofthiskindofgaswellcanbedividedintotwostages:abnormalhighpressurestageandnormalpressurestage郾Moreovertheformerstagehasbeendeeplystudied郾Inviewofthediffer
6、entfactorsofthegaswell:casingprogram,theproducedliquid爷sproper鄄tiesandsoon,therelativeconstrainingconditionshavebeenscreenedandthenestablishedthreeoptimizedalloca鄄tingmodelsforabnormalhigh鄄pressuregaswellinhighpressurestage:max郾dailyallocatedproduction,longeststabledaysandpeakr
7、ecoveredoutput郾Thecasestudyandanalysisshowthattheallocatedproductionbytheaboveestablishedmodelisthemostoptimizedoutputofthewholesystemandfurthermoreitcanmeettherequirementsoflong鄄termstableandhighproductionsofthegaswell郾Themethodpossessestheimportantguidingsignificancetoac鄄tual
8、operation郾Keywords:abnormalhigh鄄pressuregaswell;perfor