油井计量罐单元设计

浙江工业大学毕业设计（论文）I本科毕业设计题目：油井计量罐单元设计学院：成教学院专业：过程装备与控制工程班级：2012级1201班学号：1350306001学生姓名：翁涛指导老师：问朋朋提交日期：2015年5月30日浙江工业大学毕业设计（论文）II油井计量罐单元设计学生姓名：翁涛指导教师：问朋朋浙江工业大学成教学院摘要本论文提出油井产量计量是掌握油井动态，分析油储层的变化情况，科学地制定油田开发方案的重要依据。是原油生产单位的一项重要日常工作。目前中国油井产量计量在动态周期性计量的基础上，普遍采用多井集中计量方式，对于单拉井，可采用静态计量方式，对于开采后期的油井，针对其普遍低产少气的特点，可采用活动计量或软件计量方式，其中软件计量应用最多的是页面恢复法、功图法。20世纪末国内外研制开发的多相流量计可同时计量管道内油、气、水的产量，是油井产量计量技术的发展方向。现有的计量方法工人劳动强度大，准确度低，可靠性差。尤其超稠、特稠原油油井产量的计量，速度非常慢。项目针对超稠原油计量准确度低、不能实时计量的现状，采用称重的方式对原油进行计量。解决了稠油计量的准确度、可靠性、耐久性及实时在线计量的问题。采用垂直计量罐，在计量罐原油进口处安装伞状分离器，达到油气部分分离的目的。在翻斗上安装称重传感器，采用两个翻斗轮流计量。通过称出原油重量，得到原油产量。解决了油中含气造成假体积带来的计量误差。采用对称的两个独立料斗，通过称重传感器检测原油重量的同时，也检测到一条重量随时间变化的曲线，通过计算得到累计流量，再换算成产量，采用的翻斗称重法，即时消除油中含气和稠油残留造成的误差，实现了超稠、特稠原油油井的实时在线计量。关键词：油井产量，计量，料斗，采集浙江工业大学毕业设计（论文）IIITheDesignofoilwellmeteringtankunitStudent:WengTaoAdvisor:Mr.WenCollegeofEngineeringZhejiangUniversityofTechnologyAbstractAprocedureisOilwellproductionmeasurementistomasterthedynamicchangesoftheoilreservoirwasascientificprogramtodevelopanimportantbasisforfielddevelopment.Isanimportantcrudeoilproductionunitsdaily.China'scurrentoilproductioninthedynamicmeasurementbasedonperiodicmeasurement,concentrationmeasurementcommonlyusedinmulti-wellmethodforpullingtheoilwells,thestaticmeasurementmethodcanbeusedfortheextractionwellslater,lessgasforitsgenerallylow-yieldingcharacteristics,canbemeasuredusingtheactivityorsoftwaremetering,whichisthemostwidelyusedsoftwaremeteringpagerestorationmethod,diagrammethod,developedbythelate20thcenturydomesticandMultiphaseFlowMetercansimultaneouslymeasuretheoilpipes,gasandwaterproduction,oilproductionismeasurementtechnologydevelopment.Themethodofmeasuringtheexistingworkersinlabor-intensive,lowaccuracy,poorreliability.Inparticular,ultra-thick,especiallythemeasurementofviscouscrudeoilproduction,thespeedisveryslow.Difficulttodischargethegas,youneedtosettlementmorethan4hours,cannotachievereal-timeonlinemeasurement.Measuredbytheverticaltank,thetankofcrudeoilimportstoinstallumbrellaseparatortoachievethepurposeofseparationofoilandgassection.Loadcellisinstalledinthedump,measuredusingtwotippingrotation.Saidacrudeoilbyweight,arecrudeoilproduction.Solvetheresultinggasoilvolumecausedbyfalsemeasurementerror.Symmetricalhopperwithtwoindependent,theweightofcrudeoilbyweighingsensor,butalsodetectedachangeinweightwithtimecurvesobtainedbycalculatingthecumulativeflow,andthenconvertedintoproduction,theuseofthedumpweighingmethod,immediatelyremovetheoilgasandheavyoilresiduesinthecauseoftheerror,toachievetheultra-thick,viscouscrudeoilspecialreal-timeonlinemeasurement.Detailsofcommonlyusedoilproductionandapplicationofmeasurementmethods,productionmanagementfortheoilfieldhassomesignificance.Keywords:Oilproductionoff，Measurement，hopper，Acquisition浙江工业大学毕业设计（论文）IV目录中文摘要.............................................................i英文摘要............................................................ii目录...............................................................iii表列................................................................iv图列.................................................................v第一章绪论.....................................................................................................................61.1方案论证.........................................................................................................61.1.1国内外油井产量自动计量技术发展现状.............................................61.1.2几种典型自动计量方案对比分析.........................................................71.1.3称重式油井计量方案的优越性...........................................................81.2设计任务、过程与步骤...................................................................................9第二章称重式油井自动计量装置总体设计...............................................................102.1计量要求的参数指标...................................................................................102.2计量原理与总体方案论证...........................................................................102.2.1计量原理...................................................................................................102.2.2总体方案论证...........................................................................................11图2-2计量装置组成......................................................................................................112.3计量公式与精度分析...................................................................................11第三章计量罐的设计...................................................................................................133.1计量罐总体结构设计与计算.......................................................................133.1.1基本设计参数...................................................................................133.1.2筒体尺寸计算与材料选择...............................................................133.1.3封头设计...........................................................................................143.1.4强度计算与水压试验.......................................................................153.2开孔补强........................................................................................................1