国内外气田地面工程技术研究进展

*Vol.17No.2Mar.2006PetroleumPlanning&EngineeringDiscussiononCoordinatedDevelopmentofNaturalGasIndustryinChinaWuYin，etal.ThreestagesfordevelopingnaturalgasmarketinChinaincludingstart-up，developmentandautumnstagesareintroduced.Themaindevelopmenttrendofnaturalgasindustryinthedevelopmentstage（from2005to2030）isdiscussed.AccordingtotherisingcharacteristicsofnaturalgasdemandinthedevelopmentstageofnaturalgasmarketinChina，thereisaneffectivelinkruleamongresource，pipelineandmarket.ItisdefinitelypointedoutthattheconstructionofundergroundgasstorageisthekeytodevelopnaturalgasnetworkinChina.Duetotherapidincreaseoftheproportionofgasinputtogasconsumptiongross，itisneededtoreadjustthelayoutofpipelineconstructioninChina.DevelopmentofSurfaceEngineeringandTechnologiesforGasFieldsatHomeandAbroadBaXili，etal.ThecurrentsituationofgasfieldsurfaceengineeringconstructionofthePetroChinaCompanyLimitedduringtheTenthFive-YearPlanPeriodisintroduced.Aseriesoftechnicalachievementsinthegasfieldsurfaceengineeringconstructioninclude（1）gasgatheringandtransportationunderhighpressure；（2）highsulfurandhighratioofcarbontosulfurgasgathering，transportationandpurification；（3）dehydrationofnaturalgas；（4）recoveryofnaturalgasliquid；（5）high-pressurecondensategasgatheringandtreatmenttechnology；（6）treatmentofproducedwaterofgasfield；（7）automaticcontrolsystemofgasfield；（8）anti-corrosiontechniqueforgasfield；（9）monitoring，inspectingandevaluatingtechniquesofgatheringpipelinenetwork.Theachievementsofsafety，environmentandenergyconservationarealsodescribed.Theadvancedtechniquesinthegasfieldsurfaceengineeringathomeandabroadareintroduced.ThekeytechnologiesforthegasfieldsurfaceengineeringconstructionduringtheEleventhFive-YearPlanPeriodareproposed.NewDevelopmentofNaturalGasGatheringTechnologyinChinaTangXiaoyong，etal.ThenewdevelopmentofnaturalgasgatheringtechnologyinChinaisdescribed，includingoverhigh-pressuregasgatheringtechnology,gas-liquidtwo-phaseflowtransmissiontechnology，gasgatheringtechnologyforhigh-sulfurgasfield，specialmaterialchoicetechnologyandlow-temperaturegasseparationtechnology.Thenewmeansusedinthedesignandsurveyofgasgatheringengineeringareintroduced.Theriskassessmenttechnologyforgasgatheringsystemisdiscussed.ThefurtherdevelopingdirectionofthegasgatheringtechnologyinChinaisproposed.TechniqueforDevelopmentofUndergroundGasStorageParkinDaqingLamadianOilFieldHuangFusheng，etal.TheconstructionofLamadianundergroundgasstorageparkinDaqingOILFieldisbasedongastopinthesandstonelayerofLamadianarea.ItisthefirstlyconstructedundergroundgasstorageparkinChina.Inthedesignofthispark，aseriesofcentraltechniquessuchascalculationmethodsfortotalstoragecapacity，nodeanalysistechniqueforinjection-productionsystem，monitoringtechniqueofdynamicsystemandoil-gasinterfaceadjustmenttechnique，measurementtechniqueforhigh-pressuregasandscientificmanagementmethodologyareallapplied.Thesetechniquesplayedimportantroleforinsuringthestabilityofoil-gasinterfaceandreasonablyutilizingresource.ConstructionTechnologyforUndergroundStorageParkinBanqiaoCondensateGasReservoirMengFanbin，etal.SomecrucialtechniquesappliedintheconstructionofDagangundergroundgasstorageparkareintroduced，includingvalidtrapestimationtechniques，estimationmethodsfororiginalcapacityandstoragecapacityindex，optimizationofwellnumberandtubesize，multi-functiondesignofcompletiontubingforinjection-productionintegrationtechnique，throughtubingperforatingtechnique.Theachievementsinthesurfaceconstructionprocessoftheundergroundgasstorageparkandthecorrespondingtechniquesaredescribed.Thosetechniquescanprovideavaluableabasementforbuildingthesametypegasstorageparkandimprovingthedesignleveloftheundergroundgasstorageparkinthesandstonereservoirs.ResearchofGasProcessingTechnologyinChangqingGasFieldGuanDanqing，etal.Accordingtothegeologicalcharacteristicsofdifferentreservoir，thelow-temperaturegasseparationtechnologywasappliedinChangqingGasField.Thedevelopmenthistoryandcurrentapplicationofgasprocessingtechnologyathomeandabroadareintroduced.Thetechnicalproperty，workingmechanismandflowchartofthelow-temperaturegasseparationtechnologyaredescribed.Themethodsforproperlycontrollingtemperatureinlow-temperatureseparationprocessarediscussed.Theprinciplesofthenewlycreatedlow-pressuredifferentialandthrottlingrefrigerationtechnologyarepresented.StudyonDecarbonizationandDesulfurizationTechnologywithCompoundMDEASolutioninJingbianGasFieldZhuTianshou，etal.InlightofthecharacteristicsofgasinJingbianGasField，theMDEA-basedcompoundedsolutionismadeandappliedinthisfield.Theresultsshowthatthecompoundedsolutionhasthepropertiesofhighcapacityforloadingsourgas，muchbetterindesulphurizationanddecarbonization，andgoodeconomicsuitability.Thecompoundedsolutionissuitablefortheunitstoremovesulfurandcarbonwithlowerenergyconsumptionandtoensurethepurifiedgasmeetingthequalitystandard.Theoptimizationofoperationparametersforthetreatingunitsisfavorableforreductionofenergyconsumptionandoperationcost.Goodeconomicalbenefitshavebeenobtained.VerticalDesignofGeneralDrawingZhenJianchao，etal.Accordingtotheimporta