低渗透碳酸盐岩气藏数值模拟精细历史拟合技术研究-伍勇

2012－12－05“”SKZ07－01。1980－2008。[e-mail]。[e-mail]伍勇1，2，兰义飞1，2，蔡兴利1，2，刘志军1，2，张建国1，2，纪文娟1，2，张军祥2，3(1长庆油田公司勘探开发研究院2低渗透油气田勘探开发国家工程实验室3长庆油田第四采气厂)．．201336252－54数值模拟是气藏动态分析的重要手段，但对于靖边气田下古生界碳酸盐岩气藏，由于储层非均质性强、井筒流动规律复杂，历史拟合多解性强，利用常规静态地质储量、井口压力、产量资料进行历史拟合难以准确确定历史拟合调参数及其取值范围。在常规历史拟合基础上，开展气井单井动储量评价、井筒流动动态分析、压力恢复试井及产气剖面分析，并将其研究结果用于指导数值模拟历史拟合，有效降低了历史拟合的多解性，为准确建立低渗透碳酸盐岩气藏数值模拟模型和开展气藏动态预测奠定了基础。气藏;数值模拟;历史拟合;多解性;动态预测DOI10．3969/J．ISSN．1006－768X．2013．02．15、1－48－9、、、。。1．。、、5－6、、。2．。。3．。4．。、、、·25·DＲILLING＆PＲODUCTIONTECHNOLOGY20132Mar．2013、。1．、、。1。2．Cul-lender－Smith6VFP。2。VFP-DP3。3．、。×7－94．82。4。4．。。5×3157．2%。56。、、“5000×104t”、“·35·362Vol.36No.2DＲILLING＆PＲODUCTIONTECHNOLOGY”。、、、、。1．J．199515395－96．2．、C．20072298－304．3．J．2009305613－615．4．J．2008320－23．5．M．2002．6．M．2001．7GAOShu－shengQIANGen－baoWANGBin．Numeri-calsimulationstudyofmechanismforgassupplyinganddraininginvolcanicgasreservoirinXinjiangbasedondu-almediamodelJ．ＲockandSoilMechanics201101．8．21J．200528393－95．9．J．200730661－65．·45·DＲILLING＆PＲODUCTIONTECHNOLOGY20132Mar．2013ABSTＲACT4DＲILLING＆PＲODUCTIONTECHNOLOGYVol．36No．2Mar．2013studentofChinaUniversityofPetroleumBeijingbeingen-gagedintheresearchonSC－CO2drillingtechnology．AddStateKeyLaboratoryofPetroleumＲesourceandProspectingChinaUniversityofPetroleumBeijingNo．18FuxueＲoadChangpingDi[e-mail]IONOPTIMIZA-TIONWITHINFLOWCONTＲOLDEVICESINBOT-TOMWATEＲDＲIVEGASＲESEＲVOIＲSYANGJinxian1LIHaitao2DONGShexia3andJIAChao41．GraduatefacultySouthwestPetroleumUniversity2．Petro-leumEngineeringInstituteofSouthwestPetroleumUniversity3．CNOOCServiceCo．OilfieldProductionＲesearchInstitute4．CCDCGeologicalExploration＆DevelopmentＲesearchInstitu-teDPT362201345－47AbstractWellcompletionwithinflowcontroldevicesICDcanefficientlycontrolwaterconingingasreservoirwithbottomwaterwhichcanenhancegasrecoveryfactorandprolonggaswells’life．IngeneralwellcompletionwithICDbasedontheproductionprofileofalonghorizontalwellwhichisaddedtopressdropcanmakegas－waterinterfacemoveregularlyandaveragethesegmentflux．Howeverthismethodcan’toptimizethecumulativeproductionofhorizontalgaswellonlymaydelaythetimeofwaterinflowingintohole．BasedonthepredecessorcoupledmodelandmaxcumulativeproductionofhorizontalwellbeforewaterbreakthroughthesegmentationandpressuredropvalueofhorizontalwellcompletionwithICDweredetermined．Itprovidedtheoreticalbasisforoptimumdesignofhorizontalwellcontrolwater．KeywordscontrolwaterinflowcontroldevicesbottomwatergasreservoirpressuredroppressureprofilecoupledmodelYANGJinxianisstudyingforhismaster’sdegreeinSouthwestPetroleumUniversity．AddOffice312StateKeyLaboratoryBSouthwestPe-troleumUniversityXinduDistrict610500Chengdu[e-mail]OSPECTOFHOＲI-ZONTALWELLMULTISTAGEACIDIZINGANDACIDFＲACTUＲINGTECHNIQUECAIChengzhengLIGenshengSHENZhonghouTIANShoucengHUANGZhongweiandFANXinStateKeyLaborato-ryofPetroleumＲesourceandProspectingChinaUniversityofPetroleumBeijingDPT362201348－51AbstractHorizontalwellmultistageacidizingandacidfracturingtechniqueareanimportantmeasureforreservoirsstim-ulationwhichhavebeenwidelyusedintheexploitationofoilandgas．Severalcommontechnologiesofhorizontalwellmulti-stageacidizingandacidfracturingathomeandabroadweresum-marizedincludingdeliveringsealballschemicaldiversioncoiledtubingacidinjectionhydraulicjetandpackersdiversiontechnology．Pinpointjetacidizingtechnologywhichisnewandalsoiswidelyappliedwasintroduced．Andseveraltechnologiesoftheseincludingdrillpipejetacidizingtechnologyspiraljetacidizingtechnologyandself－aligningjetacidizingtechnologywerediscussedindetail．Thedevelopmenttendencyofhorizontalwellmultistageacidizingfracturingwasanalyzed．Snubbingdraggingtubinghydraulicjetanddraggingcoiledtubingacidizingfracturingtechnologyweredeemedtobepromising．Correlativematchingtechnologywillalsobeimprovedwiththedevelopmentofacidizingfracturingtechnology．Hydraulicjetandcoiledtub-ingdraggingtechnologyhaveagoodprospectpinpointjettech-nologycouldsatisfycomplexwellconditionsbecauseofitstools’sflexiblestructureandsize．Atlastsomesuggestionsabouthowtoselectappropriateacidizingtechnologywereputforward．KeywordshorizontalwellmultistageacidizinghydraulicjetdevelopmentCAIChengzhengbornin1988isapostgraduatestudentofChinaUniversityofPetroleumBeijingbeingengagedintheresearchonoil/gaswellstimulation．AddStateKeyLaboratoryofPetroleumＲesourceandProspectingChinaUniversityofPetroleumBeijingNo．18FuxueＲoadChangpi[e-mail]MULATIONFINEHISTOＲYMATCHINGTECHNOLOGYOFLOWPEＲ-MEABILITYCAＲBONATEGASＲESEＲVOIＲWUYong12LANYifei12CAiXingli12LIUZhijun12ZHANGJianguo12JIWenjuan12andZHANGJunxiang231．ChangqingOilfieldExplorationandDevelopmentＲesearchInsti-tute2．NationalEngineeringLaboratoryofLowPermeabilityOilandGasFieldExplorationandDevelopment3．ChangqingOil-fieldNo．4GasProductionFactoryDPT362201352－54AbstractNumericalsimulatio