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1、多层砂岩气藏隔层水窜突破压力试验研究第42卷第9期中国测试Vol.42No.9doi院10.11857/j.issn.1674-5124.2016.09.028李俊南1袁刘洪1袁庞进1袁奎明清2袁温中林2袁李倩3重庆401331；青海格尔木736202；（1援重庆科技学院石油工程学院，2•中国石油青海油田分公司，3•中国石油西南油气田安全环保与技术监督研究院，四川成都610041）导致水窜现象的规律研究更加复杂。通过物理试验，可以深入认识其摘要院多层砂岩气藏隔层突破压力存在荔异，对水窜规律的影响。该文在充分调研隔层水窜试验的基础上，
2、提出一种新的隔层突破压力测试方法，在模拟气体流动突破压力测试准确，根据试验结果分析泥状态条件中，建立三维岩心充填模型进行模拟试验。该方法考虑因素全面，泥质含量越低突破圧力越质含量与突破压力之间的关系，结果表明:隔层泥质含量与突破压力之间呈二项式关系，小，且泥质含量在40%~50%范围内，突破压力相差较小，当泥质含量高于55%以后，突破压力递增几乎呈线性关系。关键词院多层砂岩气藏隔层曰压力突破测试曰气体流动状态曰充填模型文献标志码院A文章编号院1674-5124渊2016冤09-013牛05Researchoninterlayerbr
3、eakthroughpressuretestofmulti-layersandstonegasreservoirLlJunnanl,LIUHongl,PANGJinl,KUIMingqing2,WENZhonglin2,LIQian3(l.PetroleumEngineeringCollege,ChongqingUniversityofScienceandTechnology,Chongqing401331,China；2.ChinaPetroleumNaturalgasDevelopmentinQinghaiOilfieldCom
4、pany,Golmud736202,China；3.PetroChinaSouthwestOilGasfieldCompanySafetyEnvironmentTechnologySupervisionResearchlnstitute,Chengdu610041,China)Abstract:Differenceininterlayerbreakthroughpressureofmulti-layersandstonegasreservoirmakesunderstandingofrulesofwaterchannelingphe
5、nomenonmorecomplex.Throughphysicalexperiment,canwellunderstanditsimpactonwaterchannelingregularity.Basedontheresearchoftheinterlayerwaterchannelingtest,thispaperproposesanewmethodofinterlayerbreakthroughpressuretest,andestablishesthethree-dimensionalcorefillingmodelint
6、hesimulationofgasflowstateconditionsforsimulationtest.Thismethodnotonlytakesmorefactorsintoconsideration,butalsomakesthetestresultmoreaccurately.Correlationbetweenshalecontentandbreakthroughpressureisanalyzedbasedonthetestresults,andtheresultsdemonstratethebinomialrela
7、tionshipbetweenshalecontentandbreakthroughpressure,whereinthelowertheshalecontentis,thesmallerthebreakthroughpressureis.Whentheshalecontentiswithin40%・50%,andthebreakthroughpressuredifferenceissmall.Whenshalecontentishigherthan55%,increasingbreakthroughpressuretakesona
8、lmostlinearrelationship.Keywords:interlayerofmulti-layersandstone；breakthroughpressuretest；gasflowingcondition；corefi
