川东北普光气田飞仙关组鲕滩储集层预测
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摘要
普光气田是中国在碳酸盐岩地层中发现的第一个储量大于1千亿m3的大气田。分析普光气田飞仙关组鲕滩储集层地质特征,利用三维地震资料,在储集层精细标定、储集层地质建模与正演的基础上,确定储集层地震响应特征;分析储集层发育有利相带,采用地震属性分析和地震约束反演等技术进行储集层预测,建立了一套适合川东北飞仙关组鲕滩储集层的预测技术方法系列,预测了普光气田飞仙关组鲕滩储集层的分布,据此部署了7口井,其中完钻的普光4井获得高产气流,证实了储集层预测结果的正确性。图11参7
The PuguangGasFieldwithreservesofover100 billioncubicmetersisthefirstgiantoneeverfoundinthe carbonaterocksinChina.Thereservoirseismicresponse featuresweredeterminedbasedontheanalysisofthegeological characters,accuratereservoircalibration,geologicalreservoir modelingandforwardtechnology.Aseriesoftechnologiesfor predictingoolitereservoirofFeixianguanFormationinthe PuguangGasFieldweredevelopedaccordingtotheanalysisof favorablefaciesbelts,seismicattributesandseismicconstrained inversion.Basedonthese,sevenwellsweredeployed.Among them,thefinishedWellPuguang4yieldsahighgasproduction andconfirmstheaboveprediction.
The PuguangGasFieldwithreservesofover100 billioncubicmetersisthefirstgiantoneeverfoundinthe carbonaterocksinChina.Thereservoirseismicresponse featuresweredeterminedbasedontheanalysisofthegeological characters,accuratereservoircalibration,geologicalreservoir modelingandforwardtechnology.Aseriesoftechnologiesfor predictingoolitereservoirofFeixianguanFormationinthe PuguangGasFieldweredevelopedaccordingtotheanalysisof favorablefaciesbelts,seismicattributesandseismicconstrained inversion.Basedonthese,sevenwellsweredeployed.Among them,thefinishedWellPuguang4yieldsahighgasproduction andconfirmstheaboveprediction.
引文
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[5]凡睿,高林,何莉,等.川东北飞仙关组鲕滩储层地震预测[J].勘探地球物理进展,2003,26(3):199203.(FANRui,GAOLin,HE Li,etal.PredictionofooliticbeachreservoirofFeixianguanFormationinnortheastXuanhan,NortheasternSichuan[J].ProgressinExplorationGeophysics,2003,26(3):199203.)
[6]马劲风,王学章,贾春环,等.波阻抗约束反演中的约束方法研究[J].石油物探,2000,39(2):5263.(MAJin feng,WANGXue zhang,JIAChun huan,etal.Researchesoftherestrictionmethod inwaveimpedancerestrictioninversion[J].Geophysical ProspectingforPetroleum,2000,39(2):5263.)
[7]刘文岭,牛彦良,李刚,等.多信息储层预测地震属性提取与有效性分析方法[J].石油物探,2002,41(1):100106.(LIUWen ling,NIUYan liang,LIGang,etal.Seismicattributeextractionand effectivenessanalysisofmulti attributereservoirprediction[J].GeophysicalProspectingforPetroleum,2002,41(1):100106.)
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