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时间:2020-03-26
《鄂尔多斯盆地东南部油页岩资源评价.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第33卷第9期地质通报Vo1.33.No.92014年9月GEoLoGICALBULLETINOFCHINASep.,2014鄂尔多斯盆地东南部油页岩资源评价李玉宏,姜亭,武富礼,张慧元,姚志刚2,王宝文LIYii—hong,JIANGTing,WUFu—li,ZHANGHui—yuan,YAOZhi—gang,WANGBao—wen1冲国地质调查局西安地质调查中心,陕西西安710054;2.西安石油大学,陕西西安7100651.Xi"anCenterofChinaGeologicalSurvey,Xi"an710054,Shaanxi,China;2.Xi'anPetrol
2、eumUniversity,Xi'an710065,Shaanxi,China摘要:鄂尔多斯盆地蕴藏着丰富的油页岩资源,积累了大量测井系列齐全的石油钻探资料,但针对油页岩的调查评价工作程度低,可利用的含油率数据十分有限,难以准确评价油页岩资源量。利用陕西铜川地区油页岩探井的测井与含油率分析资料,结合△1o方法,建立了该区油页岩含油率测井解释模型,可较准确地识别油页岩层段和解释计算含油率。在此基础上,利用大量的油气井测井资料解释含油率、识别和统计油页岩厚度,对13×10km工作区内三叠系延长组长7油页岩资源量进行了评价,估算油页岩分布面积为1.08xlOkm2,预测远景资源量为
3、3866x10t,干馏油页岩油远景资源量为179x10t,具有形成大型一特大型油页岩矿产地的资源潜力,为该区油页岩勘查利用提供了重要依据。关键词:鄂尔多斯盆地;油页岩;含油率;测井评价;资源量中图分类号:P618.12文献标志码:A文章编号:1671—2552(2014)09—1417—08LiYH,JiangT,WuFL,ZhangHY,YaoZG,WangBW.Evaluationmethodsandresultsofoilshaleresourcesinsouth-easternOrdosBasin.GeologicalBulletinofChina,2014,33(9
4、):1417—1424Abstract:OrdosBasinisrichinoilshaleresourcesandhasaseriesofoildrillingdata.However,theinvestigationandevaluationofoilshaleresourcesarestillinadequateduetolimitedusefuloilcontentdata,whichmakesitdificulttopredictoilshaleresourcesprop—erly.AccordingtosuchdrillingdatainTongchuanarea
5、asloggingandoilcontentincombinationwithAlogRmethodology.theoi1contentloginterpretationmodelhasbeenestablished,whichcanidentifyoilshalelayerandinterpretandcalculateoilcontentmuchmoreprecisely.Moreover.onthebasisofoilcontentandoilshalethicknessgivenbyplentyofoildrillingdata,thequantityofonsha
6、leresourcesofChang7ofTriassicYanchangFormationinthestudyareaof1.3x10kn~isevaluated,andtheoilshaledistributionareaisestimatedtobe1.08x10km.Besides.thequantityofoilshaleprospectiveresourcesisestimatedtobe3866x10twhilethatofthecounterpartofcarbonizationoilshaleis179x10。t,whichindicatesthegreat
7、potentialtoformsuperlargeoilshaleresources.Theresultsachievedbytheauthorsprovidesignificantevidencefortheexplorationofoilshaleinthisarea.Keywords:Ordosbasin;oilshale;oilcontent;well—loggingevaluation;resourcesquantity油页岩属于非常规油气资源,资源丰富,是重尔多斯盆地积累了大量的石油钻探资料
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