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1、第42卷第1期煤田地质与勘探Vol.42No.12014年2月COALGEOLOGY&EXPLORATIONFeb.2014文章编号:1001-1986(2014)01-0076-03东濮凹陷薄砂岩储层有效识别技术123张宝君，卢齐军，梁国胜(1.中国石化中原油田分公司勘探管理部，河南濮阳457001；2.中国石化西南油气分公司勘探开发研究院,四川成都610041；3.中国石化中原油田分公司勘探开发科学研究院，河南濮阳457001)摘要:东濮凹陷砂岩储层埋藏深、厚度薄、横向变化快，常规地震资料已不能满足储层精细描述的要求。针对该区薄砂岩储层特
2、征，利用谱反演和分频解释技术将时间域的地震信号变换到频率域，获得较原始地震数据更加丰富的数据信息，在此基础上进行模拟退火波阻抗反演和广义多属性拟合综合预测。预测结果表明：谱反演和分频解释技术有效提高了薄储层的分辨率；模拟退火反演精确预测出薄砂岩储层的厚度；而广义多属性拟合技术精确刻画出薄砂岩储层的平面展布范围。多种方法综合最终有效预测出薄砂岩储层的空间分布规律，经钻井证实可靠。关键词：东濮凹陷；谱反演；分频解释；模拟退火反演；广义多属性拟合中图分类号：P631文献标识码：ADOI:10.3969/j.issn.1001-1986.2014.0
3、1.018TheeffectiveidentificationtechniqueofthinsandstonereservoirinDongpudepression123ZHANGBaojun,LUQijun,LIANGGuosheng(1.DepartmentofExplorationManagement,ZhongyuanOilfieldBranchCompany,SINOPEC,Puyang457001,China；2.ExplorationandDevelopmentResearchInstitute,SouthwestOil&Gas
4、Branch,SINOPEC,Chengdou610041,China;3.ExplorationandDevelopmentResearchInstitute,ZhongyuanOilfieldBranchCompany,SINOPEC,Puyang457001,China)Abstract:ThesandstonereservoirinDongpudepressionisdeepandthin,changesfastlaterally,conventionalseismicdatacan'tfinelydescribethereservo
5、ircharacteristics.Seismicreservoirpredictiontechnologiessuchasspectruminversion,frequencydivisioninterpretation,simulatedannealinginversionandmulti-attributesmustbeusedtostudythethinreservoircharacteristics.Thefirstprocessistousespectruminversionandfrequencydivisioninterpre
6、tationtechnology,transformtimedomainseismicdataintofrequencydomain,thesecondstepistousesimulatedannealinginversiontoconfirmthethicknessofthinsand,thentousemulti-attributessuchaswaveimpedance,frequencyandarclengthandsoontopredictthesanddistributionranges.Theywereusedsyntheti
7、callytoreducethemulti-solutionofpredictionresults.Theresultsofferedustheaccuratespatialdistributionofthinsandreservoirfilledwithoilandgas.Thepredictionresultswereverifiedbydrillingandcouldguidethefurtherexplo-ration.Keywords:Dongpudepression;spectruminversion;frequencydivis
8、ioninterpretation;simulatedannealinginver-sion;generalizedmultipleattributefitting
