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二维小波变换在成像测井识别裂缝中的应用研究

Keywords: 二维小波变换,成像测井,裂缝型储层,电导率

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Abstract:

?本文首先对电成像测井资料进行水平方向和垂直方向的电导率曲线的小波变换,然后在小波变换后的高频段寻找与裂缝对应的分解信号,再将水平方向和垂直方向的分解信号进行绝对值叠加,再转换成二值信号(即裂缝为1,非裂缝为0)成图,从而增强成像测井中的裂缝信息,为成像测井的人机交互解释中的裂缝识别提供依据。实际应用结果表明,该方法可以准确、直观地显示出裂缝,效果很好。

References

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[2]  李清松,潘和平,张荣.电阻率成像测井进展.工程地球物理学报,2005,2(4):304~310
[3]  liqingsong,panheping,z,hangrong.theprogressofresistivityimaginglog.chinesejournalofengineeringgeophysics,2005,2(4):304~310
[4]  罗利.低孔砂岩孔隙度计算方法及裂缝识别技术.测井技术,1999,23(1):33~37
[5]  luoli.porositycalculationanafractureldentitica-tionforlowporositysandstone.wlt,1999,23(1):33~37
[6]  肖丽,范晓敏.利用成像测井资料标定常规测井资料裂隙发育参数的方法研究.吉林大学学报(地球科学版),003,33(3)559~563
[7]  xiaoli,panaiaomin.studyonthemethodofevaluatingfracturetntensityfromconventionallogscalibratedimaginglogs.journalofjisinuniversity(earthscienceedition),2003,33(3):559~563
[8]  孙加华等.声电成像测井技术在储层裂缝识别中的应用[j].大庆石油地质与开发.2006,25(3):100-102
[9]  sunjiahuaetal.applicationofacoustoelectricimage-formingloggingtechniqueinreservoirfractureidentification.pgodd,2006,25(3)100~102
[10]  高霞,谢庆宾.储层裂缝识别与评价方法新进展[j].地球物理学进展.2007,22(5):1460-1465
[11]  gaoxia,xieqingbin.advancesinidentificationandevaluationoffracture.progressingeophysics,2007,22(5)1460~1465
[12]  邓模,瞿国英,蔡忠贤.常规测井方法识别碳酸盐岩储层裂缝.地质学刊,2009,33(1):75~78
[13]  dengmo,quguoying,caizhongxian.fracturei-dentiiicationforcarbonatereservoirbyconventionalwelllogging.journalofgeology,2009,33(1):75~78
[14]  behzadtokhmechietal.fracturedetectionfromwatersaturationlogdatausingafourier-waveletapproach.journalofpetroleumscienceandengineering,2009,(69):129~138
[15]  zhangxiaofeng,panbaozhi,zhangchengen.astudyofwavelettransformintheidentiiicationoffractureofformationmicro-conductivityimagelogging.//the2ndinternationalconferenceoninformationscienceandengineering,2010,4888~4891
[16]  苟量,彭真明.小波多尺度边缘检测及其在裂缝预测中的应用[j].石油地球物理勘探.2005,40(3):309-??浏览
[17]  gouliang,pengzhen-ming.multi-scaleedgedetectionofwaveletandapplicationinfractureprediction[j].ogp.2005,40(3):309-313??浏览
[18]  葛哲学,陈仲生.matlab时频分析技术及其应用.北京:人民邮电出版社,2006

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