OALib Journal期刊
ISSN: 2333-9721
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vsp资料在储层预测中的应用
Keywords: 零井源距vsp,非零井源距vsp,横波速度,泊松比,储层预测
Abstract:
?砂、泥岩地层中储层因含气往往导致纵波速度降低,从而与围岩速度重叠或接近,此时应用常规声阻抗反演方法难以识别储层。测井资料分析发现泊松比能较好地分辨储层和围岩,因此提取并综合利用泊松比参数是识别储层的-个有效方法。本文提出利用零井源距vsp资料拾取的高精度初至获得精细的纵、横波速度,通过转换得到泊松比参数,同时基于非零井源距vsp纵、横波剖面进行纵、横波联合反演,得到纵、横波阻抗和泊松比剖面,通过对泊松比剖面分析可识别有效储层。应用该方法在slg气田进行储层预测,结果与实钻情况吻合,取得了良好效果。
References
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[4] | 张学芳,董月昌,慎国强等.曲线重构技术在测井约束反演中的应用.石油勘探与开发,2005,32(3);70-72.zhangxucfang,dongyucchang,shcnuuoqiangctal.applicationoflogrebuildingtechniqueincon-straininversion.petroleumexplorationanddevel-opment,2005,32(3):70-72.
|
[5] | 甘利灯,姚逢昌,郑晓东等.非常规储集层地震横向预测的-种方法.石油勘探与开发,2000,27(2);65-68.uanlidcng,yaofcngchang,zhcngxiaodongctal.amethodforlateralpredictionofunconventionalres-ervoirsusingseismicdata.petroleumexplorationanddevelopment,2000,27(2):65-68.
|
[6] | 赵万金,李海亮,史松群等.叠前反演及.avo技术在slu气m的应用.新疆石油地质,2009,30(3);387-389.zhaowanjin,lihailiang,shisongqunctal.applica-tionofprestackinversionandavotosuligegasfield.xinjiangpetroleumgeology,2009,30(3):387-389.
|
[7] | 付深,陈志宏,任科英等.联合应用两种弹性参数组合进行含油性识别—渊西南凹陷渊三段油层识别实践.中国海上油气,2009,21(6);372-375.fuchcn,chcnzhihong,rcnkeyingctal.acom-bipedapplicationoftwoelasticityparameterstoiden-tifyoilbearingintervalsacasestudyofmemberoillayerinwcizhouformation,wcixi'pandepression.chinaoffshoreoilandgas,2009,21(6):372-375.
|
[8] | 王保丽,印兴耀,张繁昌.弹性阻抗反演及应用研究.地球物理学进展,2005,20(3);89-92.wangbaoli,yinxingyao,zhangfanchang.elasticimpedanceinversionanditsapplication.progressin2005.20(3)89-92.
|
[9] | 马建德,张玉珍,土桂华等.非零井源距移距vsp资料在油气检测中的应用.海洋石油,2003,23(增):51~54.majiandc,ghangyuzhcn,wanguuihuactal.theapplicationofnon-zerooffsetvspdatainoilandgasdetection.offshoreoil,2003(sup):5l-54.
|
[10] | 张继国,牟风明.vsp横波速度反演实用性研究[j].石油地球物理勘探.2006,41(6):697-701??浏览
|
[11] | 徐仲达,郝晓红,徐翔之等.用vsp数据中下行p-sv转换波求取横波速度.石油物探,2002,41(3);274-278.
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