OALib Journal期刊
ISSN: 2333-9721
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南海北部深水区白云凹陷钻前地层压力地震预测方法
Keywords: 南海北部深水区,地层压力预测,地震绝对速度,有色反演,压缩因子
Abstract:
?针对南海北部深水区钻井数量少、钻遇层位浅和高质量地层速度难以获取三大突出问题,从地层压力计算模型改进和地层速度提取两个关键环节入手,首先改进趋势地层压力计算模型,提出压缩因子概念,提高地层压力计算精度;然后利用速度谱资料获取低频速度,并通过有色反演提取地震相对速度,将低频速度与相对速度合成为高质量的地震绝对速度,最终形成一套适用于南海北部深水区白云凹陷的高精度地层压力钻前地震预测方法。应用新计算模型和地震绝对速度对白云凹陷进行地层压力钻前地震预测,经实测资料验证,新方法预测精度较高,预测结果表明白云凹陷珠海组和珠江组以静水压力为主,古近系发育超压,超压体系可为深层油气向上运移提供强劲动力。
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[11] | 郝芳等.超压盆地生烃作用动力学与油气成藏机理.北京:科学出版社,2005
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[12] | 徐兆辉,刘震,李永新等.地层压カ早期预测方法在泰国湾盆地的应用.大庆石油地质与开发,2011,30(1):47~53
|
[13] | xuzhaohui,liuzhen,liyongxinetal.applicationofformationpressureearly-predictionmethodinthailandgulfbasin.petroleumgeologyandoilfielddevelopmentindaqing,2011,30(1):47~53
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|
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|
[17] | liuzhen,zhangwanxuanetal.ananalysisofabnormalformationpressureofpaleogene.actapetroleisinica,1993,14(1):14~23
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[19] | yunmeihou.formationpressurepredictionusingseismicdata[j].ogp.1996,31(4):575-586??浏览
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[20] | liuzhen,zhanggongchengetal.featureofmultisediment-sourcefillingduringthelateoligoceneatbaiyundepressioninthedeep-waterregion,thenorthernsouthchinasea.geoscience,2010,24(5):900~909
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[21] | 朱伟林,张功成等.南海北部大陆边缘盆地油气地质特征与勘探方向[j].石油学报.2008,29(1):1-9
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[22] | zhuweinn,zhanggongchengetal.geologicalcharacteristicsandexplorationobjectivesofhydrocarbonsinthenortherncontinentalmarginbasinofsouthchinasea.actapetrolcisinica,2008,29(1):1~9
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[23] | 徐强,王英民等.南海白云凹陷深水区渐新世一中新世断阶陆架坡折带沉积过程响应.沉积学报,2010,28(5):906~915
|
[24] | xuqiang,wangyingminetalsedimentaryresponseofretreatingshelfbreakfromoligocenetomiocene,indeepwaterareaofbaiyundepression,southchinasea.actasedimentologicasinica,2010,28(5):906~915
|
[25] | 陈国俊,吕成福等.珠江口盆地深水区白云凹陷储层空隙特征及影响因素.石油学报,2010,31(4):566~572
|
[26] | chenguojun,lvchengiuetal.characteristicsofporeevolutionanditscontrollingfactorsofbaiyunsagindeepwaterareaofpearlrivermouthbasin.actapetrolcisinica,2010,31(4):566~572
|
[27] | 连世勇,何敏,庞雄等.珠江口盆地深水区白云凹陷始新世洼陷结构研究[j].石油学报.2007,28(3):13-16
|
[28] | lianshiyong,hemin,pangxiongetal.researchoneocenestructureofbaiyunsagindeep-waterareaofpearlrivermouthbasin.actapetroleisinica,2007,28(3):13~16
|
[29] | gardnerghf,gardnercwandgregoryar.formationvelocityanddensity:thediagnosticbasicsforstratigraphictraps[j].geophysics.1974,39(2):770-
|
[30] | lancasters,whitcombed.fast-track,colored,inversion.segtechnicalprogramexpandedabstracts,2000,19:1572~1575
|
[31] | blanche-frasergandneepjp.increasingseismicresolutionusingspectralbluingandcoloredinversion:cannonballlield,trinidad.segtechnicalprogramexpandedabstraccs,2004,23:1794~1797
|
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