大庆石油地质与开发

2014, v.33;No.164(04) 70-73

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低丰度油藏水平井储层精细描述方法
FINE CHARACTERIZING METHOD OF THE RESERVOIRS FOR THE HORIZONTAL WELL IN LOW-ABUNDANCE OIL RESERVOIRS

姜龙
JIANG Long

摘要(Abstract):

葡萄花油层砂体窄、薄,对这类油藏水平井储层描述没有成形技术。利用地震、岩心、测井、录井等资料,在水平井轨迹、岩心系统校正归位基础上,应用水平井-直井小层对比方法对水平井小层进行划分,应用岩心实验建立了水平井储层分类标准,以及水平井-直井联合判相方法,形成了直井控相、水平井控砂相带描述技术。该方法能精细刻画水平井储层发育状况,加深低丰度薄油层非均质性认识,在水平井随钻控制、完井方式优化及开发调整方面得到了较好应用。
Putaohua oil reservoirs are characterized by narrow and thin sand bodies,there is no mature technique to describe this type of reservoirs penetrated by the horizontal wells.With the help of the data such as seismic,core,well logging,mud logging,etc.,and on the bases of the correction homing of the horizontal well trajectory and core system,the sublayers of horizontal wells are divided by the sublayer contrast method between the horizontal and vertical wells,the reservoir classification standards of the horizontal wells are established by means of the core tests and furthermore integrating with the joint facies identifying method between the horizontal and vertical wells,the characterizing techniques of the facies controlled by the vertical wells and the phase belts dominated by the horizontal wells are developed.The method can finely characterize the development conditions of the horizontal wells' reservoirs,deepen the heterogeneous understandings of the low-abundance thin oil reservoirs,and furthermore is better applied in the aspects of the horizontal well control while drilling,optimization of the completion modes and development adjustment.

关键词(KeyWords): 葡萄花油层;水平井;储层分类;低丰度;储层描述
Putaohua oil reservoir;horizontal well;reservoir classification/division;low abundance;reservoir characterization/description

Abstract:

Keywords:

基金项目(Foundation): 中国石油和化学工业联合会重点科技攻关项目“肇州油田低渗透油藏水平井整体开发技术研究”(2011JBR0458)部分研究内容

作者(Author): 姜龙
JIANG Long

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