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首页> 外文会议>SPE Asia Pacific Oil and Gas Conference and Exhibition >Reservoir Architecture Analysis of Delta Front and Its Control on Remaining Oil Distribution of S Oilfield in Bohai Bay Basin
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Reservoir Architecture Analysis of Delta Front and Its Control on Remaining Oil Distribution of S Oilfield in Bohai Bay Basin

机译：渤海湾盆地S油田剩余油田剩余油田的储层建筑学分析及对照

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摘要

After more than 20 years’development,S oilfield has entered high water cut stage. The layer contradiction is prominent and the water flooding condition is complex,which result in the complex decentralized state of the remaining oil. In order to determine the remaining oil distribution to guide the comprehensive adjustment of the oilfield,the reservoir architecture analysis of delta front was conducted. Based on the core,seismic data,dense well logging data and production performance data,the reservoir architecture of delta front in Dongying group is characterized with hierarchy process,model guidance and numerical simulation methods. In the paper,the distribution style of interlayers in single mouth bar is discussed. The distribution feature of the remaining oil under the control of interlayers is analyzed. It shows that multiple main channels form continuous mouth bar complex and single mouth bar develops several accretions. Interlayers in single mouth bar express in two forms: the foreset type along the source direction and the arch type perpendicular to the source direction with a low angle from 0.4° to 1.0°. Along the source direction,remaining oil gathers inside accretions whose injection-production does not correspond under the control of interlayers. And the remaining oil is enriched at the front of accretion. In the vertical source direction,the remaining oil accumulates in the high part of accretions. Under the guidance of remaining oil distribution characteristics controlled by reservoir architecture,one horizontal well was deployed. The average output is more than 100m3/d and the water cut is under 30%,which indicates the effect of this reservoir architecture analysis work. The successful implementation of the horizontal well demonstrates the vital function of the reservoir architecture research for this kind of mature oilfield. This will also be one promising research direct for the overall adjustment and remaining oil tapping.
机译：经过20多年的发展，S油田已进入高污水阶段。层矛盾突出，水淹水条件是复杂的，这导致剩余油的复杂分散状态。为了确定剩余的石油分配来指导油田的综合调整，开展了三角洲前沿的储层架构分析。基于核心，地震数据，密集井测井数据和生产性能数据，东营集团三角洲前沿的储层建筑具有层次工艺，模型指导和数值模拟方法。在本文中，讨论了单嘴杆中的中间层的分布样式。分析了剩余油在中间层控制下的分布特征。它表明，多个主通道形成连续嘴杆络合物，单口杆发育几种吸收。单个嘴巴条中的中间层以两种形式表示：沿源方向和垂直于源方向的前齿型，低角度从0.4°到1.0°垂直于源方向。沿着源方向，剩余的油在吸收内部收集，其注射生产在中间层的控制下不相对应。剩余的油在炎症的前面富集。在垂直源方向上，剩余的油积聚在凸起的高部分。在由储层架构控制的剩余油分布特性的指导下，部署了一个水平井。平均产出大于100m 3 / d，水切口低于30％，这表明该水库架构分析工作的效果。水平井的成功实施展示了这种成熟油田的水库建筑研究的重要功能。这也将是一个有希望的研究，直接用于整体调整和剩余的油攻击。

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