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四维地震驱动的深海浊积岩油藏地质模型更新方法及应用:以安哥拉PU油田为例

赵巍 张文彪 李蒙 赵华伟 陆文明 廉培庆

赵巍, 张文彪, 李蒙, 赵华伟, 陆文明, 廉培庆. 四维地震驱动的深海浊积岩油藏地质模型更新方法及应用:以安哥拉PU油田为例[J]. 地质科技通报, 2022, 41(4): 301-308. doi: 10.19509/j.cnki.dzkq.2022.0115
引用本文: 赵巍, 张文彪, 李蒙, 赵华伟, 陆文明, 廉培庆. 四维地震驱动的深海浊积岩油藏地质模型更新方法及应用:以安哥拉PU油田为例[J]. 地质科技通报, 2022, 41(4): 301-308. doi: 10.19509/j.cnki.dzkq.2022.0115
Zhao Wei, Zhang Wenbiao, Li Meng, Zhao Huawei, Lu Wenming, Lian Peiqing. Updating and application for a reservoir geological model of deep-water turbidites: A case study of a 4D seismic survey from the PU Oilfield in Angola[J]. Bulletin of Geological Science and Technology, 2022, 41(4): 301-308. doi: 10.19509/j.cnki.dzkq.2022.0115
Citation: Zhao Wei, Zhang Wenbiao, Li Meng, Zhao Huawei, Lu Wenming, Lian Peiqing. Updating and application for a reservoir geological model of deep-water turbidites: A case study of a 4D seismic survey from the PU Oilfield in Angola[J]. Bulletin of Geological Science and Technology, 2022, 41(4): 301-308. doi: 10.19509/j.cnki.dzkq.2022.0115

四维地震驱动的深海浊积岩油藏地质模型更新方法及应用:以安哥拉PU油田为例

doi: 10.19509/j.cnki.dzkq.2022.0115
基金项目: 

中国科学院战略先导A项目 XDA14010204

详细信息
    作者简介:

    赵巍(1979-), 女, 工程师, 主要从事油气田开发研究工作。E-mail: zhaowei.syky@sinopec.com

    通讯作者:

    张文彪(1984-), 男, 高级工程师, 主要从事油气田开发地质及三维地质建模研究工作。E-mail: wenbiao211@163.com

  • 中图分类号: P618.13

Updating and application for a reservoir geological model of deep-water turbidites: A case study of a 4D seismic survey from the PU Oilfield in Angola

  • 摘要:

    传统的油藏模型更新过程中, 油藏模型的最终优选主要以单井历史拟合结果为准, 井间剩余油分布预测是否合理往往无据可循, 存在较大不确定性。四维地震是现代油藏监测的重要手段之一, 对于指导井间剩余油分布预测具有较强优势。为进一步提升油藏地质模型更新的准确度, 提出在常规地质模型更新过程中融入四维地震监测信息的研究思路, 以四维地震反映的流体变化信息作为井间"硬数据", 形成一套四维地震-地质建模-油藏数模闭环式油藏模型迭代更新方法。研究结果表明: 四维地震信息可作为动态信息贯穿到从地质建模-油藏数模的大循环中, 建模数模一体化技术更加完善; 四维地震可作为井间模型参数调整的重要参考依据, 实现剩余油监测的定量化, 提升油藏模型预测的准确度。该方法对于深海浊积岩油藏应用效果较好, 对于建模数模一体化技术的发展具有实践意义。

     

  • 图 1  四维地震驱动油藏模型更新方法及流程

    Figure 1.  Updating method and process of the 4D seismic monitoring reservoir model

    图 2  PU油藏不同流体驱替范围厘定

    a.地震差异波形反映不同的流体驱替类型;b.基于差异波形的不同流体驱替范围厘定

    Figure 2.  Determination of the fluid displacement range within the PU reservoir

    图 3  四维地震监测流体前缘与油藏模型预测结果存在差异

    a.PU油藏流体变化四维地震监测结果;b.PU油藏数模模拟的饱和度变化与四维地震监测存在差异

    Figure 3.  Difference between the fluid front prediction results from the 4D seismic monitoring and the reservoir modelling

    图 4  PU油藏模型中砂体展布范围修正

    Figure 4.  Correction of the sand body distribution range under the PU Reservoir model

    图 5  四维地震与油藏模型比较结果差异

    a.PU油藏四维地震MON1监测结果;b.PU油藏四维地震MON2监测结果

    Figure 5.  Difference between the 4D seismic model and the reservoir model

    图 6  PU油藏模型局部隔夹层分布位置及数量调整

    Figure 6.  Adjustment of distribution and quantity for local interlayers under the PU reservoir model

    图 7  PU油藏模型局部孔隙度参数调整

    Figure 7.  Adjustment of the local porosity parameters under the PU reservoir model

    图 8  更新后的PU油藏模型预测结果与四维地震监测结果趋于一致

    a.PU油藏四维地震监测结果;b.更新后PU油藏模型预测流体变化结果

    Figure 8.  Convergent tendency between the prediction results from the updated PU reservoir model and the 4D seismic monitoring model

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出版历程
  • 收稿日期:  2021-01-08
  • 网络出版日期:  2022-09-07

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