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断陷盆地陡坡带新近系目标圈闭优势运移路径与汇聚能力分析: 以渤海海域庙西北凸起东侧陡坡带为例

张捷 于海波 彭靖淞 肖锦泉 岳军培

张捷, 于海波, 彭靖淞, 肖锦泉, 岳军培. 断陷盆地陡坡带新近系目标圈闭优势运移路径与汇聚能力分析: 以渤海海域庙西北凸起东侧陡坡带为例[J]. 地质科技通报, 2024, 43(2): 52-61. doi: 10.19509/j.cnki.dzkq.tb20220435
引用本文: 张捷, 于海波, 彭靖淞, 肖锦泉, 岳军培. 断陷盆地陡坡带新近系目标圈闭优势运移路径与汇聚能力分析: 以渤海海域庙西北凸起东侧陡坡带为例[J]. 地质科技通报, 2024, 43(2): 52-61. doi: 10.19509/j.cnki.dzkq.tb20220435
ZHANG Jie, YU Haibo, PENG Jinsong, XIAO Jinquan, YUE Junpei. Analysis on migration path and convergence ability of Neogene target traps in steep belt of rifted basin: A case study of the eastern steep slope of the Miaoxibei Uplift in Bohai Sea[J]. Bulletin of Geological Science and Technology, 2024, 43(2): 52-61. doi: 10.19509/j.cnki.dzkq.tb20220435
Citation: ZHANG Jie, YU Haibo, PENG Jinsong, XIAO Jinquan, YUE Junpei. Analysis on migration path and convergence ability of Neogene target traps in steep belt of rifted basin: A case study of the eastern steep slope of the Miaoxibei Uplift in Bohai Sea[J]. Bulletin of Geological Science and Technology, 2024, 43(2): 52-61. doi: 10.19509/j.cnki.dzkq.tb20220435

断陷盆地陡坡带新近系目标圈闭优势运移路径与汇聚能力分析: 以渤海海域庙西北凸起东侧陡坡带为例

doi: 10.19509/j.cnki.dzkq.tb20220435
详细信息
    作者简介:

    张捷, E-mail: zhangjie2006913@outlook.com

    通讯作者:

    于海波, E-mail: yuhb3@cnooc.com.cn

  • 中图分类号: P618.130.2

Analysis on migration path and convergence ability of Neogene target traps in steep belt of rifted basin: A case study of the eastern steep slope of the Miaoxibei Uplift in Bohai Sea

More Information
  • 摘要:

    断陷盆地新近系的成藏规模与深层油气汇聚及立体输导体系息息相关,断陷盆地新近系源外目标圈闭油气充注的差异性是新近系目标研究中需要重点关注的问题。以渤海海域庙西北凸起东侧陡坡带为例,分析了陡坡带油气汇聚体系组成要素,通过断层输导能力评价划分了优势充注段,进而在断层充注段控制下开展了油气运移模拟。研究表明:(1)陡坡带汇聚体系由深层聚烃砂体、边界大断层、浅层晚期断层3个部分组成。(2)汇聚体系中3个部分的各自优势汇烃要素相互作用组成主要运移路径,最终体现在与目标圈闭搭接的断层充注段上;庙西北凸起东侧主干运移断层中段为强充注区,北段为中等充注区;次级运移断层中4,6,8号断层发育强充注段,1,2,11号断层发育中等充注段。(3)构造层运移模拟发现庙西北凸起东侧陡坡带中段发育油气聚集区,东侧发育2条主要运移路线,同时南侧发育1条主要运移路线;3号典型砂体发育4个汇聚区,其中汇聚区C为汇聚能力最强区域。研究成果可为目标区井位部署提供参考,技术方法可为油气汇聚成藏分析提供技术支持。

     

  • 图 1  庙西北凸起东侧陡坡带结构纲要图

    图b为明化镇组下段内部地震反射层T02层面

    Figure 1.  Structural outline of the eastern steep slope side of the Miaoxibei Uplift

    图 2  庙西北凸起东侧陡坡带深层砂体发育示意图

    Figure 2.  Schematic diagram of the deep sand bodies in the eastern steep slope of the Miaoxibei Uplift

    图 3  庙西北凸起东侧陡坡带深层砂体发育特征

    Figure 3.  Development characteristics of the deep sand bodies in the eastern steep slope of the Miaoxibei Uplift

    图 4  主干运移断层垂向输导能力参数定量评价图

    Figure 4.  Quantitative evaluation diagram of the vertical transport capacity parameters of the main migration faults

    图 5  庙西北凸起主干运移断层垂向输导能力评价图

    Figure 5.  Vertical transport capacity evaluation map of the main migration faults in the Miaoxibei Uplift

    图 6  庙西北凸起东侧陡坡带次级断层搭接关系图

    Figure 6.  Secondary fault lap relationship of the eastern steep slope of the Miaoxibei Uplift

    图 7  次级断层充注能力评价及充注段划分图

    Figure 7.  Evaluation of the charging capacity and charging section of secondary faults

    图 8  庙西北凸起东侧陡坡带浅层构造层油气运移模拟分析

    Figure 8.  Simulation analysis of oil and gas migration in the shallow structural layer in the eastern steep slope of the Miaoxibei Uplift

    图 9  庙西北凸起东侧陡坡带明化镇组下部3号砂体油气运移模拟分析

    Figure 9.  Oil and gas migration simulation analysis of the No.3 sand body in the lower section of the Minghuazhen Formation in the eastern steep slope of the Miaoxibei Uplift

    表  1  次级断层充注能力综合评价表

    Table  1.   Comprehensive evaluation of the charging capacity for secondary faults

    次级断层编号 1号 2号 4号 6号 8号 9号 10号 11号
    与主干断层搭接关系
    对应主干断层充注能力 强充注 强充注 强充注 强充注 强充注 弱充注 弱充注 中等充注
    T02层断距/m 50.3~63.9 53.0~63.9 74.0~111.52 61.2~199.9 145.5~174.0 53.4~183.1 65.4~117.7 163.5~220.1
    有效延伸长度/km 0.86 1.64 1.35 4.42 2.26 2.33 5.61 3.57
    综合评价 中等充注 中等充注 强充注 强充注 强充注 弱充注 弱充注 中等充注
    下载: 导出CSV
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  • 收稿日期:  2022-08-13
  • 录用日期:  2022-09-14
  • 修回日期:  2022-08-29

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