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辽西凹陷辽西1号断裂体系特征及其控藏作用

陈磊 牛成民 吴奎 张海义 宿雯

陈磊, 牛成民, 吴奎, 等, 2019. 辽西凹陷辽西1号断裂体系特征及其控藏作用. 地质力学学报, 25 (6): 1082-1090. DOI: 10.12090/j.issn.1006-6616.2019.25.06.091
引用本文: 陈磊, 牛成民, 吴奎, 等, 2019. 辽西凹陷辽西1号断裂体系特征及其控藏作用. 地质力学学报, 25 (6): 1082-1090. DOI: 10.12090/j.issn.1006-6616.2019.25.06.091
CHEN Lei, NIU Chengmin, WU Kui, et al., 2019. THE CHARACTERICTICS OF LIAOXI NO.1 FAULT SYSTEM AND ITS CONTROL ON RESERVOIR IN LIAOXI SAG. Journal of Geomechanics, 25 (6): 1082-1090. DOI: 10.12090/j.issn.1006-6616.2019.25.06.091
Citation: CHEN Lei, NIU Chengmin, WU Kui, et al., 2019. THE CHARACTERICTICS OF LIAOXI NO.1 FAULT SYSTEM AND ITS CONTROL ON RESERVOIR IN LIAOXI SAG. Journal of Geomechanics, 25 (6): 1082-1090. DOI: 10.12090/j.issn.1006-6616.2019.25.06.091

辽西凹陷辽西1号断裂体系特征及其控藏作用

doi: 10.12090/j.issn.1006-6616.2019.25.06.091
基金项目: 

"十三五"国家科技重大专项 2016ZX05024-003

详细信息
    作者简介:

    陈磊(1982-), 男, 硕士, 高级工程师, 主要从事勘探地质综合研究。E-mail:chenlei2@cnooc.com.cn

  • 中图分类号: P618.13

THE CHARACTERICTICS OF LIAOXI NO.1 FAULT SYSTEM AND ITS CONTROL ON RESERVOIR IN LIAOXI SAG

  • 摘要: 辽西凹陷是位于渤海海域东北部的一个新生代凹陷,勘探证实辽西南洼陡坡带发育受辽西1号断裂体系控制的断块圈闭,且各个断块油气富集程度具有差异性。通过对辽西凹陷南部辽西1号断裂及其派生断裂静态特征和动态演化分析,文章重点解析了不同类型断裂对油气成藏的控制作用。研究结果表明:辽西1号断裂体系包括辽西1号断裂及其派生调节断裂,两者分别具有"早断晚衰"和"中断晚衰"活动特征;东营期,辽西1号断裂"S"增弯段诱发陡坡带隆起效应及其调节断裂的发育,两者共同控制了挤压型构造圈闭的发育;调节断裂对油气运聚具有分段控制作用,调节断裂陡坡段具有压扭性质,断裂结构带相对致密,利于油气的封堵,调节断裂洼槽段具有拉张性质,断裂结构带相对疏松,利于油气运移;调节断裂压扭段与主走滑位移带夹角控制油气富集程度,夹角大小与油气富集程度呈负相关性。

     

  • 图  1  辽西南洼区域位置图及岩性柱状图

    Figure  1.  The regional location of the southern sub-sag of Liaoxi and lithological column

    图  2  凹陷结构及断裂特征(测线位置见图 1)

    Figure  2.  The characteristics of sag structure and fault (survey line shown in Fig. 1)

    图  3  断裂、圈闭分布特征

    Figure  3.  The distribution characteristics of faults and traps

    图  4  断裂、圈闭及油藏特征

    Figure  4.  The distribution characteristics of faults, traps and reservoirs

    图  5  右旋走滑物理模拟(走滑量2 cm)

    Figure  5.  The physical simulation of dextral strike-slip (strike-slip displacement is 2 cm)

    图  6  断裂带测井响应特征

    Figure  6.  The logging response characteristics of the fault belt

    图  7  调节断裂压扭段、主走滑断裂夹角与烃柱高度关系图

    Figure  7.  The correlation of the hydrocarbon column height and the angle between the compressive segmentation of regulative fault and the main strike-slip displacement zone in Liaodong Bay depression

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出版历程
  • 收稿日期:  2018-09-28
  • 修回日期:  2018-12-18
  • 刊出日期:  2019-12-31

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