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基于叠前地震全方位各向异性预测裂缝发育——以普光气田须家河组为例

熊金红 陈岑 曹占元 谭先锋 况昊

熊金红, 陈岑, 曹占元, 等, 2017. 基于叠前地震全方位各向异性预测裂缝发育——以普光气田须家河组为例. 地质力学学报, 23 (2): 280-287.
引用本文: 熊金红, 陈岑, 曹占元, 等, 2017. 基于叠前地震全方位各向异性预测裂缝发育——以普光气田须家河组为例. 地质力学学报, 23 (2): 280-287.
XIONG Jin-hong, CHEN Cen, CAO Zhan-yuan, et al., 2017. FRACTURE DEVELOPMENT PREDICTION BASED ON AZIMUTHAL ANISOTROPY ANALYSIS OF PRE-STACK SEISMIC-TAKE XUJIAHE FORMATION OF PUGUANG GAS FIELD FOR EXAMPLE. Journal of Geomechanics, 23 (2): 280-287.
Citation: XIONG Jin-hong, CHEN Cen, CAO Zhan-yuan, et al., 2017. FRACTURE DEVELOPMENT PREDICTION BASED ON AZIMUTHAL ANISOTROPY ANALYSIS OF PRE-STACK SEISMIC-TAKE XUJIAHE FORMATION OF PUGUANG GAS FIELD FOR EXAMPLE. Journal of Geomechanics, 23 (2): 280-287.

基于叠前地震全方位各向异性预测裂缝发育——以普光气田须家河组为例

基金项目: 

国家自然科学基金项目 41072106

中国科学院西部行动计划项目 KZCX2-XB3-12

详细信息
    作者简介:

    熊金红(1986-), 男, 在读博士研究生, 研究方向为盆地分析。E-mail:278031772@qq.com

  • 中图分类号: P631.4

FRACTURE DEVELOPMENT PREDICTION BASED ON AZIMUTHAL ANISOTROPY ANALYSIS OF PRE-STACK SEISMIC-TAKE XUJIAHE FORMATION OF PUGUANG GAS FIELD FOR EXAMPLE

  • 摘要: 本文首先建立正演模型,根据普光北部陆相须家河组地层特有岩性特征,针对不同角度裂缝进行模拟,得到沿裂缝方向振幅随着偏移距的增大而减小的规律;然后对叠前地震资料进行面元规则化、速度分析和叠前时间偏移叠加等处理,使之符合裂缝预测的要求;最后通过振幅随方位角的变化、频率属性随方位角的变化分析,反演得到须家河组储层裂缝走向和密度的数据体。以裂缝预测结果为指导,部署普陆1-2H井,并取得了良好的预期效果。

     

  • 图  1  普陆1井镜下微构造

    a—粒缘缝,灰色中粒长石岩屑砂岩,3120.5 m,须六段,岩石薄片;b—粒内缝,灰色细砂岩,3100.16 m,须六段,铸体薄片;c—粒内缝,浅灰色中砂岩,3280.95 m,须四段,铸体薄片;d—粒间裂缝,灰色细砂岩,3183.01 m,须五段,铸体薄片;e—粒间裂缝,粉砂岩,3194.18 m,须五段,铸体薄片

    Figure  1.  The micro-structure of well Pulu1 under the microscope

    图  2  裂缝特征

    a-普陆1井须家河组裂缝产状发育图;b-普陆1井须家河组裂缝充填情况

    Figure  2.  Fracture characteristics

    图  3  普陆1井裂缝充填物

    Figure  3.  Fracture filling of well Pulu1

    图  4  须家河组裂缝模型正演模型

    Figure  4.  Forward fractured model of XuJiahe formation

    图  5  迭代计算建立速度体剖面

    Figure  5.  Using iterative computations to establish velocity volume section

    图  6  须四段1砂组裂缝平面发育及走向图

    Figure  6.  The fracture plane development and strike of 1 group of the forth XuJiahe formation.

    图  7  普陆1-2H井裂缝性储层发育剖面图

    Figure  7.  Fractured Reservoir development of well Pulu 1-2H

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  • 收稿日期:  2017-02-14
  • 刊出日期:  2017-04-28

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