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    柴北缘油气运移优势通道特征及其控油气作用

    李宏义 姜振学 庞雄奇 罗群

    李宏义, 姜振学, 庞雄奇, 罗群, 2006. 柴北缘油气运移优势通道特征及其控油气作用. 地球科学, 31(2): 214-220.
    引用本文: 李宏义, 姜振学, 庞雄奇, 罗群, 2006. 柴北缘油气运移优势通道特征及其控油气作用. 地球科学, 31(2): 214-220.
    LI Hong-yi, JIANG Zhen-xue, PANG Xiong-qi, LUO Qun, 2006. Dominant Migration Pathway and Its Control on Oil-Gas Migration in the Northern Edge of Qaidam Basin. Earth Science, 31(2): 214-220.
    Citation: LI Hong-yi, JIANG Zhen-xue, PANG Xiong-qi, LUO Qun, 2006. Dominant Migration Pathway and Its Control on Oil-Gas Migration in the Northern Edge of Qaidam Basin. Earth Science, 31(2): 214-220.

    柴北缘油气运移优势通道特征及其控油气作用

    基金项目: 

    国家“十五”天然气(二期)攻关项目 2004BA616A-04

    国家自然科学基金项目 40472078

    详细信息
      作者简介:

      李宏义(1979 -), 男, 在读博士生, 主要从事石油地质方面研究.E-mail: lhybasin@163.com

    • 中图分类号: P618.13

    Dominant Migration Pathway and Its Control on Oil-Gas Migration in the Northern Edge of Qaidam Basin

    • 摘要: 油气运移优势通道研究对于追踪油气运移方向和预测有利勘探目标具有重要意义, 在对柴北缘地区输导层砂体展布、主要成藏期古流体势、断层倾角和区域盖层分割槽等地质条件综合研究的基础上, 分别阐述了级差优势、流向优势、流压优势和分割槽优势等4种类型优势通道的分布特征以及对油气运移的单因素控制作用, 然后进行多因素叠加, 综合分析在4种优势通道共同作用下柴北缘地区的油气优势运移方向, 进而优选勘探目标.结果表明: 冷湖-南八仙构造带具有阿尔金斜坡、赛什腾、鱼卡-南八仙3个大规模沉积体系的级差优势通道, 同时流压优势通道、分隔优势通道和流向优势通道分布范围广, 并且处于昆特依凹陷和伊北凹陷油气的运移指向区, 使得该构造带成为最有利的油气聚集带, 其次是鄂博梁Ⅰ号-葫芦山构造带; 冷湖七号东、西高点深层构造和葫芦山构造为最有利的勘探目标, 有望取得新的突破.

       

    • 图  1  柴达木盆地柴北缘地区构造纲要

      Fig.  1.  Structural outline in the northern edge of Qaidam basin

      图  2  柴北缘E1+2层油气级差优势运移方向

      Fig.  2.  Oil-gas migration direction controlled by porosity-permeability difference of middle-lower Lulehe Formation in the northern edge of Qaidam basin

      图  3  南八仙油气田流向优势通道控制油气运移方向

      Fig.  3.  Oil-gas migration direction controlled by flow direction in Nanbaxian field

      图  4  柴北缘路乐河组E3末期油势等值线分布

      Fig.  4.  Fluid potential at stage of late E3 of Lulehe Formation in the northern edge of Qaidam basin

      图  5  柴北缘有利勘探目标预测

      Fig.  5.  Favorable exploration targets in the northern edge of Qaidam basin

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    出版历程
    • 收稿日期:  2005-07-08
    • 刊出日期:  2006-03-25

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