地球物理学进展 ›› 2019, Vol. 34 ›› Issue (6): 2262-2275.doi: 10.6038/pg2019CC0491

• 应用地球物理学Ⅰ(油气及金属矿产地球物理勘探) • 上一篇    下一篇

弧形断裂构造带的表征、成因机制及其控油作用研究进展

何建华1, 2, 3, 丁文龙3, *, 肖子亢3, 李昂4, 代鹏5, 王兴华3   

  1. 1. 成都理工大学能源学院,成都 610059;
    2. 油气藏地质及开发工程国家重点实验室,成都理工大学,成都 610059;
    3. 中国地质大学能源学院,北京 100083;
    4. 中国石化石油勘探开发研究院无锡石油地质研究所,无锡 214126;
    5. 中国地质科学院地球物理地球化学勘查研究所,廊坊 065000
  • 收稿日期:2019-03-05 修回日期:2019-07-29 出版日期:2019-12-20 发布日期:2019-12-29
  • 通讯作者: 丁文龙,男,1965年生,教授,博士生导师,主要从事石油构造分析与控油作用、非常规油气构造和裂缝及其与含气量关系等方面的教学与科研工作.(E-mail: dingwenlong2006@126.com)
  • 作者简介:何建华,男,1990年生,讲师,主要从事石油构造分析、非常规油气构造和裂缝及其与含气量关系研究.(E-mail:hejianhuadizhi@163.com)
  • 基金资助:
    国家自然科学基金面上项目(41372139,41072098); 国家科技重大专项专题(2011ZX05018-001-002,2011ZX05009-002-205,2011ZX05033-004,2016ZX05033-002-005-001); 中央高校基础研究基金(2652017309)联合资助.

Research progress of characterization and genetic mechanism of fold-thrust belt salients and its control on oil accumulation

HE Jian-hua1, 2, 3, DING Wen-long3, *, XIAO Zi-kang3, LI Ang4, DAI Peng5, WANG Xing-hua3   

  1. 1. College of Energy Resources, Chengdu University of Technology, Chengdu 610059, China;
    2. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology, Chengdu 610059, China;
    3. School of Energy Resources, China University of Geosciences, Beijing 100083, China;
    4. Wuxi Research Institute of Petroleum Geology, Sinopec Petroleum and Production Research Institute, Wuxi 214126, China;
    5. Institute of Geophysical and Geochemical Exploration, Chinese Academy of Geological Sciences, Langfang 065000, China
  • Received:2019-03-05 Revised:2019-07-29 Online:2019-12-20 Published:2019-12-29

摘要: 弧形弯曲的构造形迹是现今陆-陆汇聚造山体系中最普遍的构造特征之一,它是解释陆内造山运动和构造动力学的关键钥匙,也是大型油气藏和众多金属矿床富集的高效场所.因此,对其研究具有非常重要的意义.本文在对国内外大量弧形构造带研究成果全面系统的调研和深入分析总结的基础之上,认为依据弧形构造带平面几何形态学和内在运动学特征对弧形构造带的系统分类具有更重要的应用价值.深部地球物理、古地磁测量、多重年代学、应力-应变分析、沉积记录及构造解析等是精细刻画弧形断裂带的几何学与运动学特征、限定弧形变形时间和方式及揭示其形成动力学背景的关键技术,但各自有其优缺点和适用性,应着眼于多学科方法的交叉融合.强调基于多种现代化监测手段的砂箱物理模拟和离散元数值砂箱结合应用在弧形构造带成因机制解译和再现盆山耦合关系研究中的重要作用.弧形构造带形成演化过程中往往受多因素控制,包括基底性质的、滑脱层规模、楔入体形状、孔隙流体超压以及物质迁移等,这极大地丰富了弧形造山体系形成的动力学成因模式.弧形构造带中同生褶皱-逆冲构造复合叠加带是最有利的油气聚集带,而目前对叠加构造带中,形成的转换构造调节带控制优质储层的分布及与有利控油模式的关系尚缺乏足够的研究.

关键词: 弧形构造带, 表征方法, 物理与数值砂箱, 成因机制, 控油作用

Abstract: Curved linear structure is one of the most common tectonic features in continental-continental convergent orogenic system. It is the key to explain intracontinental orogeny and tectonic dynamics. It is also an efficient accumulation trap for large-scale oil and gas reservoirs and many metal deposits. Therefore, it is very important to study fold-thrust belt salients. On the basis of the literature research of the salients structure around world, this paper suggests that it is more important application value that fold-thrust belt salients are defined by its plane geometric morphology and intrinsic kinematic characteristics. Deep geophysics, paleomagnetic survey, multi-chronology tests, strain analysis, sedimentary records and tectonic analysis are the key techniques to delineate the geometric and kinematic characteristics of curved faults and limit the time and mode of arc deformation, and also reveal the dynamic background of curved faults, but each has its own advantages, disadvantages and applicability. So it should pay more attention on the multidisciplinary approach combination. It is emphasized that the combination of physical sandbox simulation and discrete element numerical sandbox based on a variety of modern monitoring methods plays an important role in the interpretation of the genetic mechanism of fold-thrust belt salients and the reconstruction of basin-mountain coupling relationship. The formation and evolution of salients are often controlled by many factors, including basement features, detachment range, the shape of wedge, the overpressure of pore fluid and the migration of materials. It greatly enriches the dynamic genetic model of salients. Syngenetic fold-thrust structural superimposed zone is the most favorable oil and gas accumulation zone in fold-thrust belt salients. However, it is still insufficient research that transition structural zone in the salients control the distribution of high-quality reservoir and its relationship with favorable oil-controlling modes.

Key words: Fold-thrust belt salients, Characterization method, Numerical and physical sandbox, Genetic mechanism, Oil-control effect

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