超深层走滑断裂典型分段及其内部缝网系统发育的差异性研究——以塔里木盆地富满地区FⅠ17断裂带为例
作者:
基金项目:

本文为国家自然科学基金企业创新发展联合基金重点项目(编号:U21B2062)的成果


A study on the variability in the distribution of fracture networks in typical segments of ultra- deep strike- slip faults——A case study of the FⅠ17 fault in the Fuman area, Tarim Basin
Author:
单位:
  • 1) 中国石油大学(北京)油气资源与工程全国重点实验室,北京,102249;2) 中国石油大学(北京)地球科学学院,北京,102249    
  • 3) 中国石油塔里木油田分公司勘探开发研究院,新疆库尔勒,841000    
  • 1) 中国石油大学(北京)油气资源与工程全国重点实验室,北京,102249;2) 中国石油大学(北京)地球科学学院,北京,102249    
  • 3) 中国石油塔里木油田分公司勘探开发研究院,新疆库尔勒,841000    
  • 1) 中国石油大学(北京)油气资源与工程全国重点实验室,北京,102249;2) 中国石油大学(北京)地球科学学院,北京,102249    
  • 3) 中国石油塔里木油田分公司勘探开发研究院,新疆库尔勒,841000    
  • 3) 中国石油塔里木油田分公司勘探开发研究院,新疆库尔勒,841000    
  • 1) 中国石油大学(北京)油气资源与工程全国重点实验室,北京,102249;2) 中国石油大学(北京)地球科学学院,北京,102249    
  • 1) 中国石油大学(北京)油气资源与工程全国重点实验室,北京,102249;2) 中国石油大学(北京)地球科学学院,北京,102249    
  • 1) 中国石油大学(北京)油气资源与工程全国重点实验室,北京,102249;2) 中国石油大学(北京)地球科学学院,北京,102249    
  • 1) National Key Laboratory of Petroleum Resources and Engineering, China University of Petroleum (Beijing), Beijing, 102249;2) College of Geoscience, China University of Petroleum (Beijing), Beijing, 102249    
  • 3) Research Institute of Petroleum Exploration and Development, PetroChina Tarim Oilfield Company, Korla, Xinjiang, 841000    
  • 1) National Key Laboratory of Petroleum Resources and Engineering, China University of Petroleum (Beijing), Beijing, 102249;2) College of Geoscience, China University of Petroleum (Beijing), Beijing, 102249    
  • 3) Research Institute of Petroleum Exploration and Development, PetroChina Tarim Oilfield Company, Korla, Xinjiang, 841000    
  • 1) National Key Laboratory of Petroleum Resources and Engineering, China University of Petroleum (Beijing), Beijing, 102249;2) College of Geoscience, China University of Petroleum (Beijing), Beijing, 102249    
  • 3) Research Institute of Petroleum Exploration and Development, PetroChina Tarim Oilfield Company, Korla, Xinjiang, 841000    
  • 3) Research Institute of Petroleum Exploration and Development, PetroChina Tarim Oilfield Company, Korla, Xinjiang, 841000    
  • 1) National Key Laboratory of Petroleum Resources and Engineering, China University of Petroleum (Beijing), Beijing, 102249;2) College of Geoscience, China University of Petroleum (Beijing), Beijing, 102249    
  • 1) National Key Laboratory of Petroleum Resources and Engineering, China University of Petroleum (Beijing), Beijing, 102249;2) College of Geoscience, China University of Petroleum (Beijing), Beijing, 102249    
  • 1) National Key Laboratory of Petroleum Resources and Engineering, China University of Petroleum (Beijing), Beijing, 102249;2) College of Geoscience, China University of Petroleum (Beijing), Beijing, 102249    
  • 摘要
  • | |
  • 访问统计
  • |
  • 参考文献
  • |
  • 相似文献
  • |
  • 引证文献
  • | |
  • 文章评论
    摘要:

    走滑断裂控制的缝网系统是塔里木盆地超深层碳酸盐岩的有效储集空间和主要渗流通道,不同典型分段的缝网系统分布特征存在较大差异。笔者等基于卷积神经网络的方法对富满地区FⅠ17断裂带进行识别并划分典型分段,通过FDI的方法定量刻画典型分段缝网系统发育带宽度,根据单井产能分析反映典型分段及其内部缝网系统分布特征。富满地区FⅠ17断裂带可划分为叠接拉分段、叠接挤压段、平移段和转折侧接段等4种类型,总共14个分段,其中转折侧接段又可进一步划分为侧接挤压段和侧接拉分段。不同典型分段缝网系统发育带平均宽度存在明显差异,在发育规模相近的情况下,缝网系统发育程度存在转折侧接段>叠接挤压段>叠接拉分段>平移段的规律,其中叠接拉分段缝网系统有效性强于叠接挤压段。叠接段和转折侧接段的两侧,以及平移段中的主干断裂、主干断裂与次级断裂交汇部位均为缝网系统优势发育部位。叠(侧)接挤压段的中部具有一定的缝网系统发育程度,但叠(侧)接拉分段的中部发育程度较弱。结合典型分段缝网系统发育带宽度与单井产能分析结果,最终建立了超深层走滑断裂典型分段缝网系统非均质发育模式。

    Abstract:

    The fracture networks controlled by strike- slip faults serves as the effective storage space and primary flow pathway for ultra- deep carbonate rocks in the Tarim Basin. Significant differences exist in the distribution characteristics of fracture networks in different typical segments.Methods:Convolutional neural network- based methods were employed to identify and divide the FⅠ17 fault in the Fuman area into typical segments. The width of the fracture network development zone for each segment is quantitatively characterized through the FDI analysis. The distribution characteristics of fracture networks within the typical segments and their internal features are reflected through production capacity analysis of individual wells.Results: The FⅠ17 fault in the Fuman area can be classified into four types of segments: pull- apart stepover zone, push- up stepover zone, translation zone, and inflection- and- stepover zone, totaling 14 segments. Among these, the inflection- and- stepover zone can be further subdivided into push- up and pull- apart zone. A notable variation exists in the average width of the fracture network development zones across the different typical segments. Under similar scales, the degree of fracture network development follows a distinct pattern: inflection- and- stepover zone > push- up stepover zone > pull- apart stepover zone > translation zone. Notably, the effectiveness of the fracture networks in the pull- apart stepover zone is stronger than that in the push- up stepover zone. The areas on both sides of the stepover zones and inflection- and- stepover zones, as well as the primary faults and the intersections between primary and secondary faults within the translation zones, are the dominant locations for the development of the fracture network. The central regions of the push- up stepover zones (or the push- up region in the inflection- and- stepover zones) exhibit a certain degree of fracture network development, whereas the central regions of the pull- apart stepover zones (or the pull- apart region in the inflection- and- stepover zones) show a comparatively weaker level of development.Conclusions: By combining the analysis of the fracture network development zone widths for each segment with the production capacity analysis of individual wells, a heterogeneous development model for the fracture networks in typical segments of ultra- deep strike- slip faults was ultimately established.

    参考文献
    相似文献
    引证文献
引用本文

谭笑林,张银涛,吕文雅,谢舟,曾联波,袁敬一,熊昶,宋逸辰,李浩,张克宁.2025.超深层走滑断裂典型分段及其内部缝网系统发育的差异性研究——以塔里木盆地富满地区FⅠ17断裂带为例[J].地质论评,71(1):2025020011,[DOI].
TAN Xiaolin, ZHANG Yintao, LV Wenya, XIE Zhou, ZENG Lianbo, YUAN Jingyi, XIONG Chang, SONG Yichen, LI Hao, ZHANG Kening.2025. A study on the variability in the distribution of fracture networks in typical segments of ultra- deep strike- slip faults——A case study of the FⅠ17 fault in the Fuman area, Tarim Basin[J]. Geological Review,71(1):2025020011.

复制
分享
文章指标
  • 点击次数:
  • 下载次数:
  • HTML阅读次数:
  • 引用次数:
历史
  • 收稿日期:2024-11-06
  • 最后修改日期:2025-01-14
  • 在线发布日期: 2025-02-20