逆冲走滑断层分区分级解析与三维全景表征

doi:10.11885/j.issn.1674-5086.2023.09.14.02

西南石油大学学报(自然科学版) ›› 2025, Vol. 47 ›› Issue (3): 10-24.DOI: 10.11885/j.issn.1674-5086.2023.09.14.02

逆冲走滑断层分区分级解析与三维全景表征

欧成华^1,2, 王泽宇¹, 柳金城³, 李兆亮³, 梅华³

1. 西南石油大学石油与天然气工程学院, 四川成都 610500;
2. 油气藏地质及开发工程全国重点实验室·西南石油大学, 四川成都 610500;
3. 中国石油青海油田公司勘探开发研究院, 甘肃敦煌 736202

收稿日期:2023-09-14 发布日期:2025-07-11
通讯作者: 欧成华，E-mail： cho-mm@163.com
作者简介:欧成华，1971年生，男，汉族，四川成都人，教授，博士研究生导师，主要从事地质油藏一体化及人工智能等方面的科研和教学工作。E-mail：cho-mm@163.com
王泽宇，1998年生，男，汉族，甘肃兰州人，硕士研究生，主要从事油气藏精细描述方面的研究工作。E-mail：3528189968@qq.com
柳金城，1971年生，男，汉族，山东高密人，教授级高级工程师，主要从事油藏开发地质方面的研究。E-mail：liujcqh@petrochina.com.cn
李兆亮，1982年生，男，汉族，甘肃白银人，高级工程师，主要从事地质建模与数值模拟等方面的研究。E-mail：lzlyjyqh@petrochina.com.cn
梅华，1989年生，女，汉族，湖北黄梅人，工程师，主要从事油藏地质方面的研究工作。E-mail：meihua44qh@petrochina.com.cn
基金资助:
四川省科技计划（2021YFQ0049）；国家“十三五”重大专项（2017ZX05035003）

Zoning-grading Analysis and 3D Panoramic Characterization of Thrust Strike-slip Faults

OU Chenghua^1,2, WANG Zeyu¹, LIU Jincheng³, LI Zhaoliang³, MEI Hua³

1. Petroleum Engineering School, Southwest Petroleum University, Chengdu, Sichuan 610500, China;
2. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500, China;
3. Research Institute of Exploration and Development, Qinghai Oilfield Company, CNPC, Dunhuang, Gansu 736202, China

Received:2023-09-14 Published:2025-07-11

摘要/Abstract

摘要： 逆冲走滑断层体系广泛分布在含油气盆地富油二级构造带中，定量表征对油气勘探开发意义重大，受水平挤压应力与压扭剪切应力叠加耦合作用，逆冲走滑断层体系内同时发生逆冲推覆位移与走滑位移，造成体系内地层破碎、断层体系复杂、测井与地震响应杂乱，断层识别、组合、表征与建模困难。围绕逆冲走滑断层成生机制特点及断层体系复杂性解析与表征，研发出分区分级解析与三维全景表征技术，成功应用于柴达木盆地英东油田油砂山断层下盘逆冲走滑断层体系的定量解析与三维全景表征。依靠分区对比，建立关键标志层交叉引层与分区标定技术，有效解决了逆冲走滑断层体系破碎地层层位标定多解性强的难题，实施了对研究区油砂山断层下盘6个关键标志层的有效标定与全区满覆盖追踪。应用多尺度多类型逆冲走滑断层褶皱阶梯状网格建模与全景可视化表征技术，实现了对研究区油砂山断层下盘逆冲走滑断层剖面—平面—三维立体空间多视域全景可视化表征。

关键词: 逆冲走滑断层, 断层识别与组合, 分区分级解析, 三维全景表征, 油砂山断层

Abstract: The thrust strike-slip fault is widely distributed in the oil-rich structural zone, and quantitative characterization is of great significance to oil and gas exploration and development of oil-bearing basin, superposed coupling of horizontal extrusion stress and compression shear stress, the thrust displacement and slip displacement occur simultaneously in the thrust strike-slip fault system, which cause formation fragmentation, complex fault system, and disorderly logging and seismic response, and increases the difficulty of fault identification, combination, characterization and modeling. Aimed at the formation mechanism and the complexity of the thrust strike-slip fault system, a zoning-grading analysis and 3D panoramic characterization technology is developed to implement the quantitative analysis and 3D panoramic characterization of the study area—the lower plate of the Youshashan fault system of Yingdong Oilfield in Qaidam Basin. Relying on the zoning formation correlation, the key marked formation cross leading and zoning formation calibration technology is established, and solves the problem of difficult calibration and strong multiple solutions of the fragmentation formation, and the effective calibration of the six key marked formation and the full coverage tracking of the whole study area is implemented. The panoramic characterization, multi-scale and multi-type thrust strike-slip fault-fold step grid modeling and panoramic visualization characterization technology are used to the panoramic visual characterization of the thrust strike-slip fault profile-plane-3D multivision space of the study area.

Key words: thrust strike-slip fault, fault identification and combination, zoning-grading analysis, 3D panoramic characterization, Youshashan fault system

中图分类号:

TE122

欧成华, 王泽宇, 柳金城, 李兆亮, 梅华. 逆冲走滑断层分区分级解析与三维全景表征[J]. 西南石油大学学报(自然科学版), 2025, 47(3): 10-24.

OU Chenghua, WANG Zeyu, LIU Jincheng, LI Zhaoliang, MEI Hua. Zoning-grading Analysis and 3D Panoramic Characterization of Thrust Strike-slip Faults[J]. Journal of Southwest Petroleum University(Science & Technology Edition), 2025, 47(3): 10-24.

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逆冲走滑断层分区分级解析与三维全景表征

Zoning-grading Analysis and 3D Panoramic Characterization of Thrust Strike-slip Faults

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