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[1]牛成民 薛永安 黄江波 郭 涛 王孝辕 李正宇.渤海海域隐性走滑断层形成机理、识别方法与控藏作用[J].中国海上油气,2019,31(06):1-12.[doi:10.11935/j.issn.1673-1506.2019.06.002]
 NIU Chengmin XUE Yongan HUANG Jiangbo GUO Tao WANG Xiaoyuan LI Zhengyu.Formation mechanisms, identification methods and control effects of recessive strike-slip faults in the Bohai sea[J].China Offshore Oil and Gas,2019,31(06):1-12.[doi:10.11935/j.issn.1673-1506.2019.06.002]
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渤海海域隐性走滑断层形成机理、识别方法与控藏作用()

《中国海上油气》[ISSN:1673-1506/CN:11-5339/TE]

卷:
第31卷
期数:
2019年06期
页码:
1-12
栏目:
渤海海域油气勘探开发成果专辑
出版日期:
2019-11-21

文章信息/Info

Title:
Formation mechanisms, identification methods and control effects of recessive strike-slip faults in the Bohai sea
文章编号:
1673-1506(2019)06-0013
作者:
牛成民 薛永安 黄江波 郭 涛 王孝辕 李正宇
(中海石油(中国)有限公司天津分公司 天津 300459)
Author(s):
NIU Chengmin XUE Yongan HUANG Jiangbo GUO Tao WANG Xiaoyuan LI Zhengyu
(CNOOC China Limited, Tianjin Branch, Tianjin 300459, China)
关键词:
渤海海域 隐性走滑断层 郯庐断裂带 形成机理 类型划分 识别方法 控藏作用
Keywords:
Bohai sea recessive strike-slip fault Tanlu fault zone formation mechanism type division identification method control effect
分类号:
TE121.2
DOI:
10.11935/j.issn.1673-1506.2019.06.002
文献标志码:
A
摘要:
隐性走滑断层的发现和认识是渤海郯庐断裂带勘探实践重要的理论成果之一。利用新连片处理三维地震资料,系统研究了渤海海域隐性走滑断层形成机制、发育特征、识别方法及控藏作用。渤海海域隐性走滑断层发育于大规模剪切应力背景,伸展断层末端牵引以及郯庐断裂带多期次走滑运动叠加是隐性走滑断层发育的主要成因。根据断层发育位置及控制的构造单元,可将渤海海域隐性走滑断层划分为盆缘调节型、盆内转换型和潜山直立型,其中盆缘调节型可进一步细分为侧翼型、末端型和桥连型。依据隐性走滑断层发育背景及形成机制,最大似然属性技术、剖面寻差技术、断层增强技术以及“三性”识别法的应用可以大大提升渤海海域隐性走滑断层的识别与解释效率。控藏研究与勘探实践表明,渤海海域隐性走滑断层控制了该地区隐性圈闭、油气运移、断层封堵等油气成藏的各个要素,大大扩展了勘探空间,指导了近2亿吨优质探明储量的发现,而且丰富并完善了渤海湾盆地断裂控藏的理论和实践。
Abstract:
The discovery and understanding of the recessive strike-slip faults are one of the important theoretical achievements in the exploration practices of the Bohai Tanlu fault zone. By utilizing the newly processed contiguous 3D seismic data, the formation mechanisms, development characteristics, identification methods and control functions of recessive strike-slip faults in the Bohai sea area have been studied systematically. The recessive strike-slip faults in the Bohai sea area were developed under the background of large-scale shear stress. The end traction of extensional fault and the superimposition of multi-stage strike-slip movements in the Tanlu fault zone are the main causes resulting in the development of recessive strike-slip faults. According to the fault development positions and the controlled tectonic units, the recessive strike-slip faults in the Bohai sea can be divided into the basin-margin regulating type, the basin-inversion type and the buried hill upright type. The basin-margin regulating type can be further subdivided into the wing type, end type and bridge type. According to the development background and formation mechanisms of recessive strike-slip faults, the applications of maximum likelihood attribute, profile matching, fault enhancement technologies and the “three-attribute” recognition method have greatly enhanced the identification and interpretation efficiency of the recessive strike-slip faults in the Bohai sea. The research on reservoir controls and the exploration results suggest that the recessive strike-slip faults in the Bohai sea dominate various hydrocarbons accumulation elements of recessive traps, oil and gas migration, fault sealing in this region, and greatly expand the exploration space. Our outputs have guided the discovery of nearly 200 million tons of high-quality proven reserves, and enriched and improved the theory and practices of fault-controlled reservoirs in the Bohai Bay basin.

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备注/Memo

备注/Memo:
*“十三五”国家科技重大专项“渤海海域勘探新领域及关键技术研究(编号:2016ZX05024-003)”部分研究成果。 第一作者简介: 牛成民,男,高级工程师,长期从事油气勘探研究工作。地址:天津市滨海新区海川路2121号 渤海石油管理局大厦(邮编:300459)。E-mail:niuchm@ cnooc.com.cn。
更新日期/Last Update: 1900-01-01