吉林大学学报(地球科学版)

• 地质与资源 •    下一篇

金湖凹陷隐性断裂带形成机制及分布

王伟锋1,周维维1,周杰2,李少龙3   

  1. 1.中国石油大学(华东)地球科学与技术学院,山东 青岛266555;
    2.辽宁省第三地质大队,辽宁 朝阳122000;
    3.中国石油长城钻探工程公司,辽宁 盘锦124000
  • 收稿日期:2014-01-12 出版日期:2014-09-26 发布日期:2014-09-26
  • 作者简介:王伟锋(1958-),男,教授,博士生导师,主要从事含油气盆地地质构造、油气储层地质、油藏描述、油气地质工程等领域的研究和教学工作,E-mail:wwf_1958@163.com
  • 基金资助:

    国家自然科学基金项目(41340008)

Formation Mechanism and Distribution of Buried Fault Zones in the Jinhu Sag

Wang Weifeng1, Zhou Weiwei1, Zhou Jie2, Li Shaolong3   

  1. 1.School of Geosciences, China University of Petroleum, Qingdao266555, Shandong, China;
    2.The Third Geological Brigade of Liaoning Province,Chaoyang122000,Liaoning,China;
    3.Great Wall Drilling Company,PetroChina, Panjin124000, Liaoning, China
  • Received:2014-01-12 Online:2014-09-26 Published:2014-09-26

摘要:

金湖凹陷基底存在北东、北西向两组断裂。北西向基底断裂活动较弱,对盖层变形影响较小,在盖层中多以隐性断裂带显现;北东向基底断裂活动强烈,对凹陷盖层变形影响较大,不仅形成了凹陷东部边界杨村断裂在内的多条显性断裂,而且形成了多条隐性断裂带。凹陷中部的北东向石港显性断裂带将凹陷分割成西部斜坡带和东部凹陷带。东部凹陷带受基底北西向断裂隐性活动的影响呈现南北分段特征。凹陷盖层中还发育了大量近东西走向的三、四级正断层,它们大致平行成带分布,形成了宝应平行雁列式断裂构造带、唐港雁列式断裂构造带、卞闵杨平行雁列式断裂构造带、西斜坡平行入字型断裂构造带、汊涧泥沛平行雁列式断裂构造带等一系列油气富集区带。上述构造带中的油气藏分布明显受到北东和北西向基底断裂活动影响,呈现北东、北西或近南北向成带、成串分布特征。应用区域地质、重磁等资料开展隐性断裂带预测,识别出10条北东向、5条北西向、6条南北向隐性断裂带。沉积盖层中形成的这些隐性断裂带控制了储集砂体分布、改善了储层物性、使隐性圈闭成带成串分布,是油气聚集成藏的有利区带。

关键词: 金湖凹陷, 隐性断裂带, 杨村断裂带, 形成机制, 调节带, 隐蔽油气藏

Abstract:

There are many NE-trending faults and NW-trending faults in the Jinhu sag. NW-trending basement faults are weak with a little influence on the sedimentary cover, while there are NW-trending buried fault zones in the cover. NE-trending basement faults are strong with important influence on the sedimentary cover. The Yangcun fault zone and a lot of NE-trending buried fault zones formed in the sedimentary cover. The Shigang major fault zone divids the Jinhu sag into the western slope belt and the eastern sag belt. The eastern sag belt was influenced by “buried” activity of the NW-trending basement faults presenting as segments from tht north to the south.There are a great quantity of nearly parallel  third or fourth-order normal faults in the cover in the Jinhu sag. This fault belts include Bao-Ying parallel-echelon fault belt,Tang-Gang echelon fault belt, Bian-Min-Yang parallel-echelon fault belt, western slope parallel fault belt, Chajian-Nipei parallel-echelon fault belt, contributing to several enriched zone of oil and gas, and this hydrocarbon reservoirs are influenced by NE-trending basement faults and NWtrending basement faults, presenting as NE-,NW-, NS-trending stripe or string. On the basis of regional geological data, gravity and magnetic data, 10 NE-trending buried fault zones, 5 NW-trending buried fault zones, 6 NS-trending buried fault zones are identified. The buried fault zones control the distribution of the sandbody, and improve the reservoir physical property. They make the buried reservoir as zonal distribution, which are favorable zones for hydrocarbon accumulation.

Key words: Jinhu sag, buried fault zone, Yangcun fault zone, formation mechanism, accommodation zones, buried reservoir

中图分类号: 

  • P618.13
[1] 官大勇, 张宏国, 牛成民, 王启明, 李晓辉.

渤海湾盆地辽中凹陷地区东营组湖底扇关键成藏认识与勘探实践 [J]. 吉林大学学报(地球科学版), 2025, 55(2): 351-362.

[2] 张新荣, 焦洁钰. 黑土形成与演化研究现状[J]. 吉林大学学报(地球科学版), 2020, 50(2): 553-568.
[3] 张冠杰, 方石, 张新荣, 高先超, 沈伟. 水进砂研究进展[J]. 吉林大学学报(地球科学版), 2018, 48(3): 626-639.
[4] 徐黎明, 王清, 陈剑平, 栾海, 周福军. 二密滑坡形成机制[J]. J4, 2012, 42(4): 1104-1111.
[5] 赵会民, 刘雪松, 孟卫工, 陈振岩, 韩宏伟. 曙光-雷家地区隐蔽油气藏及其成藏动力学特征[J]. J4, 2011, 41(1): 21-28.
[6] 蒋恕,王华. 泌阳凹陷基于层序地层格架的油气成藏模式[J]. J4, 2007, 37(4): 744-0751.
Viewed
Full text


Abstract

Cited

  Shared   
  Discussed   
[1] 刘建峰,迟效国,周燕,王铁夫,金巍,周建波,董春艳,黎广荣. 小兴安岭东北部金林岩体全岩-角闪石Rb-Sr年龄[J]. J4, 2005, 35(06): 690 -0693 .
[2] 黄冠星, 孙继朝, 张英, 刘景涛, 张玉玺, 荆继红. 珠江三角洲污灌区地下水重金属含量及其相互关系[J]. J4, 2011, 41(1): 228 -234 .
[3] 肖长来,梁秀娟,崔建铭,兰盈盈,张君,李书兰,梁瑞奇,郑策. 确定含水层参数的全程曲线拟合法[J]. J4, 2005, 35(06): 751 -0755 .
[4] 郭振华,王璞珺,印长海,黄玉龙. 松辽盆地北部火山岩岩相与测井相关系研究[J]. J4, 2006, 36(02): 207 -0214 .
[5] 孙永河,付晓飞,吕延防,付广,阎冬. 地震泵抽吸作用与油气运聚成藏物理模拟[J]. J4, 2007, 37(1): 98 -0104 .
[6] 谢忠雷,陈卓,孙文田,尹波. 不同茶园茶叶氟含量及土壤氟的形态分布[J]. J4, 2008, 38(2): 293 -0298 .
[7] 贾军涛,王璞珺,邵 锐,程日辉,张 斌,侯景涛,李金龙,边伟华. 松辽盆地东南缘营城组地层序列的划分与区域对比[J]. J4, 2007, 37(6): 1110 -1123 .
[8] 康立明,任战利. 多参数定量研究流动单元的方法--以鄂尔多斯盆地W93井区为例[J]. J4, 2008, 38(5): 749 -0756 .
[9] 薛永超, 程林松. 白豹油田长8油藏成岩储集相[J]. J4, 2011, 41(2): 365 -371 .
[10] 姜纪沂, 张宇东, 谷洪彪, 左兰丽. 基于灰色关联熵的地下水环境演化模式判别模型研究[J]. J4, 2009, 39(6): 1111 -1116 .