Special Oil & Gas Reservoirs >

2025 , Vol. 32 >Issue 4: 77 - 86

DOI: https://doi.org/10.3969/j.issn.1006-6535.2025.04.009

Geologic Exploration

Fault evolution and hydrocarbon significance in the Changling Fault-Depression

  • LIU Jiayu ,
  • LI Tao ,
  • YANG Guang ,
  • HU Jia ,
  • ZHANG Jiachang ,
  • CAI Yuxun
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  • 1. School of Geosciences, Yangtze University, Wuhan, Hubei 430100, China;
    2. Research Institute of Geophysical Exploration, PetroChina Jilin Oilfield Company, Songyuan, Jilin 138000, China

Received date: 2024-05-17

  Revised date: 2025-05-13

  Online published: 2025-09-03

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Abstract

To clarify the tectonic features of the major control faults of the Changling Fault-Depression and the influence of their activity on hydrocarbon accumulation, this article analyzed the activity characteristics of the major control faults of each depression using growth index, paleo-displacement, and activity rate through the fine interpretation of the key seismic profiles of the Changling Fault-Depression and the restoration analysis of the balanced profile, and discussed the influence of the fault activity on the evolution of each depression in the Changling Area, the formation of the trap, and the formation of the oil and gas reservoirs. The study shows that the major control faults of the Changling Fault-Depression have experienced multi-phase activity with inheritance, connecting multiple series of strata and providing favorable conduits for hydrocarbon migration and accumulation. At the syn-rift stage, active faulting enabled large-scale oil generation from Shahezi Formation source rocks, with lateral and vertical migration along the major faults. At the rift attenuation stage, most faults became syn-sedimentary due to tensional stress, forming local syn-sedimentary antic, reverse drag structures, and nosing structures. At the post-rift stage, fault activity declined or ceased, with most faults acting as seals. At the inversion stage, faults were compressed into inverted faults, causing hydrocarbon reservoir adjustment andremigration. The Changling Depression has an east-west-trending "three grabens interspersed with two horsts" zonation. Structural evolution differences among depressions affect the accumulation mode of depressions in the Changling Fault-Depression. This study enhances understanding of the tectonic features of the major control faults of the Changling Fault-Depression and offers insights into evaluating the impact of such faults on accumulation modes.

Key words： fault evolution; hydrocarbon accumulation; growth index; paleo-displacement; activity rate; fault activity; Changling Fault-Depression

Cite this article

LIU Jiayu , LI Tao , YANG Guang , HU Jia , ZHANG Jiachang , CAI Yuxun . Fault evolution and hydrocarbon significance in the Changling Fault-Depression[J]. Special Oil & Gas Reservoirs, 2025 , 32(4) : 77 -86 . DOI: 10.3969/j.issn.1006-6535.2025.04.009

References

[1] 庞博.双城地区扶余油层断—储配置对油气分布的控制作用[D].大庆:东北石油大学,2019.
PANG Bo.Controlling effect of fault-reservoir configuration on hydrocarbon distribution in the Fuyu Reservoir of Shuangcheng Area[D].Daqing:Northeast Petroleum University,2019.
[2] 何明勇,栾锡武,魏新元,等.塔宁巴尔海槽断层特征与构造演化[J].地球科学进展,2022,37(3):290-302.
HE Mingyong,LUAN Xiwu,WEI Xinyuan,et al.Fault characteristics and tectonic evolution of the Tanimbar Trough[J].Advances in Earth Science,2022,37(3):290-302.
[3] 陈刚,戴俊生,叶兴树,等.生长指数与断层落差的对比研究[J].西南石油大学学报,2007,48(3):20-23.
CHEN Gang,DAI Junsheng,YE Xingshu,et al.A comparison of the fault growth index with fault throw[J].Southwest Petroleum University,2007,48(3):20-23.
[4] 赵勇,戴俊生.应用落差分析研究生长断层[J].石油勘探与开发,2003,30(3):13-15.
ZHAO Yong,DAI Junsheng.Identification of growth fault by fault fall analysis[J].Petroleum Exploration and Development,2003,30(3):13-15.
[5] 左宗鑫,陆建林,王苗,等.松辽盆地长岭断陷断层特征及其控油气作用[J].石油实验地质,2019,41(2):200-206.
ZUO Zongxin,LU Jianlin,WANG Miao,et al.Fault characteristics and controls on hydrocarbon accumulation in Changling Faulted Depression,Songliao Basin[J].Petroleum Geology & Experiment,2019,41(2):200-206.
[6] 罗群,孙宏智.松辽盆地深大断层对天然气的控制作用[J].天然气工业,2000,20(3):16-21.
LUO Qun,SUN Hongzhi.Discordogenic faults and their controlling action on natural gas in Shongliao Basin[J].Natural Gas Industry,2000,20(3):16-21.
[7] 周荔青,吴聿元,张淮.松辽盆地断陷层系油气成藏的分区特征[J].石油实验地质,2007,45(1):7-12.
ZHOU Liqing,WU Yuyuan,ZHANG Huai.Zoned-distribution of oil and gas accumulation in fault depressions in the Songliao Basin[J].Petroleum Geology & Experiment,2007,45(1):7-12.
[8] 周霞,李海涛.断层系统与油气成藏关系研究——以准噶尔盆地车排子地区沙湾组为例[J].石油物探,2011,50(4):417-424.
ZHOU Xia,LI Haitao.Study on the relationship between fault system and hydrocarbon accumulation:case study of Shawan Formation of Chepaizi Area,Junggar Basin[J].Geophysical Prospecting for Petroleum,2011,50(4):417-424.
[9] 赵晨旭,李忠诚,郭世超,等.松辽盆地南部长岭断陷青一段陆相页岩地球化学和沉积环境特征[J].特种油气藏,2023,30(6):55-61.
ZHAO Chenxu,LI Zhongcheng,GUO Shichao,et al.Characteristics of geochemistry and depositional environment of terrestrial shales in the first member of Qingshankou Formation of Changling Fault Depression in the southern Songliao Basin[J].Special Oil & Gas Reservoirs,2023,30(6):55-61.
[10] 李会光.松辽盆地南部乾北次洼长深10井单井评价[D].大庆:东北石油大学,2012.
LI Huiguang.Evaluation of Well Changshen 10 in the Qianbei Sub-depression,southern Songliao Basin[D].Daqing:Northeast Petroleum University,2012.
[11] 孙立东,周翔,杨亮,等.松辽盆地莺山地区深层天然气地球化学特征与成藏模式[J].石油学报,2023,44(2):285-298.
SUN Lidong,ZHOU Xiang,YANG Liang,et al.Geocheimcal characteristics and accumulation model of deep gas in Yingshan Area,Songliao Basin[J].Acta Petrolei Sinica,2023,44(2):285-298.
[12] 王琦,张万福,孙永河,等.长岭断陷断层活动特征及控藏作用[J].石油地球物理勘探,2022,57(5):1182-1191.
WANG Qi,ZHANG Wanfu,SUN Yonghe,et al.Characteristics of fault activity and its effect on natural gas accumulation in Changling Fault Depression[J].Oil Geophysical Prospecting,2022,57(5):1182-1191.
[13] 王苗,陆建林,左宗鑫,等.火山—碎屑充填盆地的层序地层学研究——以松辽盆地长岭断陷为例[J].石油实验地质,2016,38(6):796-802.
WANG Miao,LU Jianlin,ZUO Zongxin,et al.Sequence stratigraphic research of volcanic and clastic sediment basins:a case study of Changling Fault Depression in Songliao Basin[J].Petroleum Geology & Experiment,2016,38(6):796-802.
[14] 楼仁兴.松辽盆地东南部下白垩统火石岭组—营城组断陷群油气成藏规律[D].长春:吉林大学,2019.
LOU Renxing.Hydrocarbon accumulation in the Lower Cretaceous Hushiling-Yingcheng Formation of the southeast Songliao Basin[D].Changchun:Jilin University,2019.
[15] 刘伟,唐大卿,陈明月,等.松辽盆地南部孤店断陷断层构造特征及演化[J].断块油气田,2022,29(6):816-823.
LIU Wei,TANG Daqing,CHEN Mingyue,et al.Fault structure characteristics and evolution in the Gudian fault depression,southern Songliao Basin[J].Fault-Block Oil & Gas Field,2022,29(6):816-823.
[16] 王璞珺,赵然磊,蒙启安,等.白垩纪松辽盆地:从火山裂谷到陆内拗陷的动力学环境[J].地学前缘,2015,22(3):99-117.
WANG Pujun,ZHAO Ranlei,MENG Qi′an,et al.Cretaceous Songliao Basin:dynamic background from volcanic rift to interior sag basin[J].Earth Science Frontiers,2015,22(3):99-117.
[17] 张春阳.松南长岭断陷基底特征及其无机气成因意义[D].北京:中国地质大学(北京),2010.
ZHANG Chunyang.Characteristics of the basement in the Songnan Changling Fault Depression and its significance for inorganic gas genesis[D].Beijing:China University of Geosciences(Beijing),2010.
[18] 梅啸寒,吴欣松,赵家宏,等.断层密集带样式及其对油气成藏的控制作用——以松辽盆地扶新隆起带杨大城子油层为例[J].断块油气田,2020,27(1):1-6.
MEI Xiaohan,WU Xinsong,ZHAO Jiahong,et al.Types of fault-intensive belts and their control on hydrocarbon accumulation:a case study of Yangdachengzi oil layer in Fuxin Uplift,Songliao Basin[J].Fault-Block Oil & Gas Field,2020,27(1):1-6.
[19] 李瑞磊.松辽盆地(南部)深层构造特征及油气富集规律研究[D].长春:吉林大学,2005.
LI Ruilei.Study on deep structure and hydrocarbon enrichment in the southern Songliao Basin[D].Changchun:Jilin University,2005.
[20] 范婕,蒋有录,刘景东,等.长岭断陷龙凤山地区断层与油气运聚的关系[J].地球科学,2017,42(10):1817-1829.
FAN Jie,JIANG Youlu,LIU Jingdong,et al.Relationship between faults and hydrocarbon migration and accumulation in Longfengshan Area,Changling Fault Depression[J].Journal of Earth Science,2017,42(10):1817-1829.
[21] 闫百泉,孙扬,杨贵茹,等.松辽盆地深层断陷分布特征及其控制因素[J].大庆石油地质与开发,2020,39(1):1-9.
YAN Baiquan,SUN Yang,YANG Guiru,et al.Distribution characteristics and their controlling factors of the deep fault depression in Songliao Basin[J].Petroleum Geology & Oilfield Development in Daqing,2020,39(1):1-9.
[22] 林乐宵.松辽盆地长岭坳陷区域断层与构造特征研究[J].长江大学学报(自科版),2018,15(3):18-22.
LIN Lexiao.Study on regional fracture and tectonic characteristics of Changling Depression in Songliao Basin[J].Journal of Yangtze University(Natural Science Edition),2018,15(3):18-22.
[23] 罗群.断层控烃理论的概念、原理、模式与意义[J].石油勘探与开发,2010,37(3):316-324.
LUO Qun.Concept,principle,model and significance of the fault controlling hydrocarbon theory[J].Petroleum Exploration and Development,2010,37(3):316-324.
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