准噶尔盆地东部吉木萨尔-吉南凹陷构造演化及原型盆地恢复

夏世威; 马强; 黄传炎; 张伟; 李潇鹏; 张宏; 马江浩; 彭亚中; 聂锋

doi:10.19509/j.cnki.dzkq.tb20230095

准噶尔盆地东部吉木萨尔-吉南凹陷构造演化及原型盆地恢复

doi: 10.19509/j.cnki.dzkq.tb20230095

夏世威^1a,,
马强²,
黄传炎^1b, ,,
张伟²,
李潇鹏³,
张宏²,
马江浩^1a,
彭亚中²,
聂锋^1a

1a.
中国地质大学(武汉) 资源学院, 武汉 430074
1b.
中国地质大学(武汉) 构造与油气资源教育部重点实验室, 武汉 430074
2.
新疆维吾尔自治区吐哈油田公司勘探开发研究院, 新疆吐哈 839009
3.
湖南科技大学地球科学与空间信息工程学院, 湖南湘潭 411100

基金项目:

中国石油吐哈油田分公司科研项目"吉木萨尔凹陷及周缘二叠系沉积相及储层特征研究" ZDXMZC2022004

详细信息

作者简介:
夏世威, E-mail: 1227119799@qq.com

通讯作者:
黄传炎, E-mail: cyhuang76@163.com

中图分类号: P618.13
计量
- 文章访问数: 244
- PDF下载量: 29
- 被引次数: 0
出版历程
- 收稿日期: 2023-02-23
- 录用日期: 2023-05-29
- 修回日期: 2023-05-29

Tectonic evolution and prototype basin reconstruction in the Jimsar and Jinan depressions, eastern Junggar Basin

1a.
School of Earth Resources, China University of Geosciences(Wuhan), Wuhan 430074, China
1b.
Key Laboratory of Tectonics and Petroleum Resources of Ministry of Education, China University of Geosciences(Wuhan), Wuhan 430074, China
2.
Research Institute of Exploration and Development of Xinjiang Tuha Oilfield Company, Tuha Xinjiang 839009, China
3.
College of Earth Science and Space Information Engineering, Hunan University of Science and Technology, Xiangtan Hunan 411100, China

More Information

Author Bio:
XIA Shiwei, E-mail: 1227119799@qq.com

Corresponding author: HUANG Chuanyan, E-mail: cyhuang76@163.com

摘要

摘要:
自2020年开始, 随着准噶尔盆地吉木萨尔凹陷双吉构造带的研究深入、萨探1井在二叠系井井子沟组试油获得高产油流, 表明了吉木萨尔凹陷、吉南凹陷具有良好的常规油气勘探潜力。为深入研究吉木萨尔凹陷和吉南凹陷的地质特征及勘探潜力, 综合岩心、录井、测井和地震等资料, 通过识别区域不整合面, 划分出不同构造阶段, 得到构造与地层演化的关系。在此基础上恢复各地层发育过程, 建立构造与研究区内隆凹演化的耦合关系, 对原型盆地进行恢复。研究表明, 吉木萨尔及吉南凹陷发育5个区域大型不整合面, 经历了4幕构造活动。研究区地层演化特征从"北高南低"(早二叠世)发展为"南高北低"(古近纪、新近纪)。原型盆地也由早二叠世的"多凸多凹" 格局, 在古近纪、新近纪时期转变为"少凸大凹"的构造格局。构造与隆凹演化耦合关系的确立及各时期原型盆地的恢复为厘清吉木萨尔凹陷、吉南凹陷不同时期的盆地特征奠定了重要基础, 有助于深化吉木萨尔凹陷、吉南凹陷的油气勘探工作。
- 构造幕次 /
- 原型盆地 /
- 吉南凹陷 /
- 吉木萨尔凹陷 /
- 准噶尔盆地
Abstract: <p>Since 2020, with in-depth research on the Shuangji structural belt in the Jimsar Depression, Junggar Basin and high-yield oil flow data obtained from the Triassic Jingjingzigou Formation in the Well Satan 1, it has been demonstrated that the Jimsar and Jinan depressions have promising potential for conventional oil and gas exploration.</p></sec><sec><title>Objective
To further study the geological characteristics and exploration potential of the Jimsar and Jinan depressions,
Methods
this paper comprehensively analyses data from core samples, logging, well logging, and seismic surveys; identifies regional unconformities; categorizes different tectonic stages; and establishes the correlation between tectonic and stratigraphic evolution. Based on this, the development process of each stratum is restored, and the coupling relationship between tectonics and the evolution of uplift and depression within the research area is established, and the prototype basin is restored.
Results
This study revealed five large unconformities in the Jimsar and Jinan depressions, which have undergone four episodes of tectonic activity. The stratigraphic evolution characteristics of the study area ranged from "north high and south low" in the Early Permian to "south high and north low" in the Palaeogene and Neogene. The original basin also changed from a "multiconvex and multiconcave" pattern in the Early Permian to a "few convex and large concave" structural pattern in the Palaeogene and Neogene.
Conclusion
The establishment of the coupling relationship between tectonics and the evolution of uplift and depression at different times and the restoration of the prototype basin during each period lays an important foundation for clarifying the basin characteristics of the Jimsar and Jinan depressions during different periods and helps to enhances oil and gas exploration in these areas.
- tectonic curtain /
- prototype basin /
- Jinan Depression /
- Jimsar Depression /
- Junggar Basin
注释:

所有作者声明不存在利益冲突。

The authors declare that no competing interests exist.

HTML全文

图 1 吉木萨尔、吉南凹陷工区图^[4] (a)和地层特征图(b)

Figure 1. Work area map (a) and stratigraphic feature map (b) in the Jimsar and Jinan depressions (b)

下载: 全尺寸图片幻灯片

图 2 吉木萨尔、吉南凹陷地震剖面图(a) (剖面A-A′位置见图 1a) 和北探3井测井图(b)

P₂jj, P₂l, P₃wt, P₂w分别为二叠系井井子沟组、芦草沟组、梧桐沟组、乌拉泊组；T.三叠系；J.侏罗系；K.白垩系；E+N.古近系和新近系; C.石炭系，下同

Figure 2. Seismic profile in the Jimsar and Jinan depressions (a) and logging of Well Beitan 3 (b)

下载: 全尺寸图片幻灯片

图 3 吉木萨尔、吉南凹陷区域不整合面测井图

a.北35井；b.北6井；c.南101井；d.北1901井，钻井位置见图 1a

Figure 3. Logging of unconformity in the Jimsar and Jinan depressions

下载: 全尺寸图片幻灯片

图 4 区域构造-沉积演化剖面图(剖面位置见图 1)

Figure 4. Regional tectonics-sedimentary evolution profile

下载: 全尺寸图片幻灯片

图 5 准东阜康断裂带地区二叠世残余地层厚度图

Figure 5. Permian stratigraphic thickness of the Fukang fault zone area of Zhundong Early Permian (a) and Late Permian (b)

下载: 全尺寸图片幻灯片

图 6 吉木萨尔及吉南凹陷原型盆地演化模式图

a.构造Ⅰ幕(早、中二叠世); b.构造Ⅱ幕(晚二叠世-三叠纪); c.构造Ⅲ幕早期(侏罗纪-白垩纪早期); d.构造Ⅲ幕晚期(白垩纪晚期); e.构造Ⅳ幕(新近纪+晚古近世)

Figure 6. Evolution patten of the prototype basin in the Jimsar and Jinan depressions

下载: 全尺寸图片幻灯片

图 7 吉木萨尔及吉南凹陷岩心图版

Figure 7. Representative core photos in the Jimsar and Jinan depressions

下载: 全尺寸图片幻灯片

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