| 东营凹陷北部典型构造转换带特征研究 |
| |
| 引用本文： | 符武才,李,理,徐,聪,曹,哲.东营凹陷北部典型构造转换带特征研究[J].地质科学,2021,56(1):44-059. |
| |
| 作者姓名： | 符武才 李 理 徐 聪 曹 哲 |
| |
| 作者单位： | 中国石油大学（华东）地球科学与技术学院 山东青岛 266580 |
| |
| 基金项目： | 国家科技重大专项课题(编号:2017ZX05009001)资助。 |
| |
| 摘 要： | 伸展构造区转换带是伸展不均衡的结果,它在协调伸展构造发育的同时,本身又产生不同的变形特征,因此,对其研究,有助于更好地研究断层的产生、连接和发育的三维构造样式。本文通过研究东营凹陷北部转换带的几何学和运动学特征,并进行转换带物理模拟实验,得出以下结论:1)东营凹陷北部典型构造转换带的类型为同向趋近型;2)定量研究转换带的伸展量和伸展率,得出E2s3中时期东营凹陷北部属于强烈伸展阶段,认为转换带的主要发育时期为E2s3中时期;3)通过物理模拟实验研究转换带的成因演化,划分出了转换带发育的4个阶段:孤立阶段、“软连接”趋近阶段、“软连接”破裂阶段和“硬连接”阶段,其中模拟的“硬连接”阶段对应的是E2s3中时期,是转换带的主要发育时期;4)转换带上发育的裂缝和小型断层,可作为油气运移通道,而转换带附近的三角洲砂砾岩沉积扇及转换带浅部地层都可作为有利的油气聚集场所。
|
| 关 键 词： | 转换带 构造特征 成因演化 东营凹陷 古近纪 |
| 收稿时间： | 2020-07-30 |
The study on characteristics of typical structural transfer zone in northern of Dongying Sag |
| |
| Fu Wucai Li Li Xu Cong Cao Zhe.The study on characteristics of typical structural transfer zone in northern of Dongying Sag[J].Chinese Journal of Geology,2021,56(1):44-059. |
| |
| Authors: | Fu Wucai Li Li Xu Cong Cao Zhe |
| |
| Institution: | School of Geosciences, China University of Petroleum （East China）, Qingdao, Shandong 266580 |
| |
| Abstract: | The transfer zone is the result of uneven extension in the extensional structural area, which not only coordinates the development of the extensional structure, but also produces different deformation characteristics. Therefore, the study of it is helpful to better study the three-dimensional structural style of the generation, connection and development of faults. In this paper, by studying the geometric and kinematic characteristics of the northern transfer zone in Dongying Sag, the following conclusions are drawn：1) The typical structural transfer zone in the north of Dongying Sag is the type of homotactic convergence; 2) Quantitative research on the extension and extension rate of the transition zone shows that the northern part of the Dongying Sag in the middleE2s3 period belongs to the strong extension stage, and it is believed that the main development period of the transition zone is the middle E2s3 period; 3) Through physical simulation experiments to study the genetic evolution of the transfer zone, four stages of the development of the transfer zone are divided：isolation stage, “soft connection” approaching stage, “soft connection” rupture stage and “hard connection” stage. The simulated “hard connection” stage corresponds to the middle stage ofE2s3, which is the main development stage of the transition zone; 4) The cracks and small faults developed on the transfer zone can be used as oil and gas migration channels, and the delta glutenite sedimentary fan near the transfer zone and the shallow strata of the transfer zone can be used as favorable oil and gas accumulation sites. |
| |
| Keywords: | Transfer zone Structural characteristics Genetic evolution Dongying Sag Paleogene |
| 本文献已被 维普 等数据库收录！ |
| 点击此处可从《地质科学》浏览原始摘要信息 |
| 点击此处可从《地质科学》下载免费的PDF全文 |
|
