必须声明标量变量 "@Script_ID"。 珠江口盆地白云凹陷东北部原油运移聚集特征-《地球科学与环境学报》
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[1]王芳芳,曾溅辉*,张忠涛,等.珠江口盆地白云凹陷东北部原油运移聚集特征[J].地球科学与环境学报,2019,41(05):561-576.
 WANG Fang-fang,ZENG Jian-hui*,ZHANG Zhong-tao,et al.Characteristics of Crude Oil Migration and Accumulation in the Northeastern Baiyun Sag of Pearl River Mouth Basin, China[J].Journal of Earth Sciences and Environment,2019,41(05):561-576.
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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:
第41卷
期数:
2019年第05期
页码:
561-576
栏目:
基础地质与矿产地质
出版日期:
2019-09-15

文章信息/Info

Title:
Characteristics of Crude Oil Migration and Accumulation in the Northeastern Baiyun Sag of Pearl River Mouth Basin, China
文章编号:
1672-6561(2019)05-0561-16
作者:
王芳芳123曾溅辉12*张忠涛4石宁4张功成5余一欣12杨海长5徐徽4赵庆4王晨12张靖12刘晓凤12
(1. 中国石油大学(北京)油气资源与探测国家重点实验室,北京 102249; 2. 中国石油大学(北京)地球科学学院,北京 102249; 3. 清华大学 核能与新能源技术研究院,北京 102201; 4. 中海石油(中国)有限公司深圳分公司,广东 深圳 518067; 5. 中海油研究总院,北京 100028)
Author(s):
WANG Fang-fang123 ZENG Jian-hui12* ZHANG Zhong-tao4 SHI Ning4 ZHANG Gong-cheng5 YU Yi-xin12 YANG Hai-zhang5 XU Hui4 ZHAO Qing4WANG Chen12 ZHANG Jing12 LIU Xiao-feng12
(1. State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum,Beijing 102249, China; 2. College of Geosciences, China University of Petroleum, Beijing 102249, China; 3. Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 102201, China; 4. Shenzhen Branch of CNOOC China Ltd., Shenzhen 518067,Guangdong, China; 5. CNOOC Research Institute, Beijing 100028, China)
关键词:
断裂 向源型 顺源型 珠江组 构造脊 运移路径 油气差异聚集 珠江口盆地
Keywords:
fault follow-source forward-source Zhujiang Formation structure ridge migration pathway differential accumulation of hydrocarbon Pearl River Mouth Basin
分类号:
P618.13
DOI:
-
文献标志码:
A
摘要:
珠江口盆地白云凹陷是中国南海北部深水区最大的富烃凹陷,近年来在白云凹陷东北部获得了多个商业性轻质油气藏,勘探前景良好,但对其原油运移、聚集成藏的研究还处于探索阶段。基于三维地震资料解释、油气地球化学资料分析以及油气成藏综合研究,探讨白云凹陷东北部油气藏分布特征,研究了原油的输导体系及其运移和聚集特征,建立了原油成藏模式。结果表明:油源断裂是原油垂向运移的主要通道,顺源型油源断裂和向源型油源断裂都具有良好的输导性能,由物性较好的珠江组下段砂体组成的构造脊1和2为原油侧向运移的优势路径; 原油主要聚集在反向断裂控制的翘倾半背斜圈闭中,具有“内气外油”的差异聚集特征; 原油成藏具有“断-脊输导、断-盖控聚、差异聚集”的特征。白云凹陷东北部展现了以断裂为依托,沿构造脊找油的良好勘探方向,对白云凹陷及其邻区的深水油气勘探具有一定的指导意义。
Abstract:
Baiyun sag of Pearl River Mouth Basin is the biggest hydrocarbon-rich sag in the deep water area of the northern South China Sea. In recent years, a series of commercial light hydrocarbon reservoirs are discovered in the northeastern Baiyun Sag, showing good exploration prospects, but there is no deep understanding on migration and accumulation patterns of crude oil. The 3D seismic interpretation, geochemical analysis and hydrocarbon accumulation research were deployed to comprehensively evaluate the distribution of hydrocarbon reserviors, the migration pathway system, the migration and accumulation characteristics of crude oil in the northeastern Baiyun sag, so the accumulation pattern was established. The results show that the main passages of the vertical migration of crude oil are oil-source faults, among which the migration ability of follow-source and forward-source faults is favorable, meanwhile, it is noteworthy that the sandbodies with good physical properties in Lower Zhujiang Formation can constitute the structure ridges 1 and 2, and these two ridges provide dominant migration pathways for crude oil; crude oil mainly accumulates in semi-anticlinal traps controlled by reverse faults, and the hydrocarbon has the characteristics of differential accumulation, which are oil in the inner and gas in the outer; migrated through oil-source faults and structure ridges, accumulated under the control of faults and cap rock, as well as the differential accumulation of hydrocarbon, are the three accumulation characteristics of crude oil. The northeastern Baiyun sag shows good exploration direction for finding petroleum along the structure ridges, as well as based on the recognition of faults, that is of certain guiding significance for hydrocarbon exploration of deep water area in Baiyun sag and adjacent areas.

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备注/Memo

备注/Memo:
收稿日期:2019-03-07; 修回日期:2019-05-15投稿网址:http:∥jese.chd.edu.cn/
基金项目:国家油气重大专项项目(2016ZX05026-007)
作者简介:王芳芳(1992-),女,陕西富平人,中国石油大学(北京)工学硕士研究生,E-mail:1224937349@qq.com。
*通讯作者:曾溅辉(1962-),男,江西新干人,教授,博士研究生导师,工学博士,E-mail:zengjh@cup.edu.cn。

更新日期/Last Update: 2019-09-19