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Petroleum Migration Characteristics in the Northeastern Part of the Baiyun Depression,Pearl River Mouth Basin,South China Sea
投稿时间:2020-05-22  修订日期:2020-11-07  点此下载全文
引用本文:ZENG Jianhui,WANG Chen,GUO Shuai,YU Yixin,ZHANG Zhongtao,YANG Haizhang,ZHAO Zhao,SUN Rui.2021.Petroleum Migration Characteristics in the Northeastern Part of the Baiyun Depression,Pearl River Mouth Basin,South China Sea[J].ACTA GEOLOGICA SINICA(English edition),95(1):208~231
摘要点击次数: 390
全文下载次数: 598
DOI:10.1111/1755-6724.14623
作者单位E-mail
ZENG Jianhui 1 State Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum (Beijing),Beijing 102249,China2 College of Geosciences,China University of Petroleum (Beijing),Beijing 102249,China zengjh@cup.edu.cn 
WANG Chen 1 State Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum (Beijing),Beijing 102249,China2 College of Geosciences,China University of Petroleum (Beijing),Beijing 102249,China3 State Key Laboratory of Continental Dynamics,Department of Geology,Northwest University,Xi'an 710069,China  
GUO Shuai 4 CNOOC Research Institute Co.,Ltd.,Beijing 100028,China  
YU Yixin 1 State Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum (Beijing),Beijing 102249,China2 College of Geosciences,China University of Petroleum (Beijing),Beijing 102249,China  
ZHANG Zhongtao 5 Shenzhen Branch of China National Offshore Oil Corporation Ltd.,Shenzhen,Guangdong 518054,China  
YANG Haizhang 4 CNOOC Research Institute Co.,Ltd.,Beijing 100028,China  
ZHAO Zhao 4 CNOOC Research Institute Co.,Ltd.,Beijing 100028,China  
SUN Rui 4 CNOOC Research Institute Co.,Ltd.,Beijing 100028,China  
 
Author NameAffiliationE-mail
ZENG Jianhui 1 State Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum (Beijing),Beijing 102249,China2 College of Geosciences,China University of Petroleum (Beijing),Beijing 102249,China zengjh@cup.edu.cn 
WANG Chen 1 State Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum (Beijing),Beijing 102249,China2 College of Geosciences,China University of Petroleum (Beijing),Beijing 102249,China3 State Key Laboratory of Continental Dynamics,Department of Geology,Northwest University,Xi'an 710069,China  
GUO Shuai 4 CNOOC Research Institute Co.,Ltd.,Beijing 100028,China  
YU Yixin 1 State Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum (Beijing),Beijing 102249,China2 College of Geosciences,China University of Petroleum (Beijing),Beijing 102249,China  
ZHANG Zhongtao 5 Shenzhen Branch of China National Offshore Oil Corporation Ltd.,Shenzhen,Guangdong 518054,China  
YANG Haizhang 4 CNOOC Research Institute Co.,Ltd.,Beijing 100028,China  
ZHAO Zhao 4 CNOOC Research Institute Co.,Ltd.,Beijing 100028,China  
SUN Rui 4 CNOOC Research Institute Co.,Ltd.,Beijing 100028,China  
Abstract:This paper investigates the origin and migration characteristics of petroleum in the northeastern part of the Baiyun Depression,Pearl River Mouth Basin (PRMB).The discovered petroleum in the study area is mainly located in the Lower Zhujiang Member (N1z2) and mainly originated from the Enping Formation source rocks in the eastern sag.Active faults (vertical migration) and N1z2 sandstones (lateral migration) acted as the petroleum migration systems.The fault activities in the Dongsha event controlled the episodic petroleum migration.Fractures in the fault zones provided effective conduits,and overpressure was the driving force.The vertical migration could not cross the fault zones laterally.The petroleum injection areas in the carrier beds were the contact zones of petroleum-migration faults and carrier beds.The lateral migration was steady-state migration,and buoyancy was the driving force.The migration pathways in the carrier beds were controlled by the structural morphology.Secondary petroleum migration in the study area could be divided into two parts: vertical migration along the fractures in the fault zones and lateral migration through preferential petroleum migration pathways (PPMPs) in the carrier beds.The petroleum migration behaviors,including migrating direction, driving force,and migration pattern,in the faults and sandstone carrier beds were quite different.This study provides a typical example for comprehending secondary migration processes and has great importance for determining future exploration targets in the deep-water area of the PRMB.
keywords:secondary petroleum migration,episodic petroleum migration,preferential petroleum migration pathways (PPMPs),Baiyun Depression,Pearl River Mouth Basin
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