[1]胡爱玉.迈陈凹陷构造沉积特征及对油气成藏控制作用[J].复杂油气藏,2016,(04):1.[doi:10.16181/j.cnki.fzyqc.2016.04.001]
　Hu Aiyu.The tectonic and sedimentary characteristics of Maichen Sag and its control function to hydrocarbon accumulation[J].Complex Hydrocarbon Reservoirs,2016,(04):1.[doi:10.16181/j.cnki.fzyqc.2016.04.001]
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迈陈凹陷构造沉积特征及对油气成藏控制作用
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
期数:
2016年04期
页码:
1
栏目:
油气勘探
出版日期:
2016-12-25

文章信息/Info

Title:
The tectonic and sedimentary characteristics of Maichen Sag and its control function to hydrocarbon accumulation
作者:
胡爱玉
中国石化江苏油田分公司勘探开发研究院,江苏 扬州 225009
Author(s):
Hu Aiyu
Exploration and Development Research Institute of Jiangsu Oilfield Company,SINOPEC,Yangzhou 225009,China
关键词:
构造演化 沉积演化 成藏规律 控制因素
Keywords:
structural evolution;  sedimentary evolution;  accumulation rule;  controlling factors
分类号:
TE122
DOI:
10.16181/j.cnki.fzyqc.2016.04.001
文献标志码:
A
摘要:
迈陈凹陷位于北部湾盆地,其成盆演化经历了“断拗-断陷-拗陷”三个不同阶段,形成了上、下两套断裂系统,继承与改造关系复杂,凹陷边界断层发育特征也有较大差异,进而对地层沉积的影响存在较大差别。分析表明,迈陈凹陷东部地区存在南部和北部两个方向的物源体系,受古地貌和水体变化控制,断拗期流沙港组以河流-三角洲-湖相沉积体系为主; 断陷期涠洲组以扇三角洲-河流-三角洲沉积体系为主。构造和沉积演化的差异性导致区内形成了上、下两套成藏系统,储盖组合是控制成藏的主控因素,构造背景影响富集规模,储层物性制约油层产能。
Abstract:
Maichen Sag is located in Beibu Gulf Basin.MaiChen Sag has experienced three stages of evolution which are rifting depression-rift-regional depression,and developed two sets of fault systems which have complicated relationship.And there are big differences in the development characteristics of boundary faults and their influences on the formation sedimentary.Analysis results show that eastern Maichen Sag have two directions of the material source system from the south and north.Controlled by the changes of ancient landform and water level,the Liushagang Formation in rifting depression stage developed river-delta-lacustrine sedimentary system.The Weizhou Formation in rift stage developed fan delta-river-delta sedimentary system.The structural and sedimentary evolution differences led to two sets of accumulation system.The reservoir-seal assemblage is the major factor controlling oil accumulation.The structural background affects the accumulation size,and the reservoir physical properties affect the reservoir productivity.

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备注/Memo

备注/Memo:
收稿日期:2016-08-15; 改回日期:2016-09-27。
作者简介:胡爱玉(1968—),女,高级工程师,现从事勘探地理物理综合研究工作,电话:13951042679,E-mail:huay.jsyt@sinopec.com。
更新日期/Last Update: 2016-12-25