渤中凹陷断裂成因类型及其对成藏的控制作用

王冠民; 熊周海; 张健; 周东红; 林国松

渤中凹陷断裂成因类型及其对成藏的控制作用

王冠民^{1, 2,},
熊周海¹,
张健³,
周东红⁴,
林国松⁴

1.
中国石油大学(华东)地球科学与技术学院, 山东青岛 266580
2.
海洋国家实验室海洋矿产资源评价与探测技术功能实验室, 山东青岛 266071
3.
大庆油田采油八厂, 黑龙江大庆 163514
4.
中海石油(中国)有限公司天津分公司, 天津塘沽 300457

基金项目:

国家"十二五"科技重大专项"渤中凹陷油气成藏规律及勘探方向研究" 2011ZX05023-001-013

详细信息

作者简介:
王冠民(1969-), 男, 吉林省桦甸市人, 教授, 博士, 主要从事储层地质学研究。E-mail:wguanmin@sina.com

中图分类号: TE122.1+2
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- 文章访问数: 117
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- 被引次数: 0
出版历程
- 收稿日期: 2015-11-20
- 刊出日期: 2016-06-28

GENETIC TYPES OF THE FRACTURE AND ITS CONTROL ON HYDROCARBON ACCUMULATION IN BOZHONG SAG

1.
School of Geosciences, China University of Petroleum (East China), Qingdao 266580, Shandong, China
2.
Laboratory for Marine Mineral Resources, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
3.
Daqing Oilfield, Daqing 163514, China
4.
Tianjin Branch of CNOOC, Tianjin 300452, China

摘要

摘要: 在对渤中凹陷进行大量精细地震解释基础上，按照断层的发育过程，将渤中凹陷古近系—新近系的断裂划分为消亡型、继承型、继承-改造型和新生型。结合目前所发现的油气藏分布特点，确定不同类型断裂对油气的运移和成藏具有不同的控制作用。消亡型断裂是由早期伸展作用而成的正断层，古近纪发育，新近纪停止活动，与该型断裂有关的油气藏很少；继承型断裂是从古近纪到新近纪持续受伸展作用形成的正断裂，因长期活动，该型断裂以垂向输导油气为主，以油气成藏为辅；继承-改造型断裂在古近纪受控于伸展作用，而在新近纪受控于剪切作用，该型断裂不但有利于油气的输导和运移，而且利于油气的成藏；新生型断裂在新近纪时期受强烈的剪切作用所形成，其与继承型或继承-改造型断裂相伴生时较有利于成藏。
- 断裂 /
- 分类 /
- 成藏 /
- 油气输导 /
- 渤中凹陷
Abstract: Based on numerous seismic interpretations to Bozhong sag, the study classifies the fracture of Neogene and Paleogene into four types in terms of the process of faults development. They are extinct fracture, inheritance fracture, inheritance-reformed fracture, and new fracture. Combined with the current statistics of reservoir, the analysis shows that each type has a different effect on the hydrocarbon migration and accumulation. Extinct fracture developed from Paleogene to early Neogene is normal fault formed by extensional effect and has few reservoirs. Inheritance fracture is sustained extensional normal fault from early Paleogene to late Neogene. It plays a major role in the vertical transporting oil and gas and a supporting role for hydrocarbon accumulation. Inheritance-reformed fracture controlled by extensional effect in Paleogene and shearing action in Neogene is not only conducive to transport oil and gas, but also conducive to hydrocarbon accumulation. New fracture developed by strong shearing effect in Neogene is more favorable to accumulate oil and gas when accompanying with inheritance fracture or inheritance-reformed fracture.
- fracture /
- classification /
- accumulation /
- oil and gas transporting /
- Bozhong sag

HTML全文

图 1 渤中地区断裂分类

①—新生型断裂; ②—消亡型断裂; ③—继承型断裂; ④—继承⁃改造型断裂

Figure 1. Classification of the fractures in Bozhong area

下载: 全尺寸图片幻灯片

图 2 渤中地区各种类型断裂分布

Figure 2. Distribution of various types of fracture in Bozhong area

下载: 全尺寸图片幻灯片

图 3 渤中凹陷不同断裂类型控制油藏数量

Figure 3. The number of reservoir associated with different fault types in Bozhong sag

下载: 全尺寸图片幻灯片

图 4 继承-改造型(a)和继承型(b)断裂成藏图

Figure 4. The map showing accumulation of inheritance-reformed fracture(a)and inheritance fracture(b)

下载: 全尺寸图片幻灯片

图 5 渤中凹陷不同类型断裂对油气的输导作用

a—继承型断裂; b—新生型断裂

Figure 5. Map showing faults transport oil and gas

下载: 全尺寸图片幻灯片

图 6 封闭断层SGR及R_m参数分布

Figure 6. Parameter distribution of SGR and Rm of closed fault

下载: 全尺寸图片幻灯片

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