|本期目录/Table of Contents|

[1]刘丹丹 赵国祥 官大勇 黄 颖 朱勇超.渤南低凸起北侧斜坡带新近系油气成藏关键因素分析[J].中国海上油气,2019,31(06):25-33.[doi:10.11935/j.issn.1673-1506.2019.06.004]
 LIU Dandan ZHAO Guoxiang GUAN Dayong HUANG Ying ZHU Yongchao.Analysis on key factors of Neogene hydrocarbons accumulation in the northern slope of Bonan low uplift[J].China Offshore Oil and Gas,2019,31(06):25-33.[doi:10.11935/j.issn.1673-1506.2019.06.004]
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渤南低凸起北侧斜坡带新近系油气成藏关键因素分析()

《中国海上油气》[ISSN:1673-1506/CN:11-5339/TE]

卷:
第31卷
期数:
2019年06期
页码:
25-33
栏目:
渤海海域油气勘探开发成果专辑
出版日期:
2019-11-21

文章信息/Info

Title:
Analysis on key factors of Neogene hydrocarbons accumulation in the northern slope of Bonan low uplift
文章编号:
1673-1506(2019)06-0034-10
作者:
刘丹丹 赵国祥 官大勇 黄 颖 朱勇超
(中海石油(中国)有限公司天津分公司 天津 300459)
Author(s):
LIU Dandan ZHAO Guoxiang GUAN Dayong HUANG Ying ZHU Yongchao
(CNOOC China Limited, Tianjin Branch, Tianjin 300459, China)
关键词:
渤南低凸起北侧 斜坡带 新近系 油气成藏 关键因素
Keywords:
northern side of Bonan low uplift slope zone Neogene hydrocarbons accumulation key factors
分类号:
TE122.1
DOI:
10.11935/j.issn.1673-1506.2019.06.004
文献标志码:
A
摘要:
以渤南低凸起北侧斜坡带为靶区,结合围区近几年所钻探井资料、三维地震资料及测录井资料,对该区新近系油气成藏条件及关键因素进行了分析。综合分析认为,充足的油源供给、横向广泛发育的输导层与断层耦合、反向断层与挤压性断层的良好侧封能力是渤南低凸起北侧斜坡带新近系油气成藏的三大关键因素。渤南低凸起北侧斜坡带紧邻渤中、渤东等富烃凹陷,烃源充足; 潜山不整合面和馆陶组底部砂岩广泛发育,有利于油气从凹陷区向斜坡区运移,而且两套横向输导层与晚期活动断裂匹配良好,有利于油气垂向运移到新近系; 斜坡带发育的反向断层及挤压性正断层为油气侧封提供了保障。因此,渤南低凸起北侧斜坡带新近系具有良好勘探前景,有望形成中型油田。
Abstract:
By taking the northern slope of Bonan low uplift as the target area, combined with the drilling data, 3D seismic data and logging/mud logging data of the surrounding areas, the Neogene hydrocarbons accumulation conditions and key factors of this area have been analyzed. According to the comprehensive analysis, the sufficient oil source supply, the laterally extensively developed coupling of carrier bed and fault, and the perfect lateral sealing of reverse fault and compressional fault are three key factors for Neogene hydrocarbons accumulation in the northern slope of Bonan low uplift. This slope is adjacent to the hydrocarbons-rich Bozhong and Bodong sags, and the hydrocarbon sources are sufficient. The unconformity of buried hill and the sandstone at the bottom of Guantao Formation were widely developed, which is conducive to the migration of oil and gas from the sags to the slope. Moreover, the two sets of lateral carrier beds are well matched with the late active faults, which is conducive to the vertical migration of oil and gas to the Neogene; the reverse fault and compressional normal fault developed on the slope zone provided security for the lateral sealing of oil and gas. Therefore, the Neogene strata in the northern slope of Bonan low bulge show good prospects in exploration, and it is possible to find a medium-scale oilfield there.

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备注/Memo

备注/Memo:
*“十三五”国家科技重大专项“渤海海域勘探新领域及关键技术研究(编号:2016ZX05024-003)”部分研究成果。 第一作者简介: 刘丹丹,工程师,2011年毕业于中国石油大学(北京)矿产普查与勘探专业,获硕士学位,主要从事海上油气勘探研究工作。地址:天津市滨海新区海川路2121号渤海石油管理局大厦B座(邮编:300459)。E-mail:liudd3@cnooc.com.cn。
更新日期/Last Update: 1900-01-01