Jabung区块层序地层格架及岩性油气藏勘探潜力

doi:10.3969/j.issn.1673-8926.2017.02.012

岩性油气藏 ›› 2017, Vol. 29 ›› Issue (2): 99–106.doi: 10.3969/j.issn.1673-8926.2017.02.012

Jabung区块层序地层格架及岩性油气藏勘探潜力

田鑫^1,2, 王绪本¹, 郭维华², 吕锡敏², 李国斌², 王荣华²

1. 成都理工大学地球勘探与信息技术教育部重点实验室, 成都 610059;
2. 中国石油勘探开发研究院西北分院, 兰州 730020

收稿日期:2016-11-17 修回日期:2017-01-22 出版日期:2017-03-21 发布日期:2017-03-21
第一作者:田鑫(1968-),男,博士,高级工程师,主要从事测井解释及石油地质综合研究工作。地址:(730020)甘肃省兰州市城关区雁儿湾路535号。Email:tian_x@petrochina.com.cn。
基金资助:
中国石油天然气集团公司研究课题“海外油气田勘探与开发技术研究”（编号：Y2013JF8-02）资助

Sequence stratigraphic framework and lithologic reservoir potential in Jabung block

TIAN Xin^1,2, WANG Xuben¹, GUO Weihua², LYU Ximin², LI Guobin², WANG Ronghua²

1. Key Laboratory of Earth Exploration & Information Techniques of Ministry of Education, Chengdu University of Technology, Chengdu 610059, China;
2. PetroChina Research Institute of Petroleum Exploration & Development-Northwest, Lanzhou 730020, China

Received:2016-11-17 Revised:2017-01-22 Online:2017-03-21 Published:2017-03-21

摘要/Abstract

摘要： Jabung 区块位于印尼南苏门答腊盆地，区内的构造油气藏已基本勘探完毕，岩性油气藏虽有多处发现，但缺乏整体研究和规律性认识。为了进一步挖潜Jabung 区块内的剩余勘探潜力，落实下一步岩性油气藏勘探接替领域和重点区带，在层序地层学及储层地震地层学理论的指导下，综合地质、测井和地震等资料，识别出三级层序界面，建立了古近系和新近系层序地层格架，并依据层序地层格架控制岩性油气藏及其疏导体系这一理论，研究了区内层序地层特征与岩性油气藏分布规律之间的关系。结果表明：Jabung 区块古近系和新近系自下而上可划分为SQ1—SQ7 等7 个三级层序，层序演化控制着岩性油气藏生储盖的组合方式和发育位置；SQ1（断陷发育期）控制主力烃源岩的分布，SQ2 和SQ3（断坳转换期）控制近岸水下扇等岩性体的发育，SQ4（坳陷发育早期）形成了一套浅海相的灰岩储层，SQ5（坳陷发育期）多为浅海相沉积，SQ6 和SQ7（坳陷晚期）以河流—三角洲相沉积为主。指出了4 个岩性油气藏勘探有利区带，为Jabung 区块岩性油气藏勘探奠定了理论基础。

Abstract: Jabung block is located in South Sumatra Basin,Indonesian,in which structural reservoir exploration has been basically completed,and many lithologic reservoirs have been found,with lack of integral research and understanding. In order to tap the potential and define the next replace exploration area,under the guidance of theories of sequence stratigraphy and reservoir seismic stratigraphy,the geology,logging and seismic data were applied to identify third-order sequence boundary in Jabung block,and the sequence stratigrapgic frameworks of the Paleogene and Neogene were established. According to the theory that sequence stratigraphic framework controls hydrocarbon accumulation and migration,the relationship between sequence stratigraphic characteristics and hydrocarbon accumulation of lithologic reservoirs was studied. The results show that the strata can be classified as SQ1-SQ7 seven third-order sequences,and the sequence evolution controls the pattern of source reservoir cap assemblage and development position of lithologic reservoirs. SQ1 controls the distribution of main source rocks(developed in the rifting period). SQ2 and SQ3(developed in the conversion period from rifting to depression) control the development of nearshore subaqueous fan. SQ4(early depression)developed shallow marine limestone reservoir. SQ5 mostly developed shallow marine sedimentary facies. SQ6 and SQ7 mainly developed river-delta facies. Four favorable exploration areas for lithologic reservoirs were identified,guiding the exploration prospect for further lithologic reservoir exploration in Jabung block.

中图分类号:

TE121.3

田鑫, 王绪本, 郭维华, 吕锡敏, 李国斌, 王荣华. Jabung区块层序地层格架及岩性油气藏勘探潜力[J]. 岩性油气藏, 2017, 29(2): 99–106.

TIAN Xin, WANG Xuben, GUO Weihua, LYU Ximin, LI Guobin, WANG Ronghua. Sequence stratigraphic framework and lithologic reservoir potential in Jabung block[J]. Lithologic Reservoirs, 2017, 29(2): 99–106.

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Jabung区块层序地层格架及岩性油气藏勘探潜力

Sequence stratigraphic framework and lithologic reservoir potential in Jabung block

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