[1]张金良.定边新安边油区长10储层物性对成藏影响分析[J].西安科技大学学报,2015,(05):638-643.[doi:10.13800/j.cnki.xakjdxxb.2015.0518]
 ZHANG Jin-liang.Influence of Chang 10 reservoir physical property on oil layer formation of Xinanbian oil region in Dingbian[J].Journal of Xi'an University of Science and Technology,2015,(05):638-643.[doi:10.13800/j.cnki.xakjdxxb.2015.0518]
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定边新安边油区长10储层物性对成藏影响分析(/HTML)
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西安科技大学学报[ISSN:1672-9315/CN:61-1434/N]

卷:
期数:
2015年05期
页码:
638-643
栏目:
出版日期:
2015-10-08

文章信息/Info

Title:
Influence of Chang 10 reservoir physical property on oil layer formation of Xinanbian oil region in Dingbian
作者:
张金良
延长油田股份有限公司 杏子川采油厂 陕西 延安 717400
Author(s):
ZHANG Jin-liang
Xingzichuan Oil Production Plant,Yanchang Petroleum Co.,Ltd., Yan'an 717400,China
关键词:
鄂尔多斯盆地 长10储层 深部油藏 富集规律
Keywords:
erdos basin Chang 10 reservoirs deep reservoirs enrichment regularity
分类号:
TE 122
DOI:
10.13800/j.cnki.xakjdxxb.2015.0518
文献标志码:
A
摘要:
三叠系延长组长10油层组是鄂尔多斯盆地定边地区近年来新发现的深部勘探开发层系,为了明确长10油层组储层特征与油藏分布控制因素的关系,寻找有效的深部储层潜力开发区,为深部储层勘探开发提供理论指导,在各类测试分析基础上、结合试油试采资料,综合分析评价长10油层组储层特征及其油藏分布控制因素,研究表明:长10油层组储层砂体以河道砂坝沉积为主,横向变化快,物性差,孔隙度平均8.98%; 渗透率平均0.84×10-3 μm2,孔隙组合以残余粒间孔-粒间溶孔组合为主,属于小孔细吼型低孔特低渗-超低渗储层; 长10油藏的分布主要受储层物性控制,宏观上油藏主要分布在河道砂坝部位,微观上,油藏分布主要受到喉道大小的控制,寻找河道砂坝主体部位的绿泥石膜发育带是该区长10油层勘探取得突破的关键。
Abstract:
Chang 10 reservoir of Triassic system was a new deep exploring and development reservoir.In order to research the mechanism of deep oil reservoir in Ordos Basin,find effective deep oil reservoir potential area, provide theoretical guidance to the exploration and development,based on test analysis, combined with well testing and early production test data, the lithologic characteristics and the distributions of Chang 10 reservoir was analyzed and evaluated. The results showed that the main sand of Chang 10 reservoir lies in distributary's channel, changed drastically in lateral direction with poor physical property,average porosity 8.98%, and average permeability 0.84×10-3 μm2.Main types of pores was dominated by residual inter-granular space with partial grain solutional voids, which belongs to low porosity, special to super-low permeability reservoir. The distributions of Chang 10 reservoir was controlled by 2 reasons,that is in microcosmic was sedimentary micro-facies,most of oil bearing area lies in distributary channel,partial in lateral border; in macroscopic the distribution relativity with porosity is less than permeability.A conclusion is drawn that the distribution was controlled by the size of throat.In order to improve the success rate of exploration,the key factor for deep hydrocarbon accumulation was to find the development zone of chlorite membrane in the main part of the sand dam.

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备注/Memo

备注/Memo:
基金项目:陕西省教育厅专项科研计划项目(2010JK919) 通讯作者:张金良(1984-),男,陕西靖边人,工程师,E-mail:zhajl55@163.com
更新日期/Last Update: 2015-09-15