[1]刘新菊,高月刚,张洪军,等.安塞特低渗叠加砂岩单砂体剩余油分布机理与挖潜[J].复杂油气藏,2015,(04):45.
　Liu Xinju,GaoYuegang,Zhang Hongjun,et al.Distribution mechanism and potential tapping to remaining oil in overlap single sandbody of Ansai reservoir with extra-low permeability[J].Complex Hydrocarbon Reservoirs,2015,(04):45.
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安塞特低渗叠加砂岩单砂体剩余油分布机理与挖潜
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
期数:
2015年04期
页码:
45
栏目:
油气开发
出版日期:
2015-12-25

文章信息/Info

Title:
Distribution mechanism and potential tapping to remaining oil in overlap single sandbody of Ansai reservoir with extra-low permeability
作者:
刘新菊1; 高月刚1; 张洪军1; 薛利娜2; 王学生1
1.中国石油长庆油田公司第一采油厂,陕西 延安 716000; 2.中国石油长庆油田公司长庆科技工程有限公司,陕西 西安 710018
Author(s):
Liu Xinju1; GaoYuegang1;  Zhang Hongjun1; Xue Lina2; Wang Xuesheng1
1.No.1 Oil Production Plant of Changqing Oilfild Company,PetroChina,Yan'an 716000,China; 2.Changqing Scientific and Technological Engineering Ltd.Company of Changqing Oilfield Company,PetroChina,Xi'an 710018,China
关键词:
安塞油田 特低渗透储层 叠加砂岩 单砂体 剩余油
Keywords:
Ansai Oilfield;  extra-low permeability reservoir;  overlap sandstone;  single sand body;  remaining oil
分类号:
TE327
文献标志码:
A
摘要:
安塞特低渗透亿吨级整装油田主力油层C611-2小层,内部由四期河道叠加的单砂体组成,经过30 a的注水开发,剖面动用不均,强水淹厚度不足15%,具有较大的挖潜能力。在大量的野外露头调查和检查井岩心观察与分析测试的基础上,利用加密井网测井资料开展单砂体构型解剖,结合生产动态资料和测试资料,分析小层内单砂体剖面动用状况,建立水驱规律与水淹模型,进行单砂体动用程度评价,有针对性地提出隔采、补孔压裂、重复压裂等措施方案。经过在矿场数百口低产、低效、长关井中实施与跟踪评价,平均单井日净增油量在1.0 t以上,措施效果良好。
Abstract:
Major reservoir of Ansai Oilfield with extra-low permeability and in-place volume of hundreds millions ton,named Chang 611-2,is composed of single sandbody from the four phases of river channel overlap.After 30 years of water flooding development,the water injection profile is uneven,and the thickness of water-flooded layer is less than 15%.So there is larger tapping potential.According to the survey of a large number of outcrops and the observation and analytical test of cores taken from inspection wells,the configuration of single sandbody was dissected by using logging data of infilling well pattern.Based on dynamic production data and testing information,producing condition of single sandbody was analyzed,and law of water-flooding and water-flooded model was established,and then the degree of producing condition of single sandbody was evaluated.Finally,the countermeasures such as separated layer production,reperforating fracturing,refracturing,ect.,were proposed.The application results from hundreds of wells with low-production,low efficient,and long time shut-in showed that average net increased oil of single well was up to 1.0 ton per day and the effect was better.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015-06-30; 改回日期:2015-07-17。
作者简介:刘新菊(1972—),女,高级工程师,硕士,现主要从事油田开发工作,电话:029-86506801,13992100401,E-mail:gyg1_cq@petrochina.com.cn。
基金项目:国家科技重大专项“大型油气田及煤层气开发”(2011ZX05013-005)。
doi:10.16181/j.cnki.fzyqc.2015.04.010
更新日期/Last Update: 2015-12-25