[1]袁彬,苏玉亮,丰子泰,等.体积压裂水平井缝网渗流特征与产能分布研究[J].深圳大学学报理工版,2013,30(No.5(441-550)):545-550.[doi:10.3724/SP.J.1249.2013.05545]
 Yuan Bin,Su Yuliang,Feng Zitai,et al.Productivity distribution and flow characteristics of volume-fractured horizontal wells[J].Journal of Shenzhen University Science and Engineering,2013,30(No.5(441-550)):545-550.[doi:10.3724/SP.J.1249.2013.05545]
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体积压裂水平井缝网渗流特征与产能分布研究()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第30卷
期数:
2013年No.5(441-550)
页码:
545-550
栏目:
环境与能源
出版日期:
2013-09-02

文章信息/Info

Title:
Productivity distribution and flow characteristics of volume-fractured horizontal wells
文章编号:
20130517
作者:
袁彬苏玉亮丰子泰徐晨薛继超鲁明晶
中国石油大学(华东)石油工程学院,山东 青岛 266580
Author(s):
Yuan Bin Su Yuliang Feng Zitai Xu Chen Xue Jichao and Lu Mingjing
College of Petroleum Engineering, China University of Petroleum, Qingdao 266580, Shangdong Province, P.R.China
关键词:
低渗透油田开发致密油藏体积压裂水平井次裂缝流动阶段产能分布
Keywords:
low permeability reservoir tight oil reservoir volume fracturing horizontal well secondary fracture flow stages productivity
分类号:
TE 348
DOI:
10.3724/SP.J.1249.2013.05545
文献标志码:
A
摘要:
指出水平井体积压裂技术可大幅扩大致密油藏泄流面积,提高最终采收率.为直观反映体积压裂水平井的渗流特征,基于优化得到次裂缝参数,利用流线模拟法研究体积压裂水平井流线场及饱和度场分布特征,分析缝网产能分布及含水上升规律.研究表明,水平井体积压裂次裂缝最优穿透比为0.35;整个渗流区域先后经历缝网附近线性流、缝网附近拟径向流和油水井连通后拟径向流等阶段;剩余油主要分布在注水井间压力平衡区及缝网间低压区;次裂缝可改善段间剩余油分布,各级缝网产油贡献差别不大,压裂缝网越靠外端产液贡献越大但见水越早,产油贡献低于水平井中部缝网.
Abstract:
Volume-fracturing technology of horizontal well could greatly enlarge drainage area and enhance the ultimate recovery in tight oil reservoir. In order to visually reflect the fluid flowing characteristics of volume-fractured horizontal wells, streamline simulation method is used to study the distribution of streamline and saturation field, which is also used to analyze the productivity distribution and water-cut rising patterns of fracture-networks. The result shows that the optimal penetration ratio of secondary-fracture is 0.35; the whole flow area has gone through several stages including the linear flow near fracture-networks, the pseudo-radial flow near fracture-networks and the pseudo-radial flow after water breakthrough; the remaining oil distributes in the injection wells between fracture-networks and the area of pressure balance; the secondary-fracture can decrease the remaining oil between fracture-networks; There is little difference between oil production of different fracture-networks; the more outboard fracture-network contributes more liquid production but water breakthrough earlier, which leads to less oil contribution than that of the inside fracture-network. The result can provide some theoretical reference for the intensive study of volume-fractured horizontal wells.

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备注/Memo

备注/Memo:
Received:2013-05-01;Accepted:2013-07-10
Foundation:National Science and Technology Major Project of China(2011ZX05051)
Corresponding author:Professor Su Yuliang. E-mail: suyuliang@upc.edu.cn
Citation:Yuan Bin, Su Yuliang, Feng Zitai, et al. Productivity distribution and flow characteristics of volume-fractured horizontal wells[J]. Journal of Shenzhen University Science and Engineering, 2013, 30(5): 545-550.(in Chinese)
基金项目:国家科技重大专项资助项目(2011ZX05051)
作者简介:袁彬(1988- ),男(汉族),山东省临胊县人,中国石油大学(华东)硕士研究生. E-mail:ybpetro1990@163.com
引文:袁彬,苏玉亮,丰子泰,等. 体积压裂水平井缝网渗流特征与产能分布研究[J]. 深圳大学学报理工版,2013,30(5):545-550.
更新日期/Last Update: 2013-09-02