| 低张力体系改善低渗透油藏水驱渗流特征实验 |
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| 引用本文： | 赖南君,叶仲斌,陈洪,罗平亚.低张力体系改善低渗透油藏水驱渗流特征实验[J].石油与天然气地质,2007,28(4):520-522. |
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| 作者姓名： | 赖南君 叶仲斌 陈洪 罗平亚 |
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| 作者单位： | 1. 西南石油大学,研究生院,四川,成都,610500;西南石油大学,油气藏地质及开发工程国家重点实验室,四川,成都,610500
2. 西南石油大学,油气藏地质及开发工程国家重点实验室,四川,成都,610500 |
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| 基金项目： | 国家重点基础研究发展计划(973计划) |
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| 摘 要： | 低渗透油藏注水井吸水能力低,注水压力逐渐升高,注水开发效果差。以国内低渗透注水开发油田(T油田)为例,研制了改善低渗透油藏注水开发效果的低张力体系。室内实验结果表明,低张力体系能够有效地降低残余油饱和度,增加油水两相共渗区间,改善低渗透油藏水驱渗流特征,从而改善低渗透油藏的注水开发效果。
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| 关 键 词： | 低张力体系 注入压力 相对渗透率 渗流特征 低渗透油藏 |
| 文章编号： | 0253-9985（2007）04-0520-03 |
| 修稿时间： | 2007-06-08 |
Experiment of low-tension system for improving percolation behaviors in waterflooding low-permeability reservoirs |
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| Lai Nanjun,Ye Zhongbin,Chen Hong,Luo Pingya.Experiment of low-tension system for improving percolation behaviors in waterflooding low-permeability reservoirs[J].Oil & Gas Geology,2007,28(4):520-522. |
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| Authors: | Lai Nanjun Ye Zhongbin Chen Hong Luo Pingya |
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| Affiliation: | 1. Graduate School of Southwest Petroleum University, Chengdu ,Sichuan 610500; 2. State Key Lab of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Cheng du , Sichuan 610500 |
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| Abstract: | Waterflooding performs poorly in low-permeability reservoirs due to their low absorbing capacity and gradually increasing injection pressure. This paper takes T oilfield, a low-permeability oilfield under waterflood development program,as an example to illustrate the development of a Low-Tension System for improving water- flooding effectiveness in low-permeability reservoirs, Lab experimental result shows that the system can effectively reduce residual oil saturation, increase oiL/water two-phase common seepage intervals, improve percolation behaviors,and thus enhance waterflooding efficiency in low-permeability reservoirs. |
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| Keywords: | low-tension system injection pressure relative permeability percolation behavior low-permeability reservoir |
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