全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

特低渗油藏压裂井产能预测方法研究
The Research on the Productivity Prediction for Fracturing Wells in Ultra-low Permeability Reservoirs

DOI: 10.12677/JOGT.2019.412015, PP. 21-25

Keywords: 特低渗透油藏,垂直裂缝井,产能预测,椭圆型流动物理模型,渗透率变异系数,黏度变异系数
Ultra-low Permeability Reservoir
, Vertical Fracturing Well, Productivity Prediction, Elliptical Flow Physical Model, Permeability Variation Coefficient, Viscosity Variation Coefficient

Full-Text   Cite this paper   Add to My Lib

Abstract:

针对特低渗透油藏垂直裂缝井的产能预测问题,基于椭圆型流动物理模型,考虑启动压力,引入渗透率变异系数和黏度变异系数,导出油井产能预测理论公式。用S油田23口油井的实际生产测试资料进行验算,结果表明,理论公式的计算值与实际值相对误差达?78.7%。基于实测数据将渗透率变异系数修正为地层变异系数,新的油井产能预测公式预测相对误差降至?0.9%。
In consideration to the problems of oil productivity prediction for vertical fracturing wells in ul-tra-low permeability reservoirs, based on elliptical flow physical model, a theoretical equation was derived by introducing permeability variation coefficient and viscosity variation coefficient in consideration of starting pressure gradient. The results of computation based on oilfield data from 23 wells in S Oilfield indicate that the mean relative error between predicted value and measured value is about ?78.7%. Based on the actual measuring data, the permeability variation coefficient is modified into formation variation coefficient. The calculation results show that the mean relative error between predicted value and measured value is reduced to ?0.9%.

References

[1]  杨满平. 低渗透变形介质油藏合理生产压差研究[J]. 油气地质与采收率, 2004, 11(5): 41-43.
[2]  王玉英, 王晓冬, 王一飞, 等. 变形介质储层油井合理压差及产能分析[J]. 大庆石油学院学报, 2005, 29(4): 51-54.
[3]  宋付权. 变形介质低渗透油藏的产能分析[J]. 特种油气藏, 2002, 9(4): 33-35.
[4]  柴汝宽, 刘月田, 王俊强, 等. 基于两相启动压力梯度和应力敏感的油藏油井产能模型研究[J]. 西安石油大学学报(自然科学版), 2018, 33(3): 44-50.
[5]  尹洪军, 刘宇, 付春权. 低渗透油藏压裂井产能分析[J]. 新疆石油地质, 2005, 26(3): 285-287.
[6]  赵志成. 基于椭圆流模型的变形介质油藏产能研究[J]. 复杂油气藏, 2009, 2(4): 37-39.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133