[1]张继成,范佳乐,匡力,等.一种预测特高含水期开发指标的联解法[J].深圳大学学报理工版,2018,35(6):558-565.[doi:10.3724/SP.J.1249.2018.06574]
 ZHANG Jicheng,FAN Jiale,KUANG Li,et al.An integrated method for predicting the development index of extra-high water cut period[J].Journal of Shenzhen University Science and Engineering,2018,35(6):558-565.[doi:10.3724/SP.J.1249.2018.06574]
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一种预测特高含水期开发指标的联解法()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第35卷
期数:
2018年第6期
页码:
558-565
栏目:
【环境与能源】
出版日期:
2018-11-16

文章信息/Info

Title:
An integrated method for predicting the development index of extra-high water cut period
文章编号:
201806002
作者:
张继成范佳乐匡力张军吕冰玉
东北石油大学石油工程学院,黑龙江大庆 163318
Author(s):
ZHANG Jicheng FAN Jiale KUANG Li ZHANG Jun and LV Bingyu
School of Petroleum Engineering, Northeast Petroleum University, Daqing 163318, Heilongjiang Province, P.R.China
关键词:
油田开发特高含水期开发指标折线法Arps递减规律水驱特征曲线
Keywords:
development of oil field extra-high water cut period development index polygonal line method Arps decreasing law water flooding characteristic curve
分类号:
TE 341
DOI:
10.3724/SP.J.1249.2018.06574
文献标志码:
A
摘要:
为准确预测特高含水期的开发指标,提出一种采用折线法和Arps递减规律结合的模型.利用折线法推导出甲型水驱特征方程的第2直线段方程,通过实际井史数据验证了折线法的正确性,得出10口井的水驱特征曲线上翘点含水率(体积分数)为90.58%~96.49%,平均值为93.49%,而油水相渗比值的对数与含水饱和度的关系曲线转折点的含水率为93.37%,两者相差无几.结合Arps递减规律得到特高含水期开发指标的计算模型.该模型能够预测不同开发时间对应的含水率及采出程度指标,模型的参数容易被求解,模型的适用范围能够直线外推,实用性较强.运用该计算模型对大庆油田某口油井开发指标进行预测,所得含水率月平均误差为1.306%,采出程度月平均误差为4.950%,预测总体精度较高.
Abstract:
In order to accurately predict the reservoir development index during the extra-high water cut phase, we propose a model using the combination of polygonal line method and the Arps decline law. Firstly, we derive the equation for the second straight line segment of the type-A characteristic equation of water flooding by using the polygonal line method, and then verify the method by the actual well history data. For the oilfield 10 wells in study, we obtain that the water cut at the upturned point of the water flooding characteristic curve is between 90.58% and 96.49% and the average of about 93.49%, very close to the calculated water cut, 93.37%, at the turning point of the relationship curve between the logarithm of oil-water relative permeability ratio and water saturation. By combining with the Arps decline law, we obtain a calculation model of the reservoir development index during the extra-high water cut period. The model can predict the recovery factor and water cut corresponding to the different development time. Moreover, the parameters in need for the model are easy to be obtained, and the model can be straight extrapolated with strong practicality. We also apply this model to predict the reservoir development index of a certain well in Daqing Oilfield. For this field example, the monthly-average error of water cut calculation is about 1.306%, and the monthly-average calculated error of recovery factor is only 4.950%, and thus the accuracy of new model for prediction is powerful.

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备注/Memo

备注/Memo:
Received:2018-04-02;Accepted:2018-09-26
Foundation:National Science and Technology Major Special Program for the 13th Five-Year Plan of China(2016ZX05025-001)
Corresponding author:Professor ZHANG Jicheng. E-mail: zhangjc777@163.com
Citation:ZHANG Jicheng, FAN Jiale, KUANG Li, et al. An integrated method for predicting the development index of extra-high water cut period[J]. Journal of Shenzhen University Science and Engineering, 2018, 35(6): 558-565.(in Chinese)
基金项目:国家“十三五”科技重大专项资助项目(2016ZX05025-001)
作者简介:张继成(1972—),男,东北石油大学教授、博士生导师. 研究方向:石油与天然气工程. E-mail:zhangjc777@163.com
引文:张继成,范佳乐,匡力,一种预测特高含水期开发指标的联解法[J]. 深圳大学学报理工版,2018,35(6):558-565.
更新日期/Last Update: 2018-11-30