海上稠油聚合物驱开发指标定量表征

doi:10.7623/syxb201304013

石油学报 ›› 2013, Vol. 34 ›› Issue (4): 727-732.DOI: 10.7623/syxb201304013

海上稠油聚合物驱开发指标定量表征

张贤松^1,2, 孙福街^1,3, 侯健⁴, 康晓东^1,2, 谢晓庆^1,2, 蒋珊珊^1,2

1. 海洋石油高效开发国家重点实验室北京 100027;
2. 中海油研究总院北京 100027;
3. 中海石油(中国)有限公司开发生产部北京 100010;
4. 中国石油大学石油工程学院山东青岛 266580

收稿日期:2013-01-10 修回日期:2013-05-10 出版日期:2013-07-25 发布日期:2013-07-04
通讯作者: 张贤松
作者简介:张贤松,男,1965年1月生,1986年毕业于华东石油学院采油工程专业,2006年获中国石油大学(北京)油气田开发专业博士学位,现为中海油研究总院开发专家,主要从事油气田开发与提高采收率技术方面的研究工作。Email:zxsong6563@126.com
基金资助:
国家重大科技专项 "海上稠油高效开发新技术"子课题(2011ZX05024-004)资助。

Quantitative characterization of production indices for polymer flooding of offshore heavy oils

ZHANG Xiansong^1,2, SUN Fujie^1,3, HOU Jian⁴, KANG Xiaodong^1,2, XIE Xiaoqing^1,2, JIANG Shanshan^1,2

1. State Key Laboratory of Offshore Oil Exploitation, Beijing 100027, China;
2. CNOOC Research Institute, Beijing 100027, China;
3. Development & Production Division, CNOOC (China) Ltd. Beijing 100010, China;
4. School of Petroleum Engineering, China University of Petroleum, Qingdao 266580, China

Received:2013-01-10 Revised:2013-05-10 Online:2013-07-25 Published:2013-07-04

摘要/Abstract

摘要：

考虑到渤海稠油油藏的复杂性,需要定量评价不同类型油藏聚合物驱的开发指标。笔者建立了适合稠油聚合物驱开发指标定量表征模型,具有3个有明确物理意义的特征参数,包括累积注聚量下极限采收率、模型导数曲线拐点处的累积注入量等参数。利用该模型定量表征了渤海油田不同类型油藏聚合物驱开发指标。与数值模拟相比,绝对误差基本控制在0.5% 以内,平均相对误差也能控制在4% 以内,满足定量评价聚合物驱开发指标计算需求。该模型易于确定特征参数,且具有较好的外推性,可用于工程问题中类似增长曲线的拟合和预测。

关键词: 海上稠油, 聚合物驱, 提高采收率, 开发指标, 数学模型, 定量表征

Abstract:

Due to the complexity of Bohai heavy-oil reservoirs it is necessary to quantitatively evaluate production indices for polymer flooding of different reservoirs. A quantitative characterization model was establised which can evaluate production indices for polymer flooding of heavy-oil reservoirs. It includes 3 parameters characteristic of specific physical meanings, such as the ultimate oil recovery of cumulative influx, the cumulative influx of polymer solution reflecting the breakpoint of derivative curves in the model, and the peak value of enhanced oil recovery corresponding to incremental oil-production curves. The model was applied to the quantitative characterization of production indices for polymer flooding of different reservoirs in the Bohai oilfield. Compared with the result of numerical simulation, the absolute error is under 0.5% with a mean relative error generally less than 4%, which satisfied requirements of quantitatively evaluating production indices for polymer flooding of heavy-oil reservoirs. This mathematical model is suitable to the determination of specific parameters and can be well extrapolated. The model can also be used in matching and predicting similar growth curves in other engineering projects.

Key words: offshore heavy oil, polymer flooding, enhanced oil recovery (EOR), production index, mathematical model, quantitative characterization

中图分类号:

TE357

张贤松, 孙福街, 侯健, 康晓东, 谢晓庆, 蒋珊珊. 海上稠油聚合物驱开发指标定量表征[J]. 石油学报, 2013, 34(4): 727-732.

ZHANG Xiansong, SUN Fujie, HOU Jian, KANG Xiaodong, XIE Xiaoqing, JIANG Shanshan. Quantitative characterization of production indices for polymer flooding of offshore heavy oils[J]. Editorial office of ACTA PETROLEI SINICA, 2013, 34(4): 727-732.

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海上稠油聚合物驱开发指标定量表征

Quantitative characterization of production indices for polymer flooding of offshore heavy oils

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