岩性油气藏 ›› 2020, Vol. 32 ›› Issue (1): 144–151.doi: 10.12108/yxyqc.20200116

• 油气田开发 • 上一篇    下一篇

X油田特低渗透油藏井网加密效果预测方法

张意超1, 陈民锋1,2, 屈丹1, 毛梅芬1, 杨子由1   

  1. 1. 中国石油大学(北京)石油工程学院, 北京 102249;
    2. 中国石油大学(北京)油气资源与探测国家重点实验室, 北京 102249
  • 收稿日期:2019-05-20 修回日期:2019-08-15 出版日期:2020-01-21 发布日期:2019-11-22
  • 第一作者:张意超(1996-),男,中国石油大学(北京)在读硕士研究生,研究方向为油田开发系统理论方法。地址:(102249)北京市昌平区府学路18号中国石油大学。Email:18810061301@163.com
  • 通信作者: 陈民锋(1971-),男,博士,副教授,主要从事油田开发和提高采收率方面的研究与教学工作。Email:cmfllp96@126.com。
  • 基金资助:
    中海石油（中国）有限公司综合科研项目“渤海双高油田挖潜关键技术研究”（编号：YXKY-2018-TJ-04）和国家科技重大专项课题“油气资产价值评估及投资优化组合技术”子课题“油气资产价值评估体系研究”（编号：2016ZX05033005-007）联合资助

Prediction method of well pattern infilling effect for ultra-low permeability reservoir in X oilfield

ZHANG Yichao1, CHEN Minfeng1,2, QU Dan1, MAO Meifen1, YANG Ziyou1   

  1. 1. College of Petroleum Engineering, China University of Petroleum(Beijing), Beijing 102249, China;
    2. State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum(Beijing), Beijing 102249, China
  • Received:2019-05-20 Revised:2019-08-15 Online:2020-01-21 Published:2019-11-22

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摘要： 基于实际油藏井网加密调整后的动态开展效果预测研究，可为油田开发规划提供调整依据。通过对X油田特低渗透油藏井网加密调整前后开发动态变化分析，确定了加密增产效果变化规律及其主要影响因素；基于建立的反映实际油藏特点的典型数值模型，应用响应面设计方法和逐步回归方法，综合研究了不同因素变化对井网加密后增产效果的影响，并得到了反映特低渗透油藏特点的、考虑多因素影响的井网加密调整增产效果预测模型。预测模型在X油田特低渗透油藏中的实际应用表明，预测精度较高，并具有很强的针对性和实用性。本文建立的以“增产倍数”来表征油藏加密调整后的增产效果的方法，可为特低渗透油藏加密调整效果预测提供参考，并为此类油藏的开发规划提供可靠依据。

关键词: 特低渗透油藏, 井网加密, 反九点法, 增产效果, 响应面设计, 预测模型

Abstract: The dynamic development effect prediction research based on actual reservoir well pattern infilling adjustment can provide adjustment basis for oilfield development planning. Based on the dynamic analysis of the development before and after well pattern infilling adjustment for ultra-low permeability reservoir in X-oilfield, the change law of infilling yield-increasing effect and its main influencing factors were determined. Based on the typical numerical model established to reflect the characteristics of actual reservoir,the response surface design method and stepwise regression method were applied to comprehensively study the impact of different factors on the yield-increasing effect after well patter infilling,and the prediction model of yield-increasing effect of well pattern infilling adjustment considering multi-factors and reflecting the characteristics of ultra-low permeability reservoirs was obtained. The practical application of the prediction model for the ultra-low permeability reservoir in X oilfield shows that the prediction accuracy is high,and it has strong pertinence and practicability. The method established to characterize the yield-increasing effect of infilling adjustment can provide reference for the prediction of infilling adjustment effect of ultra-low permeability reservoirs,and provide a reliable basis for the development planning of such reservoirs.

Key words: ultra-low permeability reservoir, well pattern infilling, inverted nine-spot method, yield-increasing effect, response surface design, prediction model

中图分类号: 

  • TE33+1.1
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