岩性油气藏 ›› 2018, Vol. 30 ›› Issue (5): 124–130.doi: 10.12108/yxyqc.20180515

• 油气田开发 • 上一篇    下一篇

特高含水后期油藏细分注水界限研究——以胜利油田整装油藏为例

赖书敏   

  1. 中国石化胜利油田分公司 勘探开发研究院, 山东 东营 257015
  • 收稿日期:2018-01-20 修回日期:2018-03-15 出版日期:2018-09-14 发布日期:2018-09-14
  • 第一作者:赖书敏(1986-),男,硕士,工程师,主要从事油气田开发及油藏数值模拟等研究工作。地址:(257015)山东省东营市东营区聊城路2号胜利油田勘探开发研究院。Email:shuminlai@163.com。
  • 基金资助:
    国家重大科技专项课题“特高含水后期整装油田延长经济寿命期开发技术”（编号：2016ZX05011-001）资助

Technology policy limitation of subdivision water injection in ultra-high water cut stage: a case from Shengli uncompartmentalized reservoirs

LAI Shumin   

  1. Research Institute of Exploration and Development, Sinopec Shengli Oilfield Company, Dongying 257015, Shandong, China
  • Received:2018-01-20 Revised:2018-03-15 Online:2018-09-14 Published:2018-09-14

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摘要： 目前细分注水界限以油藏地质静态参数为主，已不能满足特高含水后期油藏细分注水的要求。综合考虑油藏动静态因素对细分注水的影响，建立特高含水后期细分注水级段数优化模型。研究表明，3级4段为最优层段分级策略，且段内剩余油饱和度级差应控制在1.2以内。将饱和度级差划分为1.00～1.05，1.05～1.10，1.10～1.15，1.15～1.20共4个范围，建立3种不同的模型，分别优化了段内渗透率级差、小层个数和砂岩厚度界限，并对界限标准进行了公式回归。结果表明，层间剩余油饱和度级差越大，细分注水界限标准越苛刻。该研究结果为胜利油田整装油藏特高含水后期细分注水提供了理论依据。

关键词: 细分注水, 技术界限, 剩余油饱和度差异, 特高含水后期, 胜利油田

Abstract: At present,the geological factors are still only considered in subdivision water injection technology policy limitation study,which can not reflect dynamic difference of reservoir. Considering both static and dynamic parameters,subdivision water injection optimal hierarchical models were established. The results show that the three-fourth class is better,and saturation ratio should be smaller than 1.2. Then the optimal permeability,numbers of layer and sandstone thickness model with different saturation ratios in 1.00-1.05,1.05-1.10,1.10-1.15 and 1.15-1.20 were established. Based on the results,the optimal permeability,numbers of layer and sandstone thickness curve plates were drawn,and regression equations were formed. The results show that the larger the saturation ratio is, the stricter policy limitation of subdivision water injection will be. The application of this policy limitation of subdivision water injection makes a huge impact in Shengli oilfield. So the research can provide an important theoretical basis of water injection development in middle-high permeability late extra-high water cut stage.

Key words: subdivision water injection, technology policy limitation, oil saturation difference, later stage of ultra-high water cut, Shengli Oilfield

中图分类号: 

  • TE357
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