[1]姜立富,康凯,李冰,等. 一种水平井射孔入流剖面优化方法[J].油气井测试,2021,30(02):1-6.[doi:10.19680/j.cnki.1004-4388.2021.02.001]
　JIANG Lifu,KANG Kai,LI Bing,et al.An optimization method of inflow profile in horizontal well perforation[J].Well Testing,2021,30(02):1-6.[doi:10.19680/j.cnki.1004-4388.2021.02.001]
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 一种水平井射孔入流剖面优化方法()
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《油气井测试》[ISSN:1006-6977/CN:12-1485/TE]

卷:
30卷
期数:
2021年02期
页码:
1-6
栏目:
出版日期:
2021-04-25

文章信息/Info

Title:
An optimization method of inflow profile in horizontal well perforation
文章编号:
1004-4388(2021)02-0001-06
作者:
 姜立富; 康凯; 李冰; 刘思远; 范佳乐
 中海石油（中国）有限公司天津分公司渤海石油研究院 天津 300459
通讯作者：Email：jianglf2@cnooc.com.cn
Author(s):
JIANG Lifu;  KANG Kai;  LI Bing;  LIU Siyuan;  FAN Jiale
Bohai Oilfield Research Institute, Tianjin Branch of CNOOC (China) Co., Ltd, Tianjin 300459, China
关键词:
水平井; 变密度射孔; 产能模型; 敏感性分析; 入流剖面; 产液指数; 完井参数
Keywords:
horizontal well;  variable density perforation;  productivity model;  sensitivity analysis;  inflow profile;  fluid production index;  completion parameters
分类号:
TE353
DOI:
10.19680/j.cnki.1004-4388.2021.02.001
文献标志码:
A
摘要:
非均质油藏水平井沿水平段入流剖面不均匀，容易导致注入水局部突进。考虑储层物性、污染状况和完井参数等因素影响，建立水平井射孔流体流动过程中油藏渗流、径向渗流、近井地带汇流和井筒管流模型，以相邻区域边界处流量和压力一致为原则进行耦合，完成水平井产能敏感性和入流剖面计算分析。实例计算结果表明，由于不同位置处渗透率和污染程度的差异，等密度射孔时水平井各段入流量不同，高渗条带附近入流量明显偏高。采用界限约束下模型试算得到最佳射孔密度分布，可使水平井沿水平段入流量波动幅度减小，实现保障产能前提下的入流剖面优化，达到延缓见水时间、提高生产效果的目的。该研究成果对油田实际水平井产能预测和完井参数设计具有指导作用。
Abstract:
 The inflow profile of horizontal wells in heterogeneous reservoirs is not uniform along the horizontal section, which easily leads to the local inrush of injected water. Based on considering the influence of reservoir physical properties, pollution status and completion parameters, the models of reservoir seepage, radial seepage, near wellbore confluence and wellbore pipe flow in the process of perforating fluid flow in horizontal wells are established. In addition, the productivity sensitivity and inflow profile of horizontal wells are calculated and analyzed based on the principle of consistent flow and pressure at the boundary of adjacent areas. The calculation results show that due to the difference of permeability and pollution degree at different positions, the inflow of each section of horizontal well is different when perforating with equal density, and the inflow near the high permeability zone is obviously higher. The optimal perforation density distribution can be obtained by using the model test calculation under the boundary constraint, which can reduce the fluctuation range of inflow along the horizontal section of horizontal wells, realize the optimization of inflow profile under the premise of ensuring productivity, and achieve the purpose of delaying water breakthrough time and improving production effect. The research results have a guiding role for productivity prediction and completion parameter design of actual horizontal wells in oilfield

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备注/Memo

备注/Memo:

2020-12-15收稿，2021-03-10修回，2021-03-15接受，2021-04-20 网络版发表 姜立富，男，1987年出生，硕士，油藏工程师，2012年毕业于中国石油大学（华东）油气田开发专业，现主要从事海上油田开发相关研究工作。电话：022-66501038；Email：jianglf2@cnooc.com.cn
通信地址：天津市滨海新区海洋高新技术产业园区海川路2121号渤海石油管理局B座，邮政编码：300459。
更新日期/Last Update: 2021-05-07