水平井找水及出水原因探讨  

Exploration of Water Finding and Production Causes in Horizontal Wells

作　　者：郭阳 牛朋 李东 GUO Yang;NIU Peng;LI Dong(CNOOC Oilfield Services,Tanggu Operations Company,Tianjin 300459,China)

机构地区：[1]中海油服油田技术事业部塘沽作业公司,天津300459

出　　处：《化工管理》2025年第8期162-164,共3页Chemical Management

摘　　要：随着全球能源需求的增长,水平井技术因其优越的开发效率成为油气田开发的重要方式。文章探讨了渤海B油田中深层低孔渗储层的流体产出特征及找水问题,尽管A井为新钻完井,实际产出却显示出高含水率,与邻井的良好生产情况形成鲜明对比。通过分析可能的水窜通道,制定了测井方案,采用爬行器输送氧活化仪器至水平段趾端进行测试。结果表明,自2830 m开始,井筒内逐渐有水产出,至2670 m处,累计产出水量与井口计量基本一致,表明水主要来源于储层本身。与前期邻井的电阻率和生产情况对比,发现A井的电阻率存在偏高现象,且12油组的实际展布情况需进一步验证。文章强调了常规测井技术在解决复杂问题中的重要性,以及多种技术综合分析在油气开发中的必要性。With the increase of global energy demand,horizontal well technology has become an important way to develop oil and gas fields because ofits superior development efficiency.This paper discusses the fluid production characteristics and water search problems of middle and deep low permeability reservoir in B oilfield,Bohai Sea.Although well A is newly drilled and completed,the actual production shows high water cut,which is in sharp contrast to the good production of adjacent wells.By analyzing the possible channel of water channeling,a logging scheme was developed,and the oxygen activation instrument was transported to the toe of the horizontal section by a crawler for testing.The results show that water gradually comes out of the wellbore from 2830 m to 2670 m,and the accumulated water output is basically consistent with the wellhead measurement,indicating that the water mainly comes from the reservoir itself.Compared with the resistivity and production of previous adjacent wells,it is found that the resistivity of well A is relatively high,and the actual distribution of oil group 12 needs further verification.The importance of conventional logging technology in solving complex problems and the necessity of comprehensive analysis of various technologies in oil and gas development are emphasized.

关 键 词：出水 找水 水平井 氧活化测井 水窜 

分 类 号：TE358[石油与天然气工程—油气田开发工程]