气藏产水来源综合判别方法研究

李锦，王新海，朱黎鹞，刘锦霞

doi:10.11764/j.issn.1672-1926.2012.06.1185

天然气地球科学 >

2012 , Vol. 23 >Issue 6: 1185 - 1190

DOI: https://doi.org/10.11764/j.issn.1672-1926.2012.06.1185

天然气开发

气藏产水来源综合判别方法研究

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1.中国石油大学(北京)石油工程学院，北京 102249； 2.中国石油勘探开发研究院，北京 100083； 3.长城钻探工程公司测井技术研究院，北京 100101

李锦(1986-)，女，山东聊城人，硕士研究生，主要从事气田开发研究.E-mail:lijin911@yeah.net.

收稿日期: 2012-05-31

修回日期: 2012-07-11

网络出版日期: 2012-12-10

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A Study of Comprehensive Discriminant Methodsof the Source of Water-yielding in Gas Reservoirs

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1.Petroleum Engineering College,China University of Petroleum,Beijing 102249,China；
2.Research Institute of Petroleum Exploration and Development,PetroChina,Beijing 100083,China；
3.Logging Technology Research Center of Great Wall Drilling Company,Beijing 100101,China

Received date: 2012-05-31

Revised date: 2012-07-11

Online published: 2012-12-10

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摘要

天然气藏开发过程中的气井产水现象是广泛存在的，如何及时、准确地识别气井产出水的来源,对于认识气藏气水活动规律、确定合理的开发方式和应对措施以及提高开发效果具有重要的现实意义。通过对气井产水动态的研究，将产出水划分为气层内部水、气层外部水以及工业用水，并归纳总结出不同产水来源下的生产特征。详尽地阐述了中高渗与低渗气藏产出水来源以及出水机理，同时结合前人的研究成果，形成了6种气井产水来源的判别方法，其中，首次提出了产出水地层条件下体积分数的判别方法，最后给出了这些方法的应用实例。

关键词： 气藏; 产水; 来源判别; 方法研究

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李锦，王新海，朱黎鹞，刘锦霞 . 气藏产水来源综合判别方法研究[J]. 天然气地球科学, 2012 , 23(6) : 1185 -1190 . DOI: 10.11764/j.issn.1672-1926.2012.06.1185

Abstract

Water-yielding is a ubiquitous phenomenon during the development of gas reservoirs.A timely and accurate discrimination of water-yielding source plays an important and actual role in understanding the laws of the gas and water motion in the gas reservoir,determining rational development modes and improving the development efficiency.Based on the research of the characteristics of production performances,the water-yielding of gas wells can be classified into internal water in the gas reservoir,external water in the gas reservoir and industrial water.Production characteristics of different water-yielding source are summarized.This paper introduces the source and mechanism of water-yielding in the medium-high and low permeability gas reservoirs in details.Combined with previous research results,six discriminant methods for water-yielding source in gas reservoirs are proposed,in which the volume fraction of the water yielding under the formation conditions was proposed at the first time.At the end,the application examples of these methods are given.

Key words： Gas reservoir; Water-yielding; Source distinguishing; Method study

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