井下套管阀应用介绍  

Introduction for the Application of Downhole Deployment Valve

作　　者：李林祯 郭永崎 李世奇 

机构地区：[1]川庆钻探国际工程公司,四川成都610051

出　　处：《中国西部科技》2015年第2期32-33,共2页Science and Technology of West China

摘　　要：井下套管阀是在进行欠平衡钻井中一种新型的非压井起下钻技术。能够有效的节约钻井成本,减少作业时间。在国外欠平衡钻井过程中已经得到广泛使用,在国内现在应用较少。本文介绍了井下套管阀的优势及组成部分,可供国内生产厂家参考。Downhole Deployment Valve（DDV） is a new technique used in under balance drilling. It can reduce the cost and time of drilling. Although it has been widely used in foreign country, it is rarely used in China. In this paper, the advantage and component of DDV were introduced. It can be a good reference to the Chinese manufactures.

关 键 词：井下套管阀 欠平衡钻井 组成部分 套管 

分 类 号：TE922.04[石油与天然气工程—石油机械设备]