随钻扩眼工具的研究与优化  

Reaming Tool Research and Optimization

作　　者：宋颐[1,2] 夏宏南[1,2] 徐超[1,2] 周昆 陈伟峰[1,2] 

机构地区：[1]中国石油天然气集团公司钻井工程重点实验室防漏堵漏技术研究室 [2]长江大学石油工程学院,湖北荆州434023

出　　处：《装备制造技术》2012年第8期282-284,共3页Equipment Manufacturing Technology

摘　　要：随钻扩眼技术在处理井下复杂情况、降低钻井综合成本、提高固井质量等方面具有显著的优势,随钻扩眼工具正逐渐成为一种重要的石油钻井配套工具。基于随钻扩眼技术优势的分析,本文介绍了双心扩眼钻头和偏心式、同心式随钻扩眼工具的结构原理、性能特点和应用情况,同时也对近年来国外新型井下扩眼工具的一些先进技术进行了分析。文章提出应加强现有工具的适应性和匹配性研究,发掘各类工具的优势。优化执行机构、扩眼总成和水力机构,重视底部钻具组合力学特性的分析是今后发展和完善随钻扩眼工具及技术的几个重要内容。The technology of borehole enlargement while drilling has significant advantage in dealing borehole problems,reduce the drilling cost and Improve the quality of cement,the under reamer is become more and more important as a matching tool in drilling.Analysis based on the superior technology,introduce the Structural principles,performance characteristics and application of bi-center bits,eccentric tools,and concentric tools.Also have analyzed the advanced technology abroad in recent years of new downhole reaming tools.The article proposed should strengthen the adaptability of the existing tools and matching.Optimize the executive body,reamer body,hydraulic assembly and attach importance to Analysising the mechanical behavior will be the essential factor in the future.

关 键 词：随钻扩眼 随钻扩眼工具 钻井新技术 优化设计 

分 类 号：TP360[自动化与计算机技术—计算机系统结构]