等井径膨胀套管技术发展现状  

Development Status of MonoHole Expandable Casing Technology

作　　者：唐明[1] 吴柳根[1] 宁学涛[1] 蔡鹏[1] 

机构地区：[1]胜利石油管理局钻井工艺研究院,山东东营257017

出　　处：《石油矿场机械》2009年第12期12-17,共6页Oil Field Equipment

基　　金：国家高技术研究发展计划(863计划)课题"膨胀管钻井技术"(2006AA06A105)

摘　　要：等井径技术是膨胀套管技术的发展方向,该技术可以在钻井过程中保持无内径损失钻进,实现全井采用同一尺寸的套管完井,从而消除井眼锥度,降低建井成本,拓展现有钻探区域。介绍了等井径技术的原理和技术优势,阐述了等井径膨胀套管系统的技术发展及应用情况。MonoHole expandable casing is the development direction of the expandable casing technology in the world,it allows multiple strings of the same size casings to be installed in a well without a decrease in internal diameter,as to retain the same hole size during the entire drilling process.It＇ll eliminate the wellbore tapering effect,reduce the costs of well construction and extend the drilling areas.The concept and benefits of MonoHole expandable casing system is introduced,the developments and applications of MonoHole expandable casing systems is expatiated as well.

关 键 词：等井径膨胀套管 技术优势 发展 

分 类 号：TE931.2[石油与天然气工程—石油机械设备]