丢手式油层保护管柱的研制与应用  

Development and Application of Releasing Type of Casing-string for Formation Protection

作　　者：庹涛[1] 马耀辉[1] 李烨[1] 刘永强[1] 杨旭彬[1] 

机构地区：[1]中石化河南油田分公司第二采油厂,河南唐河473400

出　　处：《石油天然气学报》2014年第11期228-230,246,共4页Journal of Oil and Gas Technology

摘　　要：针对传统的井下防污染装置在生产中会随采油管柱产生振动,导致井下工具易失效、有效使用周期短的问题,开展了丢手式油层保护管柱的研究设计,通过丢手桥塞对生产层段进行封堵并实现与生产管柱的分离。室内试验和现场应用表明,该管柱可以解决常规无伤害洗井管柱存在的封隔器易失效、使用周期短、费用高的问题,提升了油田的经济效益。In consideration of the problems of traditional down hole antipollution device vibrating with the production casing-strings,resulting in easy failure and short usage life of downhole tools,a releasing type of casing-string was researched and designed for formation protection,in which a releasing bridge plug was used for sealing formation in the production layer and separating the production casingstring.Laboratory test and field application show that releasing casingstring can resolve the problems of packer failure,short usage life and high cost of conventional non-damage washing casingstrings and improve the economic benefits of the oilfield.

关 键 词：油层保护 封隔器 丢手式管柱 

分 类 号：TE931.2[石油与天然气工程—石油机械设备]