油套管螺纹接头的发展  

Development of tubing and casing thread connection

作　　者：罗蒙[1] 王琍[1] 

机构地区：[1]宝山钢铁股份有限公司,上海201900

出　　处：《世界钢铁》2011年第2期55-60,共6页World Iron & Steel

摘　　要：接头是油套管产品的重要组成部分之一,也是石油、天然气开采中油套管柱中最薄弱的环节。接头的实体性能、使用性能和经济性是油套管主要指标。介绍了国内外油套管接头的发展:从最初API圆螺纹、长圆螺纹、偏梯形螺纹接头到各个厂家推出的具有各项突出性能的特殊螺纹接头,再回归到具有实用性的经济型油套管接头。介绍了具备密封完整性、结构完整性和重复上卸扣完整性的经济型气密封油套管接头的开发与进展。The connection is the most important component in tubing and casing,and is also the weak knot of tubing and casing used in exploitation of petroleum and natural gas.The physical performance,service performance and economy of connection are the most important index which is coupled with the development of tubing and casing.This paper introduces the evolution of tubing and casing connection in China and overseas,tracing back from the original API STC,LTC and BC connection to the premium thread connections with the remarkable properties developed by the different manufacturers,and returning again to the practical and economical connection.The research and development of economical connection which has the integrities in sealing,structure and galling are introduced as well.

关 键 词：油套管 螺纹 接头 经济型 

分 类 号：TE921.2[石油与天然气工程—石油机械设备]