柔性接头研制与应用  

THE DEVELOPMENT OF FLEXIBLE JOINT AND ITS APPLICATION

作　　者：赵新瑞[1] 赵德云[1] 姜敬华[1] 

机构地区：[1]大庆石油管理局钻井研究所

出　　处：《钻采工艺》1998年第1期42-46,共5页Drilling & Production Technology

摘　　要：柔性接头是最新研制的一种钻井井下工具。文中介绍了柔性接头的结构、技术规范和性能特点，建立了以其组合的新型防斜钻具组合力学分析模型，分析了工具于井下的受力状态。在大庆油田易斜区快速防斜钻井现场试验表明，柔性接头的结构简单，钻压和扭矩传递机构设计合理，高压动密封性能良好。以其组合的新型防斜钻具组合，在大倾角硬地层深探井和调整井钻井区块使用，防斜效果明显，机械钻速高。柔性接头的研制成功为易斜区快速防斜钻井提供了一种新的钻具组合类型。该柔性接头已申报国家实用新型专利。The paper introduces structure,technical code and performance characteristics of flexible joint,establishes new mechanics model of inclining prevention BHA and analyses its force situation downhole. Rapid inclining prevention drilling test in Daqing oil field shows that flexible joint has simple structure,reasonable design of both bit weight and torque transmission mechanism,good dynamic sealing propery under high pressure. Its use in deep exploratory well and adjustment well with high angle hard formation shows that it has advantages of both inclining prevention and high penetration rate.It has been applied for patent in China.

关 键 词：油井 柔性接头 结构设计 接头 钻进工具 

分 类 号：TE921.202[石油与天然气工程—石油机械设备]