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发明名称
油田井下器具连接万向节
摘要
本实用新型是一种油田井下器具连接万向节,属于油井管接箍、接头之类。由上接头、球腔体、压帽、压环、球面密封件、球头体和扭矩销钉组成。球头体上端的球头装在球腔体下部的球腔内,并有扭矩销钉限定一同旋转。球头上半部与球腔内表面之间有球面密封件和压环,压环以上是装在球腔体内的压帽,上端内装上接头。该万向节与井下防砂器或其它井下器具相连一同下井,能顺利通过套管变形和弯曲井段。结构简单,工作可靠,通用性好。
申请公布号
CN2383960Y
申请公布日期
2000.06.21
申请号
CN99221145.X
申请日期
1999.06.09
申请人
李江涛;刘恩胜;郑永生;韩永文
发明人
李江涛;刘恩胜;郑永生;韩永文
分类号
E21B17/043
主分类号
E21B17/043
代理机构
代理人
主权项
1、一种油田井下器具连接万向节,主要包括球腔体和球头体两大部分,其特征是由上接头、球腔体、压帽、压环、球面密封件、球头体和扭矩销钉组成,上半部是球腔体,下半部是球头体,球头体上端的球头装在球腔体下部的球腔内,球头与球腔的球面弧度相同,扭矩销钉从球腔壁下部径向孔插入球头槽将球头限定在球腔内,使球腔体与球头体能一同绕轴转动传递扭矩,球头上半部与球腔内表面之间有球面密封件和压环,压环以上是装在球腔体内中部的压帽,球腔体上端内装上接头。
地址
266101山东省青岛市浮山后小区2B31-1-201
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