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发明名称
斜井转向装置
摘要
本实用新型提供一种用于油气田斜井井下作业的转向装置,在油气田斜井生产或井下作业施工中由于井径的限制,致使较大直径的井下工具的斜井造斜段无法通过,本实用新型就是为解决这一问题而设计的,主要特征是由上接头、球节、压帽等部件组成,整体结构为一球面接触,可任意方向偏转,其结构简单,加工方便,解决了斜井作业中井下工具无法应用的问题。
申请公布号
CN2091348U
申请公布日期
1991.12.25
申请号
CN91207924.X
申请日期
1991.05.10
申请人
吉林省油田管理局钻采工艺研究院
发明人
张国臣;佟学军;阎立宽
分类号
E21B17/20
主分类号
E21B17/20
代理机构
代理人
主权项
1、一种用于油田斜井井下作业的转向装置,由上接头、压帽、球节组成,其特征在于:上接头、压帽、球节,为球形接触面。
地址
131200吉林省扶余市
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