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发明名称
对开式套管头
摘要
本实用新型公开了一种用于油气井的对开式套管头,适用于表层套管与技术套管或油层套管的密封和固定。它是由圆形挂座体,环形密封圈所组成。需要使用时,将其组装为一体,坐封于表层套管与油层套管之间,密封可靠,使用方便,造价低廉,宜于配量制造。
申请公布号
CN2060809U
申请公布日期
1990.08.22
申请号
CN90201116.2
申请日期
1990.01.22
申请人
张清
发明人
张清
分类号
E21B33/04
主分类号
E21B33/04
代理机构
代理人
主权项
1、一种用于油井表层套管与技术套管或油层套管环形空间密封和固定的对开式套管头,其特征是园形挂座体(1)沿法向方向,设计加工有导流孔(3);沿径向方向,加工有与导流孔(3)连通的承压孔(4),承压孔(4)两端加工有密封槽(5),并安装有环形密封圈(2)。
地址
湖北省潜江市广华江汉石油管理局钻井处安全科
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