发明名称 |
Composite wellbore ball valve |
摘要 |
A composite wellbore ball valve has a spherical, fiber reinforced composite ball valve closure. The closure has an interior, central through-bore and an annular metallic sealing surface. A ball carrying assembly has an annular, metallic sealing seat surface adapted to contact and form a metal-to-metal seal with the metallic sealing surface of the ball valve closure when the ball valve closure is closed. |
申请公布号 |
AU2012389797(A1) |
申请公布日期 |
2015.03.05 |
申请号 |
AU20120389797 |
申请日期 |
2012.09.12 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
KALB, FRANK DAVID;WEBBER, ANDREW JOHN |
分类号 |
E21B34/08;E21B34/06 |
主分类号 |
E21B34/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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