发明名称 |
Tubular valve system comprising a valve seat which seats a displaceable ball |
摘要 |
A pluggable seat for a ball valve including a first portion, positionable within a tubular, that is receptive to a runnable member seatable thereagainst, a second portion positioned downstream of the first portion, having a radial dimension smaller than a smallest radial dimension of the first portion, and a profile disposed at the second portion configured to increase resistance to extrusion of a runnable member past the pluggable seat in comparison to the same pluggable seat without the profile.
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申请公布号 |
NZ598392(A) |
申请公布日期 |
2013.01.25 |
申请号 |
NZ20100598392 |
申请日期 |
2010.09.03 |
申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
KELLNER, JUSTIN;HARRIS, TRAVIS;COE, JASON;WALKOVIAK, DWAYNE;SANCHEZ, JAMES, SCOTT;RUDDOCK, DAVID, B |
分类号 |
F16K27/02;E21B23/02;E21B33/12;E21B33/124;E21B34/14;F16K1/14;F16K1/42;F16K15/04 |
主分类号 |
F16K27/02 |
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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