发明名称 |
SLIDING SLEEVE VALVE WITH FEATURE TO BLOCK FLOW THROUGH THE TOOL |
摘要 |
Sliding sleeve valves that include a housing with an axial flowbore defined along its length and at least one lateral fluid port disposed through the housing. One or more sliding sleeve members are disposed within the flowbore and carry first and second ball seats. Landing a first ball onto the first ball seat will move the valve from a first position wherein lateral flow is blocked to a second position wherein lateral flow is permitted. Landing a second ball onto the second ball seat will move the valve to a third position wherein lateral flow is again blocked and axial flow is permitted. |
申请公布号 |
WO2014055191(A1) |
申请公布日期 |
2014.04.10 |
申请号 |
WO2013US57942 |
申请日期 |
2013.09.04 |
申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
ROBINSON-BROWN, ROBIN D.;HERN, GREGORY LEE;PALMER, LARRY |
分类号 |
E21B34/06;E21B34/08;E21B34/14 |
主分类号 |
E21B34/06 |
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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