发明名称 |
Gas lift valve |
摘要 |
A gas lift valve assembly includes a housing that includes a first passageway that is substantially concentric with the central passageway of a string to communicate well fluid and a second passageway that is eccentrically disposed with respect to the central passageway to communicate a second fluid to lift the well fluid. The gas lift valve assembly includes a valve that is disposed in the second passageway and includes a ball valve to regulate communication of the second fluid.
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申请公布号 |
US8381821(B2) |
申请公布日期 |
2013.02.26 |
申请号 |
US20090628689 |
申请日期 |
2009.12.01 |
申请人 |
SCHLUMBERGER TECHNOLOGY CORPORATION;HAHN JACOB;KAMPHAUS JASON;SCARSDALE KEVIN T. |
发明人 |
HAHN JACOB;KAMPHAUS JASON;SCARSDALE KEVIN T. |
分类号 |
E21B43/00;E21B34/00;E21B34/06 |
主分类号 |
E21B43/00 |
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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