发明名称 |
Multiple stage tool for use with plunger lift |
摘要 |
A multiple stage tool for use with plunger lift is disclosed. The disclosed device can be removably positioned at a desired position in a well's tubing, thus providing an upper limit for the travel distance of a first plunger. Subsequent well tubing partitions can be established with the introduction of subsequent plungers followed by the disclosed device.
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申请公布号 |
US7878251(B2) |
申请公布日期 |
2011.02.01 |
申请号 |
US20080051684 |
申请日期 |
2008.03.19 |
申请人 |
PRODUCTION CONTROL SERVICES, INC. |
发明人 |
GIACOMINO JEFFREY L.;ROBERTS PAUL T. |
分类号 |
E21B43/00 |
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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