| 发明名称 |
Adjustable flow-rate gas lift valve |
| 摘要 |
<p>Computer control and sensory information are combined with gas lift valve having a plurality of individual openings which are openable or closeable individually to provide varying flow rates of the lift gas. Each of the openings is controlled and is sensitive to downhole sensors.</p> |
| 申请公布号 |
GB2322885(B) |
申请公布日期 |
2001.12.05 |
| 申请号 |
GB19980000639 |
申请日期 |
1998.01.14 |
| 申请人 |
* BAKER HUGHES INCORPORATED |
发明人 |
MICHAEL A * CARMODY;ROBERT JOE * COON;JAMES H * KRITZLER;BRIAN ANDREW * ROTH;TERRY R * BUSSEAR;BRUCE * WEIGHTMAN |
| 分类号 |
E21B34/06;E21B34/10;E21B41/00;E21B43/12;(IPC1-7):E21B43/12 |
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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