发明名称 |
Dorn til ventil til udtrækning med gas |
摘要 |
<p>The present invention relates to a mandrel for a gas lift valve which comprises an elongated body provided with means of connection at its ends. The body is provided with a side pocket ( 17 ) and a side receptacle ( 16 ) in the interior of which may be housed a gas lift valve ( 13 ) which injects gas into the interior of the body of the mandrel for the gas lift valve ( 15 ) by means of orifices ( 22 ) positioned in a nose ( 18 ). The mandrel for the gas lift valve ( 15 ) comprises additionally a lower body ( 23 ) provided on the lower part of the valve receptacle ( 16 ) of the mandrel of the side pocket ( 15 ) in that the lower body ( 23 ) is configured in a manner to seal the lower part of the valve receptacle ( 16 ) to form a chamber ( 24 ) and the lower body is provided with at least one injection orifice to inject gas into the interior of the body of the mandrel of the gas lift valve ( 15 ).</p> |
申请公布号 |
DK1618281(T3) |
申请公布日期 |
2008.09.29 |
申请号 |
DK20040727599T |
申请日期 |
2004.04.15 |
申请人 |
PETROLEO BRASILEIRO S.A. - PETROBRAS |
发明人 |
DE ALMEIDA, ALCINO RESENDE |
分类号 |
E21B43/12;E21B23/03 |
主分类号 |
E21B43/12 |
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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