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    • 10. 发明申请
    • MANDREL FOR A GAS LIFT VALVE
    • 气门阀门
    • WO2004092537A1
    • 2004-10-28
    • PCT/GB2004/001633
    • 2004-04-15
    • PETROLEO BRASILEIRO S.A. - PETROBRASBENSON, John, EverettDE ALMEIDA, Alcino, Resende
    • DE ALMEIDA, Alcino, Resende
    • E21B43/12
    • E21B23/03E21B43/123Y10T137/2934
    • 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).
    • 本发明涉及一种用于气提阀的心轴,其包括在其端部设置有连接装置的细长主体。 主体设置有侧袋(17)和侧容器(16),其内部可容纳有提升阀(13),其将气体注入用于气提阀的心轴的主体的内部 (15)通过定位在鼻部(18)中的孔(22)。 用于气提阀(15)的心轴还包括设置在侧袋(15)的心轴的阀座(16)的下部上的下体(23),其中下体(23)被配置 以密封阀座(16)的下部以形成室(24)的方式,并且下体设置有至少一个喷射孔,以将气体注入到气举的心轴的本体的内部 阀门(15)。