发明名称 Gas operated pump for hydrocarbon wells
摘要 The present invention generally relates to an apparatus and method for improving production from a wellbore. In one aspect, a downhole pump for use in a wellbore is provided. The downhole pump includes two or more chambers for the accumulation of formation fluids and a valve assembly for filling and venting gas to and from the two or more chambers. The downhole pump further includes a fluid passageway for connecting the two or more chambers to a production tube. In another aspect, a downhole pump including a chamber for the accumulation of formation fluids is provided. In another aspect, a method for improving production in a wellbore is provided. In yet another aspect, a method for improving production in a steam assisted gravity drainage operation is provided. Additionally, a pump system for use in a wellbore is provided.
申请公布号 US7311152(B2) 申请公布日期 2007.12.25
申请号 US20050302482 申请日期 2005.12.13
申请人 发明人
分类号 E21B43/16 主分类号 E21B43/16
代理机构 代理人
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