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发明公开
CN103649453A 气举拆换系统 无效 - 撤回

气举拆换系统
摘要：
本发明涉及一种用于在井（3）中取回阀（2）和安装阀（2）的阀更换系统（1）。所述阀更换系统包括：工具管柱，该工具管柱包括用于取出所述阀的取回工具（4），所述取回工具包括壳体（5）和与所述壳体枢转地连接的臂部（6），所述臂部具有用于连接到所述阀的连接器（7），以及用于安装另一阀的安装工具（9），所述安装工具与所述取回工具连接以形成工具管柱（8），所述安装工具包括壳体（10）和臂部（11），所述臂部与所述壳体可枢转地连接且具有用于连接到另一阀的连接器（12）；驱动工具（13），所述驱动工具与所述安装工具和所述取回工具连接，以提供轴向运动从而安装或取回所述阀；以及用于检测温度变化和/或声学变化的泄漏检测设备（14），所述泄漏检测设备布置在所述工具管柱的一端中。此外，本发明涉及一种阀更换方法。
摘要（英）：

The present invention relates to a valve changing system (1) for retrieving and installing a valve (2) in a well (3). The valve changing system comprises a tool string comprising a retrieving tool (4) for taking out the valve, comprising a housing (5) and an arm (6) pivotally connected with the housing, said arm having a connector (7) for connection to the valve, and an installation tool (9) for installing another valve connected with the retrieving tool forming a tool string (8), the installation tool comprising a housing (10) and an arm (11) which is pivotally connected with the housing and has a connector (12) for connection to another valve, a driving tool (13) connected with the installation tool and the retrieving tool for providing an axial movement in order to install or retrieve the valve, and a leak detection device (14) for detecting temperature and/or acoustic variations, the leak detection device being arranged in one end of the tool string. Furthermore the invention relates to a valve changing method.

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