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实用新型
CN203594399U 套管头旋扣辅助工具 失效 - 权利终止

套管头旋扣辅助工具
摘要：
本实用新型公开了一种套管头旋扣辅助工具，其包括连接短节和法兰连接板，所述连接短节上端中部形成有钻杆母扣，该钻杆母扣与液压大钳/顶驱上的钻杆连接，所述连接短节下端外壁上周向设有多个竖直设置的销轴，所述法兰连接板中部形成有多个与所述销轴一一对应设置的销轴孔，该法兰连接板上还设有多个螺栓孔，所述法兰连接板安装在套管头上并由多个螺栓固紧。本实用新型采用顶驱或液压大钳为动力，并通过钻杆、连接短节将动力传动给固接在套管头上的法兰连接板，省时、省力，安全快捷。另外，本实用新型的辅助工具还可以从套管头上卸下回收，重新使用。
摘要（英）：

The utility model discloses an auxiliary tool for screwing a casing head. The auxiliary tool comprises a short connection section and a flange connection plate. A female thread for a drill stem is formed in the middle of the upper end of the short connection section and connected with the drill stem on hydraulic tongs or a top drive. A plurality of vertical hinge pins are arranged on the outer wall of the lower end of the short connection section in the peripheral direction. A plurality of hinge pin holes corresponding to the hinge pins in a one-to-one mode are formed in the middle of the flange connection plate. The flange connection plate is provided with a plurality of bolt holes, installed on the casing head and fastened by a plurality of bolts. The top drive of the hydraulic tongs serve as power, the drill stem and the short connection section transmit power to the flange connection plate fixedly connected to the casing head, and therefore the auxiliary tool saves the time and labor and is safe and fast to use. In addition, the auxiliary tool can be disassembled and recycled from the casing head so as to be reused.

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