23-06-2023 дата публикации
Номер: CN116291270A
Принадлежит:
The invention belongs to the technical field of oil field production equipment, and particularly relates to an electromagnetic valve control hydraulic anchor which comprises an electromagnetic valve device and a hydraulic anchor device. The electromagnetic valve device comprises a first upper connector, an upper outer cylinder, a water inlet middle connector, a water inlet filter screen, an electromagnetic valve, a lower outer cylinder, a valve seat, a lower connector and a sliding sleeve. The hydraulic anchor device comprises a second upper connector, a releasing rod, a deblocking outer barrel, a deblocking sliding sleeve, a first steel ball, a pull sleeve, a valve sleeve, a second steel ball, a valve element, a transition connector, an outer barrel, a cone, anchor teeth, an anchor tooth frame, a piston, an anchor setting cylinder sleeve, a positioning cylinder sleeve, a positioning piston, a positioning steel ball and a tailstock. The anchor releasing device comprises a third upper connector ...
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