The utility model relates to an automatic leakproof oil well plugging device, belonging to a sealing device, which is composed of an oil well at the wellhead, a well sealing device and a blowout preventer. The lower part of the oil tree is provided with an oil pipe which is connected with a blowout preventer and a blowout preventer box. The blowout preventer is double joint offset wellhead occluder, floating baffle to cut oil in a double joint offset wellhead occluder under ball diameter; the oil outlet pipe is connected with the Christmas tree in the drainage tube and the lower ball joint rod ball joint ball joint between the side wall of the communicated. The utility model has the advantages of anti leakage automatic positive wells occluder, reasonable structure design, good sealing, reduce leakage preventer sealing packing, improves the utilization rate of the packing, thereby prolonging the service life and maintenance cycle of the device, reduces the energy consumption and operation cost, increase the service life of the blowout preventer.
【技术实现步骤摘要】
【技术保护点】
1.防泄漏自动寻正油井封堵器,是由井口采油树(1)、封井器(2)和防喷盒(3)构成,其特征在于采油树(1)的下部有出油管(4)、之上相继连接封井器(2)和防喷盒(3),所述的防喷盒(3)是双球节调偏井口封堵器,在双球节调偏井口封堵器的下球节(5)内径向设有截油浮动档板(6);在上球节(7)和下球节(5)之间球节杆(8)的侧壁上连接引流导管(9)与采油树(1)的出油管(4)相连通。
【技术特征摘要】
【专利技术属性】
技术研发人员:李洋洋,李志强,杨航,宋庆康,张金庄,
申请(专利权)人:李维学,
类型:实用新型
国别省市:23
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