The invention discloses a lead-in hammering riser connector, which comprises an internal connector and an external connector which are butted up and down, wherein the middle and lower part of the internal connector are inserted into the external connector, the middle and lower part of the internal connector are provided with a plurality of spiral toothed teeth which are evenly distributed along the circumference, and the internal connector and the external connector are connected by the toothed slots, and the internal connector and the external connector are connected by the toothed slots The butt joint of the inner joint and the outer joint is fixed with a plurality of anti falling blocks uniformly distributed along the circumference, and the anti falling blocks are embedded on the outer side of the inner joint and the outer joint; the lower end of the inner joint is provided with an O-ring, and the O-ring is clamped between the inner joint and the outer joint. The invention does not need to use torque equipment, self centering and leading in, so it is very convenient to construct on the offshore platform, and the connection operation can be completed only with the help of a simple hand-held tool, and the performance is stable, which can meet the requirements of the hammering operation.
【技术实现步骤摘要】
导入式锤击隔水管接头
本专利技术涉及海洋石油钻井领域,特别是一种导入式锤击隔水管接头。
技术介绍
海洋石油钻井开发过程中需要用隔水管隔离海水进行油气开发,现有可用于锤击作业的隔水管接头型式主要为焊接、螺纹两种,其中焊接式锤击隔水管作业耗时长、焊缝无法做到与管体同等防腐,且现场冷却时间不足,进而使下入锤击作业存在一定风险,焊接质量受到不良影响,同时作业受季节、温湿度影响较大,作业效率不稳定。螺纹式锤击隔水管需要配备扭力大钳、液压套管钳、绞车等动力设备实现连接。在无人平台和导管架外挂井口作业时并没有上述动力设备的安装条件,因此根本无法完成螺纹式锤击隔水管的连接和下入锤击。
技术实现思路
本专利技术为解决公知技术中存在的技术问题而提供一种借助简单手持工具就能完成连接作业的导入式锤击隔水管接头。本专利技术为解决公知技术中存在的技术问题所采取的技术方案是:一种导入式锤击隔水管接头,包括上下对接的内接头和外接头,所述内接头的中下部插入在所述外接头内,在所述内接头的中下部设有多个沿周向均布的螺旋状齿牙,在所述外 ...
【技术保护点】
1.一种导入式锤击隔水管接头,其特征在于,包括上下对接的内接头和外接头,所述内接头的中下部插入在所述外接头内,在所述内接头的中下部设有多个沿周向均布的螺旋状齿牙,在所述外接头内部设有多个螺旋状齿槽,所述内接头和所述外接头通过齿槽连接,在所述内接头和所述外接头的对接处固定有多个沿周向均布的防脱块,所述防脱块嵌装在所述内接头和所述外接头外侧;在所述内接头的下端部设有O型密封圈,所述O型密封圈夹装在所述内接头和所述外接头之间。/n
【技术特征摘要】
1.一种导入式锤击隔水管接头,其特征在于,包括上下对接的内接头和外接头,所述内接头的中下部插入在所述外接头内,在所述内接头的中下部设有多个沿周向均布的螺旋状齿牙,在所述外接头内部设有多个螺旋状齿槽,所述内接头和所述外接头通过齿槽连接,在所述内接头和所述外接头的对接处固定有多个沿周向均布的防脱块,所述防脱块嵌装在所述内接头和所述外接头外侧;在所述内接头的下端部设有O型密封圈,所述O型密封圈夹装在所述内接头和所述外接头之间。
2.根据权利要求1所述的导入式锤击隔水管接头,其特征在于,所述防脱块的上部采用倒梯形结构,嵌装在...
【专利技术属性】
技术研发人员:曹帅帅,李淑涛,常芹,李晓林,王昆剑,修海媚,杨成,袁浩,张佳宁,吴智文,陈增海,孙英伟,宋涛,冯绍明,刘光春,曹良伟,沈国华,啜广山,
申请(专利权)人:中海油能源发展股份有限公司,中海油能源发展装备技术有限公司,
类型:发明
国别省市:北京;11
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