The invention relates to a long stroke linkage drainage acidizing and fracturing pump, including coat fitting components and inner core components, the outer tube assembly is positioned coaxially in the inner core assembly, wherein the outer tube assembly comprises an upper joint, a connecting cylinder and the lower joint and the lower end portion of the upper joint connecting tube through the outer tube coaxial the installation, coaxial outer cylinder connected between the cylinder and the backwashing joint, the backwashing outer cylinder and the lower joint are coaxially arranged between the sliding sleeve, the sliding sleeve and the outer cylinder radial installation backwash shear pin, the sliding sleeve is evenly provided with radial sliding sleeve backwashing hole, the outer tube diameter to backwash is evenly provided with outer cylinder backwashing holes; the inner core assembly comprises a pump cylinder, piston, valve seat, coaxial the pump cylinder mounted on the connector, the invention has the advantages of simple structure, reasonable design, ingenious design, ensure the construction work permits, effectively improve the application It has wide application value.
【技术实现步骤摘要】
长冲程酸化压裂联动排液抽油泵
本专利技术属于油田采油
,具体地说,是一种长冲程酸化压裂联动排液抽油泵。
技术介绍
抽油泵是石油采油勘探中常用的设备,在压裂施工的过程中,由于压裂液排量大,目前均采用常规抽油泵,因内通径小,不能满足压裂排量大使用要求。压裂液携带压裂砂从油管处被注入地层,此时很容易造成砂堵和砂桥及蹩泵造成压裂施工失败。经检索,发现一篇与本专利申请近似的中国专利公开文献,名称为:一种压裂抽汲联作抽油泵,公告号为:CN20157491U,该公开文献包括外筒部分、工作筒部分和抽汲部分,其特征在于所述外筒部分包括外筒及其上端顺次连接的密封筒和上接箍,下端连接的下接箍;所述工作筒部分包括泵筒及其上端顺次连接的密封体和滑阀罩,下端顺次连接的进液阀组和定位弹性锁抓;所述抽汲部分包括柱塞及其上端顺次连接的出油接头、拉杆和拉杆接头,下端连接的出液阀组;抽汲部分安装于泵筒内腔,工作筒部分安装于外筒内腔,所述拉杆和拉杆接头伸出泵筒和外筒。通过对比发现,上述公开文献与本专利申请在技术方案上存在较大不同,该方案没有设置反洗滑套功能,出现砂堵、砂桥蹩泵问题无法继续施工。专利 ...
【技术保护点】
一种长冲程酸化压裂联动排液抽油泵,其特征在于:包括外套管件组件和内芯组件,所述外套管组件内同轴安装内芯组件;所述外套管组件包括上接头、连接筒以及下接头,该上接头的下端部通过外管同轴连接连接筒,该连接筒与下接头之间同轴安装反洗外筒,该反洗外筒与下接头内同轴安装滑套,该滑套与反洗外筒之间径向安装剪钉,该滑套径向均匀制有滑套反洗孔,所述反洗外筒径向均匀制有外筒反洗孔;所述内芯组件包括泵筒、柱塞以及阀座,所述泵筒同轴安装在上接头内,该泵筒的下端部同轴安装阀座,该阀座的底部安装弹性锁爪,该弹性锁爪的外侧制有嵌装在连接筒里侧的凸起,该弹性锁爪下端部压装有滑套;该泵筒上部同轴安装柱塞,该 ...
【技术特征摘要】
1.一种长冲程酸化压裂联动排液抽油泵,其特征在于:包括外套管件组件和内芯组件,所述外套管组件内同轴安装内芯组件;所述外套管组件包括上接头、连接筒以及下接头,该上接头的下端部通过外管同轴连接连接筒,该连接筒与下接头之间同轴安装反洗外筒,该反洗外筒与下接头内同轴安装滑套,该滑套与反洗外筒之间径向安装剪钉,该滑套径向均匀制有滑套反洗孔,所述反洗外筒径向均匀制有外筒反洗孔;所述内芯组件包括泵筒、柱塞以及阀座,所述泵筒同轴安装在上接头内,该泵筒的下端部同轴安装阀座,该阀座的底部安装弹性锁爪,该弹性锁爪的外侧制有嵌装在连接筒里侧的凸起,该弹性锁爪下端部压装有滑套;...
【专利技术属性】
技术研发人员:祝昱,祝长友,张荣荣,
申请(专利权)人:天津昱利赢石油科技有限公司,
类型:发明
国别省市:天津,12
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