CN101943161B - 可掺水抽油泵柱塞 - Google Patents

可掺水抽油泵柱塞 Download PDF

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CN101943161B
CN101943161B CN201010280505XA CN201010280505A CN101943161B CN 101943161 B CN101943161 B CN 101943161B CN 201010280505X A CN201010280505X A CN 201010280505XA CN 201010280505 A CN201010280505 A CN 201010280505A CN 101943161 B CN101943161 B CN 101943161B
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plunger
oil
tap
distributary
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CN101943161A (zh
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吴伟
高军
向明光
周娜
孙玉龙
刘庆
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DONGYING BAIHUA PETROLEUM TECHNOLOGY DEVELOPMENT CO LTD
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Abstract

一种可掺水抽油泵柱塞，上分流接头下部螺纹与柱塞上部连接，柱塞下部与下分流接头中部螺纹连接，下分流接头上部螺纹与排出阀下部连接，排出阀上部与内插管下部连接，内插管上部插入上分流接头内，上分流接头里有掺水流入流道、采出液流出流道，下分流接头里有掺水流出流道、采出液流入流道，柱塞与内插管之间有环形流道，掺水流入流道、环形流道、掺水流出流道相通，采出液流出流道与内插管上部相通，排出阀下部与采出液流入流道相通。内插管上端端插入上分流接头处安装密封圈。不改变抽油泵的排油方式，可使热水或蒸汽经抽油泵柱塞向下流至泵下对泵下原油加热，使稠油井正常生产。

Description

可掺水抽油泵柱塞
技术领域
本发明是石油开采用的井下抽油设备，特别是一种可掺水抽油泵柱塞。
已有技术
在稠油井生产中，有的采用空心杆掺水降粘抽油。空心杆掺水原理是将热水或蒸汽从井口进入空心抽油杆经抽油泵柱塞向下流至泵下与泵下原油混合加热(在泵上不与原油混合)，达到降粘的目的，使油井能正常生产。但现有的经过柱塞将热水掺至泵下的抽油泵要从泵筒下部排至泵上油管内，如中国专利申请200920031493.X《拌流注水降粘装置》，就是这种结构，由于它是由泵筒下部开始排油，而油中分离出来的天燃气处于泵筒上部，造成天燃气体排不出来，聚集过多后轻则降低泵效，重则引起气锁，使泵不能抽油，造成油井停产。
发明内容
本发明的目的是提供一种可掺水抽油泵柱塞，不改变抽油泵的排油方式，可将热水或蒸汽经抽油泵柱塞向下掺至泵下对泵下原油加热。
本发明的目的是这样实现的：有柱塞、排出阀，还有上分流接头、内插管、下分流接头，上分流接头下部螺纹与柱塞上部连接，柱塞下部与下分流接头中部螺纹连接，下分流接头上部螺纹与排出阀下部连接，排出阀上部与内插管下部连接，内插管上部插入上分流接头内，上分流接头里有掺水流入流道、采出液流出流道，下分流接头里有掺水流出流道、采出液流入流道，柱塞与内插管之间有环形流道，掺水流入流道、环形流道、掺水流出流道相通，采出液流出流道与内插管上部相通，排出阀下部与采出液流入流道相通，内插管上端插入上分流接头处安装密封圈。
本发明的有益效果：不改变抽油泵的排油方式，可使热水或蒸汽经抽油泵柱塞向下流至泵下对泵下原油加热，使稠油井正常生产。
附图说明
附图1是本发明实施例的全剖视图。
具体实施方式
下面结合附图1对本发明实施例进行说明。
如图所示，由上分流接头1、柱塞2、内插管3、排出阀4、下分流接头5、密封圈6组成，上分流接头1下部螺纹与柱塞2上部连接，柱塞2下部与下分流接头5中部螺纹连接，下分流接头5上部螺纹与排出阀4下部连接，排出阀4上部与内插管3下部连接，内插管3上部插入上分流接头1内，上分流接头1里有掺水流入流道7、采出液流出流道8，下分流接头5里有掺水流出流道10、采出液流入流道11，柱塞2与内插管3之间有环形流道9，掺水流入流道7、环形流道9、掺水流出流道10相通，采出液流出流道8与内插管3上部相通，排出阀4下部与采出液流入流道11相通。内插管3上端端插入上分流接头1处安装密封圈6，使掺入水不能从此处进入内插管3内。
工作时，上分流接头1上部与空心抽油杆连接，下分流接头5下部与空心抽油杆连接，柱塞2在抽油泵筒内，掺入热水或蒸汽经泵上空心抽油杆、掺水流入流道7、环形流道9、掺水流出流道10、泵下空心抽油杆流至泵下并对原油加热，井内原油经采出液流入流道11、排出阀4、内插管3、采出液流出流道8被采出流至泵上。

Claims (1)

1.一种可掺水抽油泵柱塞，有柱塞(2)、排出阀(4)，其特征是：还有上分流接头(1)、内插管(3)、下分流接头(5)，上分流接头(1)下部螺纹与柱塞(2)上部连接，柱塞(2)下部与下分流接头(5)中部螺纹连接，下分流接头(5)上部螺纹与排出阀(4)下部连接，排出阀(4)上部与内插管(3)下部连接，内插管(3)上部插入上分流接头(1)内，上分流接头(1)里有掺水流入流道(7)、采出液流出流道(8)，下分流接头(5)里有掺水流出流道(10)、采出液流入流道(11)，柱塞(2)与内插管(3)之间有环形流道(9)，掺水流入流道(7)、环形流道(9)、掺水流出流道(10)相通，采出液流出流道(8)与内插管(3)上部相通，排出阀(4)下部与采出液流入流道(11)相通，内插管(3)上端插入上分流接头(1)处安装密封圈(6)。
CN201010280505XA 2010-09-02 2010-09-02 可掺水抽油泵柱塞 Active CN101943161B (zh)

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CN102278101B (zh) * 2011-08-31 2014-07-23 中国石油化工股份有限公司 一种细分层掺水采油管柱
CN106812686B (zh) * 2017-02-21 2018-12-14 中国石油化工股份有限公司 一种采油空心泵及空心泵泵下掺入方法

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CN2102385U (zh) * 1991-07-02 1992-04-22 胜利石油管理局采油工程处 拌热抽稠泵
CN2307931Y (zh) * 1997-09-04 1999-02-17 辽河石油勘探局钻采工艺研究院 热力采油抽油泵
CN2766036Y (zh) * 2005-02-06 2006-03-22 刘洪田 井下掺水装置
CN201254982Y (zh) * 2008-07-30 2009-06-10 任鹏 一种带有加热降粘除蜡装置的采油系统
CN201246155Y (zh) * 2008-09-02 2009-05-27 东营宝业石油技术开发有限责任公司 空心杆掺水降粘装置
CN201779007U (zh) * 2010-09-02 2011-03-30 白霞 可掺水抽油泵柱塞

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