CN2851641Y - 油井增压射流泵 - Google Patents
油井增压射流泵 Download PDFInfo
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Abstract
一种能够提高石油油井机械采油产量的油井增压射流泵,它由喷嘴、蠕动管、环盖、外筒、动滑轮、钢丝绳、锚定器、活塞、筛管等组成,安装在抽油泵的下端。本实用新型的喷嘴直接与抽油泵的最下端连接;蠕动管与外筒在滑动密封的条件下,能够相对运动。外筒内的滑轮系能利用油管柱的弹性伸缩能量,将油液压力升高,并通过喷嘴向抽油泵的泵筒内供油,从而大幅度提高抽油泵的充满系数,达到增产的目的。
Description
所属技术领域
本实用新型涉及一种提高石油油井机械采油产量的增效装置,尤其是能使抽油泵充满系数提高,进而增加产量的油井增压射流泵。
背景技术
目前,整个石油行业抽油泵的工作效率平均值仅为30%。造成泵效低的主要原因就是进入泵筒内的油量不够。这种低效率的工作现状,给我们的电力、人力、物力造成了巨大的浪费。
发明内容
本实用新型的目的就是提供一种油井增压射流泵,用高压高速的油流向抽油泵的泵筒内供油,达到提高泵效的目的。
本实用新型解决其技术问题所采用的技术方案是:由喷嘴、接箍、蠕动管、环盖、外筒、第一动滑轮、a号钢丝绳、锚定器、第二动滑轮、b号钢丝绳、活塞、活塞凡尔、筛管等组成油井增压射流泵,安装在抽油泵的下端。
本实用新型的喷嘴直接以螺纹方式与抽油泵的最下端连接;在蠕动管的上端通过接箍连接喷嘴,蠕动管的中间部分与环盖构成滑动密封,在蠕动管的下部依次装有限位环、第一动滑轮和c号居中定位轮,在蠕动管的下部还开有多个过油孔;在外筒的上端以螺纹方式与环盖连接,外筒的中间部分固定安装了锚定器,外筒的下端连接筛管,a号钢丝绳的起始端固定在外筒的内壁上,中间部分绕在第一动滑轮上,末端绕过c号居中定位轮居中后与第二动滑轮的中心轴连接,b号钢丝绳的起始端也固定在外筒的内壁上,中间部分绕在第二动滑轮上,末端绕过d号居中定位轮居中后与活塞连接,第二动滑轮和d号居中定位轮都安装在支架上,并在a号钢丝绳和b号钢丝绳的带动下,能够一起上下运动。作用原理是:利用抽油机工作时油管柱载荷变化所产生的弹性伸缩能量,将油液压力升高,并通过喷嘴向抽油泵的泵筒内供油,从而大幅度提高抽油泵的充满系数,达到增产的目的。
附图说明
下面结合附图和实施例对本实用新型进一步说明。
图1是本实用新型的纵剖面结构示意图。
图2是本实用新型的一种特殊形式,即本实用新型与其他采油工具连接的纵剖面结构示意图。
在图1中:1.喷嘴,2.接箍,3.蠕动管,4.外筒,5.第一动滑轮,6.a号钢丝绳,7.锚定器。8.第二动滑轮,9.b号钢丝绳,10.活塞,11.活塞凡尔,12.筛管,13.油流通道,14.环盖,15.限位环,16.过油孔,17.c号居中定位轮,18.支架,19.d号居中定位轮,20.高压油腔室,21.套管。
在图2中:22.e号钢丝绳,23.其他采油工具。
具体实施方式
在图1中,喷嘴(1)的上端为公螺纹,与抽油泵连接,下端通过接箍(2)与蠕动管(3)连接;蠕动管(3)的中部与环盖(14)的内孔形成滑动密封,下部依次装有限位环(15)、第一动滑轮(5)和c号居中定位轮(17),并开有过油孔(16);外筒(4)的上部以螺纹方式与环盖(14)连接,中部固定安装锚定器(7),下部与筛管(12)螺纹连接;a号钢丝绳(6)的起始端固定在外筒(4)的内壁上,中间部分绕在第一动滑轮(5)上,末端绕过c号居中定位轮(17)居中后与第二动滑轮(8)的中心轴连接;b号钢丝绳(9)的起始端也固定在外筒(4)的内壁上,中间部分绕在第二动滑轮(8)上,末端绕过d号居中定位轮(19)居中后与活塞(10)连接;第二动滑轮(8)和d号居中定位轮(19)都安装在支架(18)上,并在a号钢丝绳(6)和b号钢丝绳(9)的带动下,能一起上下运动。安装限位环(15)的目的是防止本实用新型在运输及下井过程中磕碰动滑轮。
在图2中,e号钢丝绳(22)穿过筛管(12)将其他采油工具(23)连接在活塞(10)的下端。
实施例1:
由图1可看出本实用新型实施例1的工作过程是这样的:
当本实用新型实施例1下入油井中后,本实用新型实施例1的上部通过喷嘴(1)与抽油泵连接,中部通过锚定器(7)与套管(21)的内壁锚定,使外筒(4)、环盖(14)和筛管(12)固定不动。
当抽油机上冲程时,抽油泵的游动凡尔处于关闭状态,底部的固定凡尔处于开启状态,油管中液柱载荷转移到抽油杆上。这时,油管减载收缩向上运动,并联带蠕动管(3)、第一动滑轮(5)一起向上运动,此时,绕在第一动滑轮(5)身上的a号钢丝绳(6)由于起始端固定在外筒(4)上不动,所以,其末端必定以两倍于油管收缩量的行程带动第二动滑轮(8)向上运动;同理,绕在第二动滑轮(8)身上的b号钢丝绳(9)由于起始端也固定在外筒(4)上不动,所以,其末端必定以四倍于油管收缩量的行程带动活塞(10)向上运动;活塞(10)向上运动的同时,在油压的作用下,活塞凡尔(11)关闭。此时,由于外筒(4)的内径远远大于油流通道(13)和抽油泵泵筒的内径,以及四倍于油管收缩量的活塞行程,致使活塞上部的油压骤然升高,从而,使高压油腔室(20)内的原油穿过过油孔(16)进入与抽油泵连接的油流通道(13),再经过喷嘴(1)高速喷入抽油泵的泵筒。同理,由于外筒(4)的内径远远大于抽油泵泵筒的内径,以及四倍于油管收缩量的活塞行程,致使活塞上部的原油储量,即高压油腔室(20)内的供油量远远大于抽油泵泵筒充满时所需的油量,相当于用水桶给水杯灌水,所以用本实用新型给抽油泵供油,大幅度提高了抽油泵的充满系数。油管弹性收缩结束时,本实用新型上冲程结束,完成一个供油过程。
当抽油机下冲程时,抽油泵的游动凡尔处于开启状态,底部的固定凡尔处于关闭状态,井内液柱载荷又全部作用在油管上。此时,油管加载伸长向下运动,并联带蠕动管(3)、第一动滑轮(5)一起向下运动,同时,活塞在自身重力作用下,依照滑轮系的运动规律以四倍于油管伸长量的行程向下运动;此时,高压油腔室(20)和油流通道(13)内的压力降低,井内原油便顶开活塞凡尔(11)进入高压油腔室(20)内,进行自身充油。油管弹性伸长结束时,本实用新型下冲程结束,至此完成一个周期运动。
实施例2:
由图2可看出本实用新型实施例2是实施例1的一种特殊形式,即,用e号钢丝绳(22)穿过筛管(12),将其他采油工具(23)连接在活塞(10)的下端,因此,在保证本发明实施例1中各项工作过程不变的同时,滑轮系的整个运动过程又传递给了其他采油工具(23),使其他采油工具(23)同样也以四倍于油管伸缩量的行程在油井内上下运动。
Claims (1)
- 一种油井增压射流泵,在蠕动管的上端通过接箍连接喷嘴,蠕动管的中间部分与环盖构成滑动密封,在蠕动管的下部依次装有限位环、第一动滑轮和c号居中定位轮,在蠕动管的下部还开有多个过油孔,在外筒的上端以螺纹方式与环盖连接,外筒的中间部分固定安装了锚定器,外筒的下端连接筛管,a号钢丝绳的起始端固定在外筒的内壁上,中间部分绕在第一动滑轮上,末端绕过c号居中定位轮居中后与第二动滑轮的中心轴连接,b号钢丝绳的起始端也固定在外筒的内壁上,中间部分绕在第二动滑轮上,末端绕过d号居中定位轮居中后与活塞连接,第二动滑轮和d号居中定位轮都安装在支架上,并在a号钢丝绳和b号钢丝绳的带动下,能够一起上下运动,其特征在于:蠕动管与外筒既能相对运动,又能借助环盖构成滑动密封,外筒内有两个动滑轮、两根钢丝绳和一个活塞。
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US8007491B2 (en) | 2007-03-14 | 2011-08-30 | The Board Of Trustees Of The Leland Stanford Junior University | Methods for application of reduced pressure therapy |
US8128607B2 (en) | 2008-02-14 | 2012-03-06 | Spiracur Inc. | Devices and methods for treatment of damaged tissue |
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2005
- 2005-09-08 CN CN 200520117919 patent/CN2851641Y/zh not_active Expired - Fee Related
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US8435221B2 (en) | 2007-10-11 | 2013-05-07 | Spiracur, Inc. | Closed incision negative pressure wound therapy device and methods of use |
US8834434B2 (en) | 2007-10-11 | 2014-09-16 | Spiracur Inc. | Closed incision negative pressure wound therapy device and methods of use |
US9421133B2 (en) | 2007-10-11 | 2016-08-23 | Kci Licensing, Inc. | Closed incision negative pressure wound therapy device and methods of use |
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US8337474B2 (en) | 2008-02-14 | 2012-12-25 | Spiracur Inc. | Devices and methods for treatment of damaged tissue |
US8926575B2 (en) | 2008-02-14 | 2015-01-06 | Spiracur Inc. | Devices and methods for treatment of damaged tissue |
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US9283307B2 (en) | 2008-02-14 | 2016-03-15 | Kci Licensing, Inc. | Devices and methods for treatment of damaged tissue |
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US10182947B2 (en) | 2008-11-25 | 2019-01-22 | Kci Licensing, Inc. | Pressure indicator |
US8361043B2 (en) | 2009-01-07 | 2013-01-29 | Spiracur Inc. | Reduced pressure therapy of the sacral region |
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WO2010102146A1 (en) * | 2009-03-04 | 2010-09-10 | Spiracur Inc. | Devices and methods to apply alternating level of reduced pressure to tissue |
US8728045B2 (en) | 2009-03-04 | 2014-05-20 | Spiracur Inc. | Devices and methods to apply alternating level of reduced pressure to tissue |
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US8728046B2 (en) | 2010-08-10 | 2014-05-20 | Spiracur Inc. | Controlled negative pressure apparatus and alarm mechanism |
US9579430B2 (en) | 2010-08-10 | 2017-02-28 | Kci Licensing, Inc. | Controlled negative pressure apparatus and alarm mechanism |
US9943629B2 (en) | 2010-08-10 | 2018-04-17 | Kci Licensing, Inc. | Alarm system |
CN111927395A (zh) * | 2020-09-18 | 2020-11-13 | 东营市海天石油科技有限责任公司 | 一种超声波清蜡器及井下产生超声波的抽油管柱 |
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