CN103527454B - 一种堵塞式防喷抽油泵 - Google Patents

一种堵塞式防喷抽油泵 Download PDF

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CN103527454B
CN103527454B CN201310478865.4A CN201310478865A CN103527454B CN 103527454 B CN103527454 B CN 103527454B CN 201310478865 A CN201310478865 A CN 201310478865A CN 103527454 B CN103527454 B CN 103527454B
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blowout prevention
suspension joint
plunger
valve ball
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CN103527454A (zh
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唐欢
李乐明
付永华
孙玉龙
颜顸
陈保玉
赵海珍
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Xuancheng Geith Intellectual Property Operations Co Ltd
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Abstract

一种堵塞式防喷抽油泵,连接管下部安装进油阀,柱塞下部安装出油阀,出油阀下部连接上悬挂接头,柱塞与泵筒配合密封,连接管的内径大于泵筒的内径,泵筒、释放管、连接管依次连接,泵筒的下部有圆锥面,释放管内有释放空腔,下悬挂接头的上部铣开成条体,下悬挂接头悬挂在上悬挂接头上,悬挂面为圆环形平面,下悬挂接头的上部有圆锥形内孔,圆锥形内孔的孔口可以套进圆锥面外,防喷柱塞内放置防喷阀球后与下悬挂接头的下部连接,上悬挂接头内安装压杆,压杆的下部压住防喷阀球防喷柱塞的上部通道打开,能正常抽油生产,检泵提抽油杆时,上悬挂接头与下悬挂接头脱离,压杆随柱塞被提走,防喷阀球上升堵塞防喷柱塞的通道,防止井喷。

Description

一种堵塞式防喷抽油泵
技术领域
本发明是油田抽油井用的抽油防喷设备,是一种堵塞式防喷抽油泵。
背景技术
当油井井口有压力的情况下进行作业时就会发生井喷,出现重大工程事故。为了防止发生井喷,这时只有对油井进行压井作业。压井是向井筒或地层打入高密度液体,使井底压力高于地层压力,地层高压液体不能流入井筒喷向地面。由于压井使井底压力高于地层压力,就会发生地层被压死的问题,使油层受到污染,减少油井产量,产生重大经济损失。
发明内容
本发明的目的是设计一种堵塞式防喷抽油泵,检泵提抽油杆时使管柱底部堵塞,不会发生井喷,不用采取压井作业。
本发明的目的是这样实现的:包括泵筒、柱塞、连接管、出油阀、上悬挂接头、进油阀,连接管下部安装进油阀,柱塞下部安装出油阀,出油阀下部连接上悬挂接头,柱塞与泵筒配合密封,连接管的内径大于泵筒的内径,还包括释放管、压杆、下悬挂接头、防喷阀球、防喷柱塞,泵筒、释放管、连接管依次连接,泵筒的下部有圆锥面,释放管内有释放空腔,下悬挂接头的上部铣开成条体,下悬挂接头悬挂在上悬挂接头上,悬挂面为圆环形平面,下悬挂接头的上部有圆锥形内孔,圆锥形内孔的孔口可以套进圆锥面外,防喷柱塞内放置防喷阀球后与下悬挂接头的下部连接,上悬挂接头内安装压杆,压杆的下部压住防喷阀球,使防喷阀球不堵塞防喷柱塞的上部通道,上悬挂接头与防喷柱塞的下部相通。
本发明的有益效果是:上悬挂接头与防喷柱塞的下部相通,能正常抽油生产。检泵提抽油杆时,柱塞带动下悬挂接头上行至释放管内,下悬挂接头的圆锥形内孔的孔口套进泵筒下部的圆锥面外,
下悬挂接头的上部铣开成条体的部位进入到释放管内的释放空腔里,在锥面作用下,下悬挂接头的上部铣开成的条体扩张,使下悬挂接头脱离上悬挂接头,压杆随柱塞被提走,防喷阀球上升堵塞防喷柱塞的通道,由于防喷柱塞与连接管之间的间隙较小,井液不能向上喷出,不会发生井喷,不用采取压井作业,油层不会受到污染,不会影响油井产量,井口可以安全作业,因此,本发明具有显著的经济效益和社会效益。
附图说明
附图1是本发明实施例的结构图。
附图2是附图1中件11的形状图。
具体实施方式
下面结合附图对本发明的实施例进行说明。
由图可知,本发明的实施例包括泵筒1、柱塞2、释放管5、连接管6、出油阀7、上悬挂接头8、压杆10、下悬挂接头11、防喷阀球12、防喷柱塞14、进油阀15,连接管6下部安装进油阀15,柱塞2下部安装出油阀7,出油阀7下部连接上悬挂接头8,柱塞2与泵筒1配合密封,连接管6的内径大于泵筒1的内径,泵筒1、释放管5、连接管6依次连接,泵筒1的下部有圆锥面3,释放管5内有释放空腔4,下悬挂接头11的上部铣开成条体,下悬挂接头11悬挂在上悬挂接头8上,悬挂面为圆环形平面,承受轴向力不会脱开,悬挂面处于下悬挂接头11的上部铣开成条体的部位,条体的根部在悬挂面之下,下悬挂接头11的上部有圆锥形内孔9,圆锥形内孔9的孔口可以套进圆锥面3外,用于释放下悬挂接头11,防喷柱塞14内放置防喷阀球12后与下悬挂接头11的下部连接,上悬挂接头8内安装压杆10,压杆10上设置了通道,不会堵塞上悬挂接头8的内部通道,压杆10的下部压住防喷阀球12,使防喷阀球12不堵塞防喷柱塞14的上部通道,上悬挂接头8与防喷柱塞14的下部相通。
本发明的进一步措施是防喷柱塞14内安装防喷弹簧13,防喷弹簧13处于防喷阀球12之下,防喷弹簧13支撑起防喷阀球12。压
杆10压住防喷阀球12时防喷弹簧13处于压缩状态,压杆10抽出后防喷弹簧13将防喷阀球12推高到堵塞防喷柱塞14的状态。防喷弹簧13安装在有通孔的座上,液流可以在防喷柱塞14内流动,如果不安装防喷弹簧13,只能靠井喷时的液流将防喷阀球12推至堵塞防喷柱塞14的状态,如果防喷阀球12的密度低于井液的密度,也可以不安装防喷弹簧13。
防喷柱塞14与连接管6的直径差为0.1-1.4mm,可以使液流产生节流,井口不会发生井喷。
下井时,泵筒1、释放管5、连接管6、下悬挂接头11、防喷阀球12、防喷弹簧13、防喷柱塞14、进油阀15随油管下井。柱塞2、出油阀7、上悬挂接头8、压杆10随抽油杆下井。上悬挂接头8先接触到下悬挂接头11将其向下压,使下悬挂接头11上部铣开成的条体扩张,使上悬挂接头8、下悬挂接头11悬挂在一起,悬挂面为圆环形平面,能承受轴向拉力,上悬挂接头8的下端与下悬挂接头11的内部台肩接触,能承受轴向压力,正常抽油生产时上悬挂接头8与下悬挂接头11不会脱离,将上悬挂接头8之下的部件连接成一体,连接成一体的目的是使压杆10始终压住防喷阀球12,保证流道畅通。
连接管6为组合件,中间有加长接箍,处于碰泵状态时,下悬挂接头11处于加长接箍处,以便有空间使下悬挂接头11的条体扩张使上悬挂接头8与下悬挂接头11对接成一体。

Claims (3)

1.一种堵塞式防喷抽油泵,包括泵筒(1)、柱塞(2)、连接管(6)、出油阀(7)、上悬挂接头(8)、进油阀(15),连接管(6)下部安装进油阀(15),柱塞(2)下部安装出油阀(7),出油阀(7)下部连接上悬挂接头(8),柱塞(2)与泵筒(1)配合密封,连接管(6)的内径大于泵筒(1)的内径,其特征是:还包括释放管(5)、压杆(10)、下悬挂接头(11)、防喷阀球(12)、防喷柱塞(14),泵筒(1)、释放管(5)、连接管(6)依次连接,泵筒(1)的下部有圆锥面(3),释放管(5)内有释放空腔(4),下悬挂接头(11)的上部铣开成条体,下悬挂接头(11)悬挂在上悬挂接头(8)上,悬挂面为圆环形平面,下悬挂接头(11)的上部有圆锥形内孔(9),圆锥形内孔(9)的孔口可以套进圆锥面(3)外,防喷柱塞(14)内放置防喷阀球(12)后与下悬挂接头(11)的下部连接,上悬挂接头(8)内安装压杆(10),压杆(10)的下部压住防喷阀球(12),使防喷阀球(12)不堵塞防喷柱塞(14)的上部通道,上悬挂接头(8)与防喷柱塞(14)的下部相通。
2.根据权利要求1所述的一种堵塞式防喷抽油泵,其特征是:防喷柱塞(14)内安装防喷弹簧(13),防喷弹簧(13)处于防喷阀球(12)之下,防喷弹簧(13)支撑起防喷阀球(12)。
3.根据权利要求1或2所述的一种堵塞式防喷抽油泵,其特征是:防喷柱塞(14)与连接管(6)的直径差为0.1-1.4mm。
CN201310478865.4A 2013-10-10 2013-10-10 一种堵塞式防喷抽油泵 Expired - Fee Related CN103527454B (zh)

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CN106593833B (zh) * 2016-12-08 2018-04-06 中国石油天然气股份有限公司 一种抽油装置
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