CN110821803A - 弹性座封杆式泵 - Google Patents
弹性座封杆式泵 Download PDFInfo
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- CN110821803A CN110821803A CN201911166355.7A CN201911166355A CN110821803A CN 110821803 A CN110821803 A CN 110821803A CN 201911166355 A CN201911166355 A CN 201911166355A CN 110821803 A CN110821803 A CN 110821803A
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- seat seal
- metal elastic
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- 239000002184 metal Substances 0.000 claims abstract description 20
- 238000005086 pumping Methods 0.000 abstract description 9
- 239000004576 sand Substances 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
- F04B47/02—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/126—Adaptations of down-hole pump systems powered by drives outside the borehole, e.g. by a rotary or oscillating drive
Abstract
一种油田抽油用弹性座封杆式泵,由金属弹性座封、杆式泵、底阀组成。金属弹性座封通过空心轴与泵筒连接,座封由座封接头、座封下接头、金属弹性外套、金属弹性内套组成。座封接头与座封下接头同轴螺纹连接,座封下接头内依次装有金属弹性外套和金属弹性内套。本发明具有座封不漏油泵效高,作业成功率高,任何状态下都可以解封,正常工作状态不会自行解封,严重砂卡下可以自如解封。
Description
技术领域
一种油田抽油用弹性座封杆式泵。
背景技术
以前深井抽油通常需要在井下安装抽油泵,传统的抽油泵虽然可以实现抽油作业,但是传统杆式泵座封与油管连接处之间有间隙,抽油时柱塞和泵筒之间有摩擦,形成了座封上下移动磨损,由此会产生漏油并因此由此可以引起向下泵油的现象,从而泵效会大幅度下降,影响抽油作业效率。当柱塞砂卡在泵筒上时会无法继续抽油作业需要将泵起出,由于柱塞不能单独起出会造成抽油杆损失。由此会造成油井重大损失。杆式泵座封另外还有一种密封体采用圆锥体方式密封因为井下存在砂砾、油泥等杂物容易粘贴在椎体的密封面上造成密封效果不好,同样存在上述问题。
发明内容
本发明的目的通过金属弹性密封钢圈的设置使得本发明在使用过程中不会产生砂卡和前述两种密封存在的问题。
本发明由金属弹性座封、杆式泵、底阀组成,金属弹性座封通过空心轴与泵筒连接。
座封由座封接头、座封下接头、金属弹性外套、金属弹性内套组成,座封接头与座封下接头同轴螺纹连接,座封下接头内依次装有金属弹性外套和金属弹性内套。
底阀由弹簧套、弹簧套压帽、固定阀室、下接头、固定阀球、阀座、弹簧组成,将弹簧套插接在固定阀室内,在弹簧套上装有一组弹簧连接弹簧套压帽,在弹簧套内依次装有弹簧、阀球、阀座将固定阀室与下接头连接,组成固定凡尔组成。
本发明的工作过程如下:
先将座封外套部分连接在作业油管的下端,将带座封的油管下到作业位置后将杆式泵泵体连接到抽油杆上下到油管内预定位置后,通过作业使座封结合,完成座封后就可以进行正常的泵油工作。本发明具有座封不漏油泵效高,作业成功率高,任何状态下都可以解封,正常工作状态不解封,不漏油,严重砂卡下可以自如解封。
附图说明
附图1是本发明的结构示意图。
图中各标号分别是:(1)座封接头,(2)空心轴上接头,(3)密封内套,(4)密封外套,(5)座封下接头,(6)空心轴,(7)泵筒接头,(8)拉杆,(9)柱塞上接头,(10)游动阀球,(11)滤砂环,(12)上游动阀座,(13)隔套,(14)泵筒,(15)柱塞体,(16)柱塞下阀罩,(17)游动下阀座,(18)柱塞下接头,(19)弹簧套压帽,(20)弹簧套,(21)外弹簧,(22)内弹簧,(23)固定球阀罩,(24)固定阀球,(25)固定阀座,(26)固定阀下接头。
具体实施方式
现举一实例对本发明做进一步说明:
座封接头1、尺寸是外径107mm,最小内经71mm,座封管连接内径为连接3吋半油管内径,空心轴上接头2、最大外径74mm,悬挂处外径尺寸71mm,拉杆扶正端口外径42mm,内径24mm,密封内套3、外径70mm,内径64mm,密封外套4、外径82mm,内径70mm,座封下接头5、外径95mm,密封面尺寸82mm,接3吋半油管的下端内径71mm,空心轴6、密封面外径64mm,内孔直径48mm,泵筒接头7、总长120mm,下端为泵筒连接端,端内口为20mm长的锥面固定端的下接头内孔为20mm高的导向锥面。拉杆8、外径尺寸为19mm,柱塞上接头9、总高为138mm,游动阀球10,直径35mm,滤砂环11,外径57mm,长18mm,上游动阀座12,外径38mm,内径27mm,高12mm,隔套13,外径46mm,长34mm,内径28mm,泵筒14,57泵筒,柱塞体15,长度660mm,柱塞下阀罩16,为六格栅栏状,内孔直径为34mm,外径44mm,底孔36mm,6个宽4mm均布的筋,游动下阀座17,外径44mm,里孔27mm,高12mm,柱塞下接头18,总长98mm,最大外径57.1mm,滤砂环放置处外径为48.2mm,内径30mm,弹簧套压帽19,外径38mm,长18mm,最小内径23mm,弹簧套20,最大外径38mm,最小内径21mm,装弹簧处外径30mm,外弹簧21,最大外径38mm内弹簧22,外径22mm,固定球阀罩23,最大外径57mm,最大长度74mm,为八格栅栏状,8个宽5mm均布的筋,固定阀球24,直径38.1mm,固定阀座25,外径42mm,里孔30mm,厚15mm,固定阀下接头26,总长105mm,最大外径69.5mm,内径34mm。
Claims (1)
1.一种弹性座封杆式泵,由金属弹性座封、杆式泵、底阀组成,其特征在于:金属弹性座封通过空心轴与泵筒连接;金属弹性座封由座封接头、座封下接头、金属弹性外套、金属弹性内套组成,座封接头与座封下接头同轴螺纹连接,座封下接头内依次装有金属弹性外套和金属弹性内套;底阀由弹簧套、弹簧套压帽、固定阀室、下接头、固定阀球、阀座、弹簧组成,将弹簧套插接在固定阀室内,在弹簧套上装有一组弹簧连接弹簧套压帽,在弹簧套内依次装有弹簧、阀球、阀座将固定阀室与下接头连接,组成固定凡尔组成。
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2156315Y (zh) * | 1993-04-27 | 1994-02-16 | 胜利石油管理局总机械厂 | 一种顶部固定杆式抽油泵 |
US5472326A (en) * | 1993-03-30 | 1995-12-05 | Tarpley; Leon | Valve assemblies for sucker rod operated subsurface pumps |
CN1243200A (zh) * | 1998-07-23 | 2000-02-02 | 黄胜志 | 金属弹性密封抽油泵 |
CN201031791Y (zh) * | 2007-05-10 | 2008-03-05 | 盘锦辽油晨宇集团有限公司光达石油机械厂 | 等径强启闭抽油泵 |
CN201381970Y (zh) * | 2009-03-20 | 2010-01-13 | 王宇 | 大流道高效抽油泵 |
CN205744379U (zh) * | 2016-05-09 | 2016-11-30 | 铁岭中油机械设备制造有限公司 | 一种多功能抽油泵 |
CN211370694U (zh) * | 2019-11-25 | 2020-08-28 | 尚云英 | 弹性座封杆式泵 |
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- 2019-11-25 CN CN201911166355.7A patent/CN110821803B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5472326A (en) * | 1993-03-30 | 1995-12-05 | Tarpley; Leon | Valve assemblies for sucker rod operated subsurface pumps |
US5472326B1 (en) * | 1993-03-30 | 1999-03-02 | Leon Tarpley | Valve assemblies for sucker rod operated subsurface pumps |
CN2156315Y (zh) * | 1993-04-27 | 1994-02-16 | 胜利石油管理局总机械厂 | 一种顶部固定杆式抽油泵 |
CN1243200A (zh) * | 1998-07-23 | 2000-02-02 | 黄胜志 | 金属弹性密封抽油泵 |
CN201031791Y (zh) * | 2007-05-10 | 2008-03-05 | 盘锦辽油晨宇集团有限公司光达石油机械厂 | 等径强启闭抽油泵 |
CN201381970Y (zh) * | 2009-03-20 | 2010-01-13 | 王宇 | 大流道高效抽油泵 |
CN205744379U (zh) * | 2016-05-09 | 2016-11-30 | 铁岭中油机械设备制造有限公司 | 一种多功能抽油泵 |
CN211370694U (zh) * | 2019-11-25 | 2020-08-28 | 尚云英 | 弹性座封杆式泵 |
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