CN106089157B - 蓄能平衡式液压抽油机 - Google Patents

蓄能平衡式液压抽油机 Download PDF

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CN106089157B
CN106089157B CN201610701788.8A CN201610701788A CN106089157B CN 106089157 B CN106089157 B CN 106089157B CN 201610701788 A CN201610701788 A CN 201610701788A CN 106089157 B CN106089157 B CN 106089157B
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cylinder
oil
pumping unit
hydraulic station
oil cylinder
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CN106089157A (zh
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宋丕刘
张伟
翟文元
马宝忠
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SHANDONG WEIMA PUMP MANUFACTURING Co Ltd
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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
    • E21B43/129—Adaptations of down-hole pump systems powered by fluid supplied from outside the borehole
    • 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
    • F04B47/04—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level the driving means incorporating fluid means
    • 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
    • F04B47/14—Counterbalancing
    • F04B47/145—Counterbalancing with fluid means

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

本发明公开了蓄能平衡式液压抽油机，包括液压站、高压油管、油缸、支架、光杆和抽油杆，支架下端的下固定板固定设置在井口上，油缸固定设置在支架上端的上固定板上，油缸通过高压油管与液压站相连通，抽油杆穿过井口插入油井内，其特征在于：支架的中部设有上下滑动的滑板，油缸的油缸柱塞下端通过光杆与抽油杆的上端连接固定，油缸柱塞的下端与滑板连接固定，气缸固定设置在滑板上，气缸的气缸柱塞下端固定设置在支架的下固定板上。本发明使用控制柜控制液压站提供动力，占地面积小，无地面污染，通过液压缸上下运动，气缸平衡缓冲，减少了载荷对油缸的冲击力，延长了使用寿命，达到了高效节能抽油目的。

Description

蓄能平衡式液压抽油机
技术领域
本发明涉及一种采油用抽油机的改进，具体的说是一种蓄能平衡式液压抽油机。
背景技术
在原油的开采中，目前有两种采油方式，一种是有杆采油方式，另一种是无杆采油方式；有杆采油方式的动力装置在地面，通过抽油杆带动井下的泵运行进行原油开采，有抽油机采油系统和螺杆泵采油系统之分；在油气举升行业，80%的油气开采地面设备使用抽油机，其中多为机械式抽油机，其不足之处在于：机械式抽油机占地面积大，安装麻烦，地面污染严重，并且其用电量约占油田用电量的40％，并且电机功率利用率低，能源浪费严重，目前我国有近8万台抽油机井，电动机平均负荷率为20％～30％，部分电动机负荷率更低，无法进行高效、节能采油。
发明内容
本发明的目的在于提供一种结构简单、操作方便，采用液压缸进行上下运动，气缸进行缓冲平衡，延长液压缸使用寿命，实现油气举升的蓄能平衡式液压抽油机。
为了达到以上目的，本发明所采用的技术方案是：该蓄能平衡式液压抽油机，包括液压站、高压油管、油缸、支架、光杆和抽油杆，支架下端的下固定板固定设置在井口上，油缸固定设置在支架上端的上固定板上，油缸通过高压油管与液压站相连通，抽油杆穿过井口插入油井内，其特征在于：支架的中部设有上下滑动的滑板，油缸的油缸柱塞下端通过光杆与抽油杆的上端连接固定，油缸柱塞的下端与滑板连接固定，气缸固定设置在滑板上，气缸的气缸柱塞下端固定设置在支架的下固定板上。
所述的气缸设有2—4个，对称设置在油缸的周围，气缸的上端通过气缸连通管相互连通。
所述的液压站通过导线与控制柜连接。
本发明的有益效果在于：使用控制柜控制液压站提供动力，占地面积小，无地面污染，通过液压缸上下运动，气缸平衡缓冲，减少了载荷对油缸的冲击力，延长了使用寿命，达到了高效节能抽油目的。
附图说明
图1为发明的结构主视示意图。
图中：1、控制柜；2、液压站；3、高压油管；4、油缸； 5、气缸；6、支架；7、上固定板；8、下固定板；9、滑板；10、气缸柱塞；11、光杆；12、抽油杆；13、井口；14、气缸连通管；15、油缸柱塞。
具体实施方式
参照图1制作发明。该蓄能平衡式液压抽油机，包括液压站2、高压油管3、油缸4、支架6、光杆11和抽油杆12，支架6下端的下固定板8固定设置在井口13上，油缸4固定设置在支架6上端的上固定板7上，油缸4通过高压油管3与液压站2相连通，以便于通过液压站2驱动油缸4工作，抽油杆12穿过井口13插入油井内，其特征在于：支架6的中部设有上下滑动的滑板9，油缸4的油缸柱塞15下端通过光杆11与抽油杆12的上端连接固定，油缸柱塞15的下端与滑板9连接固定，通过油缸柱塞15的伸缩带动滑板9、光杆11和抽油杆12上下运动实现采油工作，气缸5固定设置在滑板9上，气缸5的气缸柱塞10下端固定设置在支架6的下固定板8上。
所述的气缸5设有2—4个，对称设置在油缸4的周围，气缸5的上端通过气缸连通管14相互连通，以达到所有气缸5的气压平衡一致。
所述的液压站2通过导线与控制柜1连接，控制柜1采用变频控制柜，能够根据不同井况发送指令，以便于通过控制柜1对液压站2进行适时调节，到达节能降耗的目的。
使用本发明时，通过控制柜1操作液压站2，液压站2通过高压油管3操作油缸4，使油缸柱塞15伸缩。在油缸柱塞15伸出时，滑板9下行，气缸柱塞10缩进气缸5内，气缸5的气压上升，对油缸柱塞15的下行起到缓冲作用，防止油缸柱塞15骤然停止，避免油缸4冲击载荷过大导致寿命缩短。

Claims (3)

1.蓄能平衡式液压抽油机，包括液压站（2）、高压油管（3）、油缸（4）、支架（6）、光杆（11）和抽油杆（12），支架（6）下端的下固定板（8）固定设置在井口（13）上，油缸（4）固定设置在支架（6）上端的上固定板（7）上，油缸（4）通过高压油管（3）与液压站（2）相连通，抽油杆（12）穿过井口（13）插入油井内，其特征在于：支架（6）的中部设有上下滑动的滑板（9），油缸（4）的油缸柱塞（15）下端通过光杆（11）与抽油杆（12）的上端连接固定，油缸柱塞（15）的下端与滑板（9）连接固定，气缸（5）固定设置在滑板（9）上，气缸（5）的气缸柱塞（10）下端固定设置在支架（6）的下固定板（8）上。
2.根据权利要求1所述的蓄能平衡式液压抽油机，其特征在于：所述的气缸（5）设有2—4个，对称设置在油缸（4）的周围，气缸（5）的上端通过气缸连通管（14）相互连通。
3.根据权利要求1所述的蓄能平衡式液压抽油机，其特征在于：所述的液压站（2）通过导线与控制柜（1）连接。
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CN111395998A (zh) * 2020-03-18 2020-07-10 安徽物迅科技有限公司 一种能量互补平衡式简易采油装置
CN114183097A (zh) * 2021-12-23 2022-03-15 安徽物迅科技有限公司 一种重载抽油机

Citations (6)

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Publication number Priority date Publication date Assignee Title
RU2412335C1 (ru) * 2009-10-14 2011-02-20 Общество с ограниченной ответственностью Научно-производственная фирма "Пакер" Скважинная насосная установка с пакером для добычи нефти в осложненных условиях
CN202031549U (zh) * 2011-04-02 2011-11-09 中国石油大学(华东) 海上平台用气平衡液压抽油机
CN203559881U (zh) * 2013-12-05 2014-04-23 中国石油大学(华东) 气平衡式液压抽油机
CN203808942U (zh) * 2014-03-27 2014-09-03 雍生才 新型节能抽油机
CN204492769U (zh) * 2015-01-20 2015-07-22 山东隆源液压科技有限公司 一种液压抽油机
CN205936540U (zh) * 2016-08-23 2017-02-08 山东威马泵业股份有限公司 蓄能平衡式液压抽油机

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2412335C1 (ru) * 2009-10-14 2011-02-20 Общество с ограниченной ответственностью Научно-производственная фирма "Пакер" Скважинная насосная установка с пакером для добычи нефти в осложненных условиях
CN202031549U (zh) * 2011-04-02 2011-11-09 中国石油大学(华东) 海上平台用气平衡液压抽油机
CN203559881U (zh) * 2013-12-05 2014-04-23 中国石油大学(华东) 气平衡式液压抽油机
CN203808942U (zh) * 2014-03-27 2014-09-03 雍生才 新型节能抽油机
CN204492769U (zh) * 2015-01-20 2015-07-22 山东隆源液压科技有限公司 一种液压抽油机
CN205936540U (zh) * 2016-08-23 2017-02-08 山东威马泵业股份有限公司 蓄能平衡式液压抽油机

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