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注汽热采一次管柱泵
简 介：
注汽抽油泵是针对稠油举升特点而研制的，该泵的正常工作过程与普通泵不同之处在于可以用于斜井、水平井等特殊井况。当需要注汽时，将抽油杆上提，则柱塞也随之上提，当柱塞高于密封筒约200mm的位置时，密封筒上的注汽孔与上部油管管柱联通，即可进行注汽作业。
注汽作业完成后，将抽油杆回落，柱塞也随之回落到工作位置。此时，柱塞进入泵筒之内并将注汽孔封住，经过调整防冲距离后，抽油泵系统即可进入工作状态。
该泵与整筒管式抽油泵下泵作业方式相同。
Steam injection pump is developed according to the characteristics of the heavy oil lifting, the difference of the normal work process of this pump from the common pump is that it can be used for special well conditions, such as deviated well and horizontal well etc. When steam injection, lifting the sucker rod, the plunger will lift accordingly, when the plunger is higher than the sealed chamber about 200 mm, the steam injection hole of the sealing tube and the upper tubing string will be linked together, thus steam injection operation can be achieved.
After the completion of the steam injection operation, the sucker rod fall back, the plunger will also be back to work location. At this point, the plunger enter the pump barrel and seal the steam injection hole, after adjust the impingement distance, sucker rod pump system can return to the working state.
The operation mode of this kind of pump is the same as subsurface tubing pump.
技术参数：
|
泵径 Pump bore （mm） |
柱塞长度 Length of plunger （m） |
泵筒长度 Length of barrel （m） |
联接油管规范 Size of connecting Tubing （in） |
冲程范围 Range of Stroke （m） |
泵常数 Pump constant |
联接抽油杆规范 Size of connecting sucker rod |
最大外径 Max outside diameter （mm） |
|
44 |
|
|
2 7/8 TBG |
|
2.233 |
CYG19 |
88.5 |
|
57 |
4.2～7.8 |
1.2+1.2 |
2 7/8 TBG |
3.0～6.0 |
3.692 |
CYG19 |
88.5 |
|
70 |
|
|
3 1/2 TBG |
|
5.515 |
CYG22 |
108 |
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