CN105275786A - Oil well pump for ultra-deep oil well - Google Patents
Oil well pump for ultra-deep oil well Download PDFInfo
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- CN105275786A CN105275786A CN201410307636.0A CN201410307636A CN105275786A CN 105275786 A CN105275786 A CN 105275786A CN 201410307636 A CN201410307636 A CN 201410307636A CN 105275786 A CN105275786 A CN 105275786A
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- valve
- oil
- plunger
- pump
- oil well
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Abstract
The invention provides an oil well pump for an ultra-deep oil well. The oil well pump for the ultra-deep oil well comprises a pulling rod, a sliding block, an upper connector, a valve cover, a closed valve cover, a traveling-valve valve ball, a traveling-valve valve seat, a plunger, a thick-wall pump cylinder, a first supporting seat pipe plug, an oil tube, an oil tube coupling, a lower connector, a pump cylinder valve cover, a fixed-valve valve ball, a fixed-valve valve base, a second supporting seat pipe plug, an oil tube lengthening coupling and an adapter connector. The pulling rod is connected with a sucker rod of a pumping unit. The sliding block is connected with the upper connector. The upper connector is connected with the oil tube. The oil tube is arranged at the bottom of the oil well pump. The thick-wall pump cylinder is arranged above the oil tube. The valve cover, the closed valve cover, the traveling-valve valve ball, the traveling-valve valve seat, the plunger and the first supporting seat pipe plug are all arranged above the thick-wall pump cylinder. According to the oil well pump for the ultra-deep oil well, the performance is reliable, the adaptability is high, requirements for the production and technical design of a deep well and a deepened pump-hanging oil well are met, the using reliability of the oil well pump is improved, failures of the oil well pump is reduced, and inspection operation loss caused by the failure of the oil well pump is reduced.
Description
Technical field
The present invention is specifically related to a kind of ultra-deep oil-well pump of oil well.
Background technique
In the old block in some oil fields, because the oil well that liquid level is low, pump efficiency is low, yield poorly increases gradually, such oil well is easy to take out to come up oil, easily causes waste, and the degree of depth of traditional dark oil-well pump of oil well not enough, causes serious waste.
Summary of the invention
The object of the invention is, for solving above-mentioned deficiency, to provide a kind of ultra-deep oil-well pump of oil well.
The object of the invention is to be achieved through the following technical solutions:
A kind of ultra-deep oil-well pump of oil well, comprises pull bar, slide block, upper connection, valve bonnet, closed cage, traveling valve valve ball, traveling valve valve seat, plunger, heavy wall pump barrel, first bearing pipe close, oil pipe, tubing coupling, lower contact, pump barrel valve bonnet, standing valve valve ball, standing valve valve seat, second bearing pipe close, oil pipe lengthens box cupling and variable buckle joint, and pull bar is connected with the sucker rod of pumping unit, slide block connection upper connection, upper connection connected pipes, oil pipe in the bottom of oil well pump, heavy wall pump barrel above oil pipe, valve bonnet, closed cage, traveling valve valve ball, traveling valve valve seat, plunger, first bearing pipe close is all above heavy wall pump barrel, valve bonnet connects closed cage, traveling valve valve ball is above closed cage, traveling valve valve seat connects closed cage, plunger connects traveling valve valve seat, first bearing pipe close connects heavy wall pump barrel, tubing coupling connected pipes, lower contact connected pipes box cupling, pump barrel valve bonnet connects lower contact, and standing valve valve ball is above pump barrel valve bonnet, standing valve valve seat connects pump barrel valve bonnet, second bearing pipe close is connected and fixed valve base, and oil pipe lengthens box cupling and connects pump barrel valve bonnet, variable buckle joint union tail.
The present invention also has some technical characteristicss like this:
Described plunger adopts two closed cage structure, and the two closed cage of plunger comprises open cage, plunger connector and internal thread plunger, and open cage connects plunger connector, and plunger connector connects internal thread plunger, and internal thread plunger connects closed cage.
Described heavy wall pump barrel adopts chromium plating hardening process to improve pump barrel intensity.
Described standing valve adopts double standing valve to improve reliability.
Described plunger adopts high hardness powder spray welding hardening process, design hardness >=62HRC, spray-welding coating thickness G reatT.GreaT.GT=0.28mm.
The present invention has effect useful as follows:
Reliable performance of the present invention, strong adaptability, meets deep-well, deepens the life of pump extension oil well
The requirement of product and technological design, the pump detection and workover loss improving oil well pump operational safety, reduce oil well pump fault and caused by oil well pump fault.
Accompanying drawing explanation
Fig. 1 is first half overall structure schematic diagram of the present invention;
Fig. 2 is latter half of overall structure schematic diagram of the present invention;
Fig. 3 is the two closed cage structural representation of plunger of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated:
embodiment 1
A kind of ultra-deep oil-well pump of oil well, comprises pull bar 1, slide block 2, upper connection 3, valve bonnet 4, closed cage 5, traveling valve valve ball 6, traveling valve valve seat 7, plunger 8, heavy wall pump barrel 9, first bearing pipe close 10, oil pipe 11, tubing coupling 12, lower contact 13, pump barrel valve bonnet 14, standing valve valve ball 15, standing valve valve seat 16, second bearing pipe close 17, oil pipe lengthens box cupling 18 and variable buckle joint 19, and it is characterized in that: pull bar 1 is connected with the sucker rod of pumping unit, slide block 2 connects upper connection 3, upper connection 3 connected pipes 11, oil pipe 11 in the bottom of oil well pump, heavy wall pump barrel 9 above oil pipe 11, valve bonnet 4, closed cage 5, traveling valve valve ball 6, traveling valve valve seat 7, plunger 8, first bearing pipe close 10 is all above heavy wall pump barrel 9, valve bonnet 4 connects closed cage 5, traveling valve valve ball 6 is above closed cage 5, traveling valve valve seat 7 connects closed cage 5, plunger 8 connects traveling valve valve seat 7, first bearing pipe close 10 connects heavy wall pump barrel 9, tubing coupling 12 connected pipes 11, lower contact 13 connected pipes box cupling 12, pump barrel valve bonnet 14 connects lower contact 13, standing valve valve ball 15 is above pump barrel valve bonnet 14, and standing valve valve seat 16 connects pump barrel valve bonnet 14, second bearing pipe close 17 and is connected and fixed valve base 16, oil pipe lengthens box cupling 18 and connects pump barrel valve bonnet 14, variable buckle joint 19 union tail, described plunger 8 adopts two closed cage structure, and the two closed cage of plunger comprises open cage 20, plunger connector 21 and internal thread plunger 22, open cage 20 connects plunger connector 21, plunger connector 21 connects internal thread plunger 22, internal thread plunger 22 connects closed cage 5, described heavy wall pump barrel adopts chromium plating hardening process to improve pump barrel intensity, and described standing valve adopts double standing valve to improve reliability, and described plunger adopts high hardness powder spray welding hardening process, design hardness >=62HRC, spray-welding coating thickness G reatT.GreaT.GT=0.28mm.
embodiment 2
Working procedure: during upstroke, pumping unit drives pull bar thus drives plunger to move upward,
Traveling valve valve ball, traveling valve valve seat are closed, and the liquid above plunger is by lifting, and in this process, form vacuum between traveling valve and standing valve valve ball, standing valve valve seat, the liquid in tail pipe is pushed standing valve valve ball open and enters wherein, completes imbibition action.During down stroke, rod string pushing drawing rod moves down, and now standing valve valve ball is closed, and travelling valve ball is opened, and in pump barrel, liquid enters plunger upper part.
embodiment 3
In plunger open cage, do not fill valve ball, to reduce the fracture accident of plunger open cage, adopt two closed cage structure.Connect 2 closed cages in the bottom of plunger, or respectively connect 1 closed cage in the top and the bottom of plunger, plunger open cage only plays fluid flow paths effect, no longer bears the impact force of valve ball, improves the force-bearing situation of plunger open cage.When closed cage designs, ball chamber, flow path groove transition region be designed to circular arc or seamlessly transit as far as possible, concentrating to reduce stress; Reduce the gap in valve ball and ball chamber, reduce the move swiftly amount of valve ball in ball chamber, thus reduce valve ball to the shock degree in ball chamber.
Claims (5)
1. a ultra-deep oil-well pump of oil well, comprises pull bar (1), slide block (2), upper connection (3), valve bonnet (4), closed cage (5), traveling valve valve ball (6), traveling valve valve seat (7), plunger (8), heavy wall pump barrel (9), first bearing pipe close (10), oil pipe (11), tubing coupling (12), lower contact (13), pump barrel valve bonnet (14), standing valve valve ball (15), standing valve valve seat (16), second bearing pipe close (17), oil pipe lengthens box cupling (18) and variable buckle joint (19), it is characterized in that: pull bar (1) is connected with the sucker rod of pumping unit, slide block (2) connects upper connection (3), upper connection (3) connected pipes (11), oil pipe (11) is in the bottom of oil well pump, heavy wall pump barrel (9) in the top of oil pipe (11), valve bonnet (4), closed cage (5), traveling valve valve ball (6), traveling valve valve seat (7), plunger (8), first bearing pipe close (10) is all in the top of heavy wall pump barrel (9), valve bonnet (4) connects closed cage (5), traveling valve valve ball (6) is in closed cage (5) top, traveling valve valve seat (7) connects closed cage (5), plunger (8) connects traveling valve valve seat (7), first bearing pipe close (10) connects heavy wall pump barrel (9), tubing coupling (12) connected pipes (11), lower contact (13) connected pipes box cupling (12), pump barrel valve bonnet (14) connects lower contact (13), standing valve valve ball (15) is in pump barrel valve bonnet (14) top, standing valve valve seat (16) connects pump barrel valve bonnet (14), second bearing pipe close (17) is connected and fixed valve base (16), and oil pipe lengthens box cupling (18) and connects pump barrel valve bonnet (14), variable buckle joint (19) union tail.
2. a kind of ultra-deep oil-well pump of oil well as claimed in claim 1, it is characterized in that: described plunger (8) adopts two closed cage structure, the two closed cage of plunger comprises open cage (20), plunger connector (21) and internal thread plunger (22), open cage (20) connects plunger connector (21), plunger connector (21) connects internal thread plunger (22), and internal thread plunger (22) connects closed cage (5).
3. a kind of ultra-deep oil-well pump of oil well as claimed in claim 1, is characterized in that: described heavy wall pump barrel adopts chromium plating hardening process to improve pump barrel intensity.
4. a kind of ultra-deep oil-well pump of oil well as claimed in claim 1, is characterized in that: described standing valve adopts double standing valve to improve reliability.
5. a kind of ultra-deep oil-well pump of oil well as claimed in claim 1 or 2, is characterized in that: described plunger adopts high hardness powder spray welding hardening process, design hardness >=62HRC, spray-welding coating thickness G reatT.GreaT.GT=0.28mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410307636.0A CN105275786A (en) | 2014-07-01 | 2014-07-01 | Oil well pump for ultra-deep oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410307636.0A CN105275786A (en) | 2014-07-01 | 2014-07-01 | Oil well pump for ultra-deep oil well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105275786A true CN105275786A (en) | 2016-01-27 |
Family
ID=55145402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410307636.0A Pending CN105275786A (en) | 2014-07-01 | 2014-07-01 | Oil well pump for ultra-deep oil well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105275786A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542439A (en) * | 2022-02-21 | 2022-05-27 | 山东立鑫石油机械制造有限公司 | Double-acting fixed valve oil pump for ultra-thick oil horizontal well |
| WO2024139396A1 (en) * | 2022-12-27 | 2024-07-04 | 中国石油天然气股份有限公司 | Downhole data transmission method |
-
2014
- 2014-07-01 CN CN201410307636.0A patent/CN105275786A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542439A (en) * | 2022-02-21 | 2022-05-27 | 山东立鑫石油机械制造有限公司 | Double-acting fixed valve oil pump for ultra-thick oil horizontal well |
| CN114542439B (en) * | 2022-02-21 | 2024-02-23 | 山东立鑫石油机械制造有限公司 | Double-acting fixed valve oil pump for super heavy oil horizontal well |
| WO2024139396A1 (en) * | 2022-12-27 | 2024-07-04 | 中国石油天然气股份有限公司 | Downhole data transmission method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160127 |
|
| WD01 | Invention patent application deemed withdrawn after publication |