CN208918802U - Corrosion-resistant wear-resistant oil pump - Google Patents
Corrosion-resistant wear-resistant oil pump Download PDFInfo
- Publication number
- CN208918802U CN208918802U CN201821511620.1U CN201821511620U CN208918802U CN 208918802 U CN208918802 U CN 208918802U CN 201821511620 U CN201821511620 U CN 201821511620U CN 208918802 U CN208918802 U CN 208918802U
- Authority
- CN
- China
- Prior art keywords
- box cupling
- pump barrel
- pump
- assembly
- outer tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses corrosion-resistant wear-resistant oil pumps, including rod collar, sucker rod, sub-coupling, upper exterior tube, upper box cupling, upper pipe nipple, first pump barrel box cupling, first outer tube box cupling, upper pump barrel, lower outer pipe, second pump barrel box cupling, assembly for plunger, lower pump barrel, second outer tube box cupling, first reducer union, hollow tube, upper fixed valve assembly, lower fixed valve assembly and the second reducer union, the rod collar is mounted on one end of sucker rod, the sucker rod is through sub-coupling, upper pipe nipple, upper pump barrel and assembly for plunger, it is connected between the upper exterior tube and upper pipe nipple by upper box cupling, the upper exterior tube is set in one end of sub-coupling.The utility model, by the cooperation between the structures such as above-mentioned, for the characteristic of oil well corrosive medium situation and oil well pump, anti-corrosion intensive treatment has been carried out to oil well pump main parts size, to pass through oil-well pump anti-corrosive effect significantly, and then extend the service life of oil well pump.
Description
Technical field
The utility model relates to pump technical fields of pumping, specially corrosion-resistant wear-resistant oil pump.
Background technique
Anticorrosion antiwear pump is that it is resistance to carry out surface anticorrosion to oil well pump main parts size according to oil well corrosion medium condition
The oil well pump for grinding intensive treatment and manufacturing can effectively prevent H2S in general oil well by the oil well pump of intensive treatment, CO2, O2
The corrosion and abrasion of equal corrosive mediums and sand to oil well pump.And prevent CO_2 stimulation, carbon dioxide drive and acid
Corrosion and abrasion when dissolving stifled oil well to oil well pump, the oil well pump is longer than universal oil well pump service life, to extend pumping
The service life of oil pump is the ideal chose of conventional oil well, the oil well containing corrosive media.But traditional oil-well pump anti-corrosive effect is not
It is good, to greatly reduce the service life of oil well pump.
Utility model content
The purpose of this utility model is to provide corrosion-resistant wear-resistant oil pump, have for oil well corrosive medium situation and pumping
The characteristic of oil pump has carried out anti-corrosion intensive treatment to oil well pump main parts size, thus passed through oil-well pump anti-corrosive effect significantly,
And then the advantages of extending oil well pump service life, it is ineffective to solve traditional oil-well pump anti-corrosive, to greatly reduce
The problem of oil well pump service life.
To achieve the above object, the utility model provides the following technical solutions: corrosion-resistant wear-resistant oil pump, including sucker rod connect
It is hoop, sucker rod, sub-coupling, upper exterior tube, upper box cupling, upper pipe nipple, the first pump barrel box cupling, the first outer tube box cupling, upper pump barrel, lower outer
Pipe, the second pump barrel box cupling, assembly for plunger, lower pump barrel, the second outer tube box cupling, the first reducer union, hollow tube, upper fixed valve are total
It is mounted on one end of sucker rod at, lower fixed valve assembly and the second reducer union, the rod collar, the sucker rod runs through
In sub-coupling, upper pipe nipple, upper pump barrel and assembly for plunger, it is connected between the upper exterior tube and upper pipe nipple by upper box cupling, institute
One end that upper exterior tube is set in sub-coupling is stated, is connected between the upper exterior tube and upper pipe nipple by upper box cupling, it is described outer
It is connected between pipe and lower outer pipe by the first outer tube box cupling, passes through the first pump barrel box cupling phase between the upper pipe nipple and upper pump barrel
Connection, is connected between the upper pump barrel and lower pump barrel by the second outer tube box cupling, is led between the lower outer pipe and reducer union
It crosses the second outer tube box cupling to be connected, the assembly for plunger is actively installed in lower pump barrel cylinder and is set on the lever arm of sucker rod, institute
It states and is connected between the first reducer union and the second reducer union by hollow tube, fixed valve assembly and lower fixed valve are total
It is connected between by the second reducer union.
Preferably, the sub-coupling, upper box cupling, the first pump barrel box cupling, the first outer tube box cupling, the second pump barrel box cupling and
The material of two outer tube box cuplings is 35CrMO or 40Cr nickel phosphor plating alloy.
Preferably, equal chromium plating or nickel-phosphorus alloy plating inside and outside the cylinder of the upper pump barrel and lower pump barrel.
Preferably, the material of the assembly for plunger, upper fixed valve assembly and valve bonnet, cylinder and connector in lower fixed valve assembly
Matter is that the material of 20Cr13 and valve ball and valve seat is respectively YG8 and YG13.
Compared with prior art, the beneficial effects of the utility model are as follows:
One, the utility model is connect by sub-coupling, upper box cupling, the first pump barrel box cupling, the first outer tube box cupling, the second pump barrel
The material of hoop and the second outer tube box cupling is the setting of 35CrMO or 40Cr nickel phosphor plating alloy, using 35CrMo 40Cr nickel phosphorus
Alloy plating reinforcement process replaces surface oxidation or phosphorating treatment, significantly improves its corrosion resistance.
Two, the utility model passes through chromium plating equal inside and outside the cylinder of upper pump barrel and lower pump barrel or the setting of nickel-phosphorus alloy plating, root
It is strong and weak according to oil well corrosive medium and corrosivity, nickel-phosphorus alloy plating or chromium intensive treatment are used to pump barrel inner and outer surfaces.It is conventional anti-
Corruption pump, only strengthens pump barrel inner surface, and Special Corrosion oil well integrally carries out nickel phosphor plating intensive treatment to pump barrel, makes inside and outside it
Surface corrosion resistance having the same.
Three, the utility model by assembly for plunger, upper fixed valve assembly and valve bonnet in lower fixed valve assembly, cylinder and connects
The material of head is that the material of 20Cr and valve ball and valve seat is respectively the setting of YG8 and YG13, by pervious 35CrMo (surface nickel
Phosphorus plating) 20Cr13 is changed to through mechanical performance intensive treatment, its corrosion resistance, and YG8 and YG13 alloy material are improved, is prevented
Rotten performance is more preferably.
In conclusion having the characteristic for oil well corrosive medium situation and oil well pump, to oil well pump main parts size
Anti-corrosion intensive treatment has been carried out, to pass through oil-well pump anti-corrosive effect significantly, and then has extended the service life of oil well pump, has been solved
Traditional oil-well pump anti-corrosive of having determined is ineffective, thus the problem of greatly reducing oil well pump service life.
Detailed description of the invention
Fig. 1 is the front schematic view of the utility model structure；
Fig. 2 is the front enlarged drawing of a part of structure in the utility model Fig. 1；
Fig. 3 is the front enlarged drawing of another part structure in the utility model Fig. 1.
In figure: 1- rod collar, 2- sucker rod, 3- sub-coupling, 4- upper exterior tube, the upper box cupling of 5-, the upper pipe nipple of 6-, 7-
One pump barrel box cupling, the first outer tube of 8- box cupling, the upper pump barrel of 9-, 10- lower outer pipe, the second pump barrel of 11- box cupling, 12- assembly for plunger, 13-
Lower pump barrel, the first reducer union of 15-, 16- hollow tube, fixes fixed valve under valve assembly, 18- on 17- at the second outer tube of 14- box cupling
Assembly, the second reducer union of 19-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to Fig.1 to Fig.3, the utility model provides a kind of technical solution: corrosion-resistant wear-resistant oil pump, including sucker rod connect
Hoop 1, sucker rod 2, sub-coupling 3, upper exterior tube 4, upper box cupling 5, upper pipe nipple 6, the first pump barrel box cupling 7, the first outer tube box cupling 8, on
Pump barrel 9, lower outer pipe 10, the second pump barrel box cupling 11, assembly for plunger 12, lower pump barrel 13, the second outer tube box cupling 14, the first reducer union
15, hollow tube 16, upper fixed valve assembly 17, lower fixed valve assembly 18 and the second reducer union 19, rod collar 1 are mounted on pumping
One end of beam hanger 2, sucker rod 2 is through sub-coupling 3, upper pipe nipple 6, upper pump barrel 9 and assembly for plunger 12, upper exterior tube 4 and upper short
It is connected between section 6 by upper box cupling 5, upper exterior tube 4 is set in one end of sub-coupling 3, leads between upper exterior tube 4 and upper pipe nipple 6
It crosses box cupling 5 to be connected, be connected between upper exterior tube 4 and lower outer pipe 10 by the first outer tube box cupling 8, upper pipe nipple 6 and upper pump barrel 9
Between be connected by the first pump barrel box cupling 7, be connected between upper pump barrel 9 and lower pump barrel 13 by the second outer tube box cupling 14, under
It is connected between outer tube 10 and reducer union 15 by the second outer tube box cupling 14, assembly for plunger 12 is actively installed in lower pump barrel 13
And be set on the lever arm of sucker rod 2, it is connected between the first reducer union 15 and the second reducer union 19 by hollow tube 16,
Be connected between upper fixed valve assembly 17 and lower fixed valve assembly 18 by the second reducer union 19, sub-coupling 3, upper box cupling 5,
First pump barrel box cupling 7, the first outer tube box cupling 8, the second pump barrel box cupling 11 and the second outer tube box cupling 14 material be 35CrMO or
40Cr nickel phosphor plating alloy replaces surface oxidation or phosphorating treatment using 35CrMo 40Cr nickel phosphor plating alloy strengthening technique, makes
Its corrosion resistance significantly improves；Equal chromium plating or nickel-phosphorus alloy plating inside and outside the cylinder of upper pump barrel 9 and lower pump barrel 13, according to oil well corruption
It loses medium and corrosivity is strong and weak, nickel-phosphorus alloy plating or chromium intensive treatment are used to pump barrel inner and outer surfaces.Conventional corrosion protection pump, only
Pump barrel inner surface is strengthened, Special Corrosion oil well integrally carries out nickel phosphor plating intensive treatment to pump barrel, has its surfaces externally and internally
Identical corrosion resistance；Valve bonnet, cylinder and connector in assembly for plunger 12, upper fixed valve assembly 17 and lower fixed valve assembly 18
Material be the material of 20Cr13 and valve ball and valve seat be respectively YG8 and YG13, by pervious 35CrMo (surface nickel phosphor plating
Reason) 20Cr13 is changed to through mechanical performance intensive treatment, improve its corrosion resistance, and YG8 and YG13 alloy material, antiseptic property
More preferably.
In conclusion having the characteristic for oil well corrosive medium situation and oil well pump, to oil well pump main parts size
Anti-corrosion intensive treatment has been carried out, to pass through oil-well pump anti-corrosive effect significantly, and then has extended the service life of oil well pump, has been solved
Traditional oil-well pump anti-corrosive of having determined is ineffective, thus the problem of greatly reducing oil well pump service life.
Working principle: the corrosion-resistant wear-resistant oil pump, by sub-coupling 3, upper box cupling 5, the first pump barrel box cupling 7, first outside
The material of pipe box cupling 8, the second pump barrel box cupling 11 and the second outer tube box cupling 14 is the setting of 35CrMO or 40Cr nickel phosphor plating alloy,
Surface oxidation or phosphorating treatment are replaced using 35CrMo 40Cr nickel phosphor plating alloy strengthening technique, keep its corrosion resistance significant
It improves；By chromium plating equal inside and outside the cylinder of upper pump barrel 9 and lower pump barrel 13 or the setting of nickel-phosphorus alloy plating, according to oil well corrosive medium
And corrosivity is strong and weak, uses nickel-phosphorus alloy plating or chromium intensive treatment to pump barrel inner and outer surfaces.Conventional corrosion protection pump, only to pump barrel
Inner surface is strengthened, and Special Corrosion oil well integrally carries out nickel phosphor plating intensive treatment to pump barrel, keeps its surfaces externally and internally having the same
Corrosion resistance；Pass through valve bonnet in assembly for plunger 12, upper fixed valve assembly 17 and lower fixed valve assembly 18, cylinder and connector
Material is that the material of 20Cr13 and valve ball and valve seat is respectively the setting of YG8 and YG13, by pervious 35CrMo (surface nickel phosphorus
Plating) 20Cr13 is changed to through mechanical performance intensive treatment, improve its corrosion resistance, and YG8 and YG13 alloy material, anti-corrosion
Performance is more preferably.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. corrosion-resistant wear-resistant oil pump, it is characterised in that including rod collar (1), sucker rod (2), sub-coupling (3), upper exterior tube
(4), upper box cupling (5), upper pipe nipple (6), the first pump barrel box cupling (7), the first outer tube box cupling (8), upper pump barrel (9), lower outer pipe (10),
Second pump barrel box cupling (11), assembly for plunger (12), lower pump barrel (13), the second outer tube box cupling (14), the first reducer union (15), in
Blank pipe (16), upper fixed valve assembly (17), lower fixed valve assembly (18) and the second reducer union (19), the rod collar
(1) be mounted on one end of sucker rod (2), the sucker rod (2) through sub-coupling (3), upper pipe nipple (6), upper pump barrel (9) and
Assembly for plunger (12) is connected between the upper exterior tube (4) and upper pipe nipple (6) by upper box cupling (5), upper exterior tube (4) set
Be located at one end of sub-coupling (3), be connected between the upper exterior tube (4) and upper pipe nipple (6) by upper box cupling (5), it is described on
It is connected between outer tube (4) and lower outer pipe (10) by the first outer tube box cupling (8), between the upper pipe nipple (6) and upper pump barrel (9)
It is connected by the first pump barrel box cupling (7), passes through second outer tube box cupling (14) phase between the upper pump barrel (9) and lower pump barrel (13)
Connection is connected between the lower outer pipe (10) and reducer union (15) by the second outer tube box cupling (14), the assembly for plunger
(12) it is actively installed in lower pump barrel (13) cylinder and is set on the lever arm of sucker rod (2), first reducer union (15) and the
It is connected between two reducer unions (19) by hollow tube (16), fixed valve assembly (17) and lower fixed valve assembly (18)
Between be connected by the second reducer union (19).
2. corrosion-resistant wear-resistant oil pump according to claim 1, it is characterised in that: the sub-coupling (3), upper box cupling (5),
First pump barrel box cupling (7), the first outer tube box cupling (8), the second pump barrel box cupling (11) and the second outer tube box cupling (14) material be
35CrMO or 40Cr nickel phosphor plating alloy.
3. corrosion-resistant wear-resistant oil pump according to claim 1, it is characterised in that: the upper pump barrel (9) and lower pump barrel (13)
Cylinder inside and outside chromium plating or nickel-phosphorus alloy plating.
4. corrosion-resistant wear-resistant oil pump according to claim 1, it is characterised in that: the assembly for plunger (12), upper fixed valve
The material of assembly (17) and valve bonnet in lower fixed valve assembly (18), cylinder and connector is the material of 20Cr13 and valve ball and valve seat
Matter is respectively YG8 and YG13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821511620.1U CN208918802U (en) | 2018-09-17 | 2018-09-17 | Corrosion-resistant wear-resistant oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821511620.1U CN208918802U (en) | 2018-09-17 | 2018-09-17 | Corrosion-resistant wear-resistant oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208918802U true CN208918802U (en) | 2019-05-31 |
Family
ID=66705759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821511620.1U Active CN208918802U (en) | 2018-09-17 | 2018-09-17 | Corrosion-resistant wear-resistant oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208918802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718853A (en) * | 2022-04-07 | 2022-07-08 | 山东立鑫石油机械制造有限公司 | Pull rod pump for pumping super heavy oil horizontal well |
-
2018
- 2018-09-17 CN CN201821511620.1U patent/CN208918802U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718853A (en) * | 2022-04-07 | 2022-07-08 | 山东立鑫石油机械制造有限公司 | Pull rod pump for pumping super heavy oil horizontal well |
| CN114718853B (en) * | 2022-04-07 | 2023-06-27 | 山东立鑫石油机械制造有限公司 | Pull rod pump for pumping ultra-thick oil horizontal well |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208918802U (en) | Corrosion-resistant wear-resistant oil pump | |
| CN202039785U (en) | Durable drill pipe joint with ultrahigh torsional strength | |
| CN205781550U (en) | A kind of anti-corrosion pipeline attachment structure | |
| CN202031494U (en) | Novel high-wear-resistant centering device of sucker rod | |
| CN204716531U (en) | The anticorrosive plunger of matrix thread type | |
| CN210564386U (en) | Take anticorrosive sucker rod of full cladding of stainless steel joint | |
| CN205638258U (en) | Wear -resisting anticorrosive sucker rod connector, oil pipe connector | |
| CN2595982Y (en) | Oil pipe with joint having male and female thread | |
| CN216617448U (en) | Cladding type anticorrosion sucker rod | |
| CN205172459U (en) | Oily casing coupling of antiseized knot anticorrosives | |
| CN2779036Y (en) | Screw-threaded drilling rod | |
| CN210890515U (en) | Long service life's reducing joint | |
| CN212577050U (en) | Novel rubber tube with high-pressure injection device | |
| CN201943592U (en) | Novel external thickening oil pipe and sleeve | |
| CN210769262U (en) | High-strength anti-corrosion deep well oil pump | |
| CN215108778U (en) | Anticorrosion sucker rod | |
| CN206190272U (en) | Seperated layer water injection of glass steel is managed in pit | |
| CN204082030U (en) | A kind of air sealed threaded sleeve joint | |
| CN210564387U (en) | Anti-corrosion sucker rod with stainless steel joint | |
| CN214576805U (en) | Welding drill rod capable of improving flow rate of slurry | |
| CN115709159B (en) | Preparation method of high-performance screw thread for oil and gas field | |
| CN210013691U (en) | Airtight connection inside lining anti-corrosion oil pipe | |
| CN2695604Y (en) | Sucker rod coupling wrapped with special engineering playstic layer | |
| CN220980361U (en) | Novel top-mounted throttle valve | |
| CN219012520U (en) | High-strength internal-leveling reinforced sealing oil pipe threaded joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |