CN209083545U - A kind of oil-well pump anti-corrosive apparatus - Google Patents
A kind of oil-well pump anti-corrosive apparatus Download PDFInfo
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- CN209083545U CN209083545U CN201821426778.9U CN201821426778U CN209083545U CN 209083545 U CN209083545 U CN 209083545U CN 201821426778 U CN201821426778 U CN 201821426778U CN 209083545 U CN209083545 U CN 209083545U
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- fuel
- pipe nipple
- oil
- intubation
- displaced pipe
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Abstract
The utility model provides a kind of oil-well pump anti-corrosive apparatus, including fuel-displaced pipe nipple, duplex fitting, intubation, the fuel-displaced pipe nipple lower end connects duplex fitting, the duplex fitting opens up Produced Liquid channel and lubrication anti-corrosion channel, the lubrication anti-corrosion channel of the intubation lower end connection duplex fitting, intubation upper end is then protruded into fuel-displaced pipe nipple, and intubation forms annular space with fuel-displaced pipe nipple.Produced Liquid channel lower end is connected to plunger body space, and Produced Liquid channel upper end is connected to fuel-displaced pipe nipple inner cavity.The lubrication anti-corrosion one end of the channel connection intubation lower port, the other end are connected to duplex fitting outer exterior wall.The fuel-displaced pipe nipple opens up radial output hole, and the intubation upper port is higher than output hole, while being intubated upper port lower than fuel-displaced pipe nipple upper port.
Description
Technical field
The utility model relates to oil-well pump anti-corrosive technology, especially a kind of oil-well pump anti-corrosive apparatus.
Background technique
In oil well pump course of normal operation, oil film will form in the gap of plunger and pump barrel, play lubrication antisepsis.
But as oil field development enters the middle and later periods, Produced Liquid water content is increased, and the gap between plunger and pump barrel is unable to get crude oil
Lubrication, coefficient of friction increases, to exacerbate oil well pump corrosive wear, reduces the oil well pump lifting service life.
About oil-well pump anti-corrosive, there are two types of current main ways: one is use chromium plating, nickel phosphor plating, surfacing, coating etc.
Process for treating surface realizes anti-corrosion, but its anti-corrosion period and process of surface treatment level, thickness of coating, coating layer thickness etc. are related,
There are still because of oil well pump Problem of Failure caused by pump plunger and barrel corrosive wear in applying at the scene, anti-corrosion effect has to be strengthened；Separately
One is require using special material (such as nonmetallic materials, copper pump barrel), but to heatproof, corrosion-resistant, wear-resisting, tensile strength
It is higher, at high cost, live bad adaptability.
Application number: 201520782223.8, be used for rotational flow pipe type anti-corrosion anti-scale oil well pump, including box cupling on pump line, the pump housing,
Fixed valve, box cupling, the pump housing, fixed valve are sequentially connected on the pump line, are equipped with internal screw thread plunger by pump barrel in the pump housing,
The fixed valve includes standing valve cover, and the right end of the standing valve cover is equipped with fixed valve union, the standing valve cover and fixation
Fixed valve base, fixed valve ball are installed, the fixed valve ball is located at the left end of the fixed valve base, the fixed valve between valve head
Fixed valve eddy flow head is also equipped on the inside of the left end of cover.The beneficial effect is that: prevent dirt from separating existing crystallization in liquid retention portion
Solidification extends oil well pump service life, improves pumping efficiency.
Application number: 201410095806.3, disclose a kind of wear-resisting oil well pump of antiseptic sand-proof, including pump barrel, pump barrel upper end
It is connected with upper pump barrel box cupling by screw thread, lower end is connected with fixed check valve by lower pump barrel box cupling, has axis in pump barrel and be somebody's turn to do
The plunger body of the axis of pump barrel on the same line, the upper/lower terminal of plunger body is connected with upper and lower travelling check valve respectively, described
Fixed check valve includes fixed valve base connector, and fixed valve base connector is connected with sand-proof pipe by screw thread, and the lower end of sand-proof pipe passes through spiral shell
Line is evenly equipped with fuel feed hole, sand resistant sleeve pipe, sand resistant sleeve is cased with outside the sand-proof pipe equipped with silk plug is sealed on the tube wall of the sand-proof pipe
Staggeredly be equipped with a form drag sand hole on the tube wall of pipe, the wide fuel feed hole less than on the sand control tube wall in the hole of form drag sand hole it is interior
Diameter.The wear-resisting oil well pump of antiseptic sand-proof using the above structure can more efficiently stop fine sand and other hard tiny
Particle enters in pump barrel, and then abrasion caused by mitigating the wall surface matched plunger body and pump barrel.
Application number: 200710162753.2, a kind of sacrificial anode and protective cathode-oil-well pump anti-corrosive apparatus, it is to utilize
The principle of electrochemistry sacrificial anode and protective cathode is designed to oil well pump anode with active metals such as zinc, lead, magnesium.Its manufacturing method
It is: first processes oil well pump pipe nipple by oil well pump technical specification, pipe nipple length is put into 400-500MM, then by oil well pump pipe nipple
Special bar type is intracavitary, and magnesium or aluminium or zinc metal block are melted into liquid by the method that heating dissolves, are then cast to special
Oil well pump pipe nipple type it is intracavitary, demoulded after molding, heat preservation, slow cooling, then be machined, coarse blank be processed into light
Sliding revolution, then oil well pump pipe nipple both ends screw thread process is good, it loads onto box cupling and has become oil well pump anode assembly.Installation method
It is that oil well pump anode is connected on oil well pump lower end box cupling, tightens box cupling button during lower oil well pump.
By retrieval, public technology scheme identical with the utility model is not found.
Utility model content
The purpose of the utility model is to provide a kind of oil-well pump anti-corrosive apparatus, change sealing pair using crude oil self enrichment principle
Between lubricant medium, realize sealing pair contact medium by water become oil, further increase oil-well pump anti-corrosive performance, can effectively solve to take out
Corrosive wear problem between fuel feed pump plunger and pump barrel extends pump detection period.
The purpose of this utility model can be achieved by the following technical measures:
The oil-well pump anti-corrosive apparatus includes fuel-displaced pipe nipple, duplex fitting, intubation, and the fuel-displaced pipe nipple lower end connection bilateral connects
Head, the duplex fitting open up Produced Liquid channel and lubrication anti-corrosion channel, and the lubrication of the intubation lower end connection duplex fitting is anti-
Rotten channel, intubation upper end are then protruded into fuel-displaced pipe nipple, and intubation forms annular space with fuel-displaced pipe nipple.
The purpose of this utility model can be also achieved by the following technical measures:
Produced Liquid channel lower end is connected to plunger body space, and Produced Liquid channel upper end is connected to fuel-displaced pipe nipple inner cavity.
The lubrication anti-corrosion one end of the channel connection intubation lower port, the other end are connected to duplex fitting outer exterior wall.
The fuel-displaced pipe nipple opens up radial output hole, and the intubation upper port is higher than output hole, while being intubated upper port
Lower than fuel-displaced pipe nipple upper port.
The fuel-displaced pipe nipple upper end connects plunger by rod connector connecting with pumping rod, the duplex fitting lower end.
The duplex fitting is identical as oil pump plunger piston outer diameter, forms clearance seal with pump barrel.
The utility model has the advantages that compared with prior art
High-water-cut oil-producing well Produced Liquid enters fuel-displaced pipe nipple by fuel-displaced runner, and gathers in fuel-displaced pipe nipple and intubation annular space
Collection, due to density variation, water-oil separating occurs for Produced Liquid, and the liquid rich in crude oil then concentrates on above annular space, reaches a certain amount of
When, crude oil enters sealing pair fit clearance by lubricating runner, plays the role of lubricating corrosion-resistant.
Oil pumping pump configuration is optimized using machine design method, oil well pump Crude Oil self enrichment is realized, changes between sealing pair
Lubricant medium realizes the automatic oil lubrication between oil pump sleeve and plunger；
Only need a small amount of crude oil that anti-corrosion lubrication can be realized, the anti-corrosion period is long, and processing cost is low.
The utility model is lifted applied to high water-cut well, and the corrosive wear that can effectively solve between oil pump plunger piston and pump barrel is asked
Topic extends pump detection period, reduces input cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is duplex fitting A-A sectional view.
In figure: rod connector 1, fuel-displaced pipe nipple 2, intubation 3, duplex fitting 4.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 to Fig. 2 is please referred to, the utility model provides a kind of technical solution: a kind of oil-well pump anti-corrosive apparatus, including it is fuel-displaced
Pipe nipple 2, duplex fitting 4, intubation 3, fuel-displaced 2 lower end of pipe nipple connect duplex fitting 4, and it is logical that the duplex fitting opens up Produced Liquid
Road II and lubrication anti-corrosion channel I, the lubrication anti-corrosion channel of 3 lower ends of intubation connection duplex fitting, intubation upper end is then protruded into out
In oily pipe nipple 2, intubation 3 forms annular space with fuel-displaced pipe nipple 2.
Produced Liquid channel lower end is connected to plunger body space, and Produced Liquid channel upper end is connected to fuel-displaced pipe nipple inner cavity.
The lubrication anti-corrosion one end of the channel connection intubation lower port, the other end are connected to duplex fitting outer exterior wall.
The fuel-displaced pipe nipple opens up radial output hole, and 3 upper ports of the intubation are higher than output hole, while being intubated 3 upper ends
Mouth is lower than fuel-displaced pipe nipple upper port.
The fuel-displaced pipe nipple upper end connects plunger by 1 connecting with pumping rod of rod connector, the duplex fitting lower end.
3 connection duplex fitting 4 of intubation；4 upper end of duplex fitting connects fuel-displaced pipe nipple 2, and lower end connects oil pump plunger piston；Bilateral
Connector 4 is identical as oil pump plunger piston outer diameter, forms clearance seal with pump barrel；Produced Liquid channel II and lubrication is arranged in duplex fitting 4
Anti-corrosion channel I, wherein Produced Liquid channel II is connected to plunger body, lubrication anti-corrosion channel I be connected to oil pump plunger piston pump barrel it
Between gap；Fuel-displaced 2 lower part of pipe nipple is equipped with output hole, and the upper end passes through 1 connecting with pumping rod of rod connector.
The plunger body space, Produced Liquid channel II, fuel-displaced pipe nipple 2, fuel-displaced pipe nipple 2 and the annulus space of pump barrel are constituted
Fuel-displaced runner.
Gap that 3 inner spaces of the intubation, lubrication anti-corrosion channel I, duplex fitting 4 are formed with pump barrel, plunger pump barrel are matched
It closes gap and constitutes lubrication runner.
The oil recovery process of the utility model is consistent with common oil well pump, and lubrication anticorrosive work process is that high-water-cut oil-producing well is adopted
Liquid enters the Produced Liquid channel of duplex fitting by plunger out, is then upwardly into fuel-displaced pipe nipple again, and in fuel-displaced pipe nipple and insert
Assemble in the annular space of pipe, due to density variation, water-oil separating occurs for Produced Liquid, and the liquid rich in crude oil then concentrates on the annular space
Side since intubation upper port is higher than output hole, while being intubated upper port lower than fuel-displaced pipe nipple upper port, so at intubation upper port
In the liquid concentrated position for being rich in crude oil, then the liquid rich in crude oil enters intubation, enters bilateral by lubricating anti-corrosion channel
In the gap that connector and pump barrel are formed, while entering the gap between plunger and pump barrel, plays the role of lubricating sealing pair.
In the description of the present invention, it should be understood that temporald eixis or positional relationship are based on the figure
Orientation or positional relationship is merely for convenience of description the utility model, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
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 (6)
1. a kind of oil-well pump anti-corrosive apparatus, which is characterized in that including fuel-displaced pipe nipple, duplex fitting, intubation, under the fuel-displaced pipe nipple
End connection duplex fitting, the duplex fitting open up Produced Liquid channel and lubrication anti-corrosion channel, and the intubation lower end is connected to bilateral
The lubrication anti-corrosion channel of connector, intubation upper end are then protruded into fuel-displaced pipe nipple, and intubation forms annular space with fuel-displaced pipe nipple.
2. a kind of oil-well pump anti-corrosive apparatus according to claim 1, which is characterized in that the connection of Produced Liquid channel lower end
Plunger body space, Produced Liquid channel upper end are connected to fuel-displaced pipe nipple inner cavity.
3. a kind of oil-well pump anti-corrosive apparatus according to claim 1 or 2, which is characterized in that the lubrication anti-corrosion channel one
End connection intubation lower port, the other end are connected to duplex fitting outer exterior wall.
4. a kind of oil-well pump anti-corrosive apparatus according to claim 1 or 2, which is characterized in that the fuel-displaced pipe nipple opens up diameter
To output hole, the intubation upper port is higher than output hole, while being intubated upper port lower than fuel-displaced pipe nipple upper port.
5. a kind of oil-well pump anti-corrosive apparatus according to claim 1 or 2, which is characterized in that the fuel-displaced pipe nipple upper end is logical
Rod connector connecting with pumping rod is crossed, the duplex fitting lower end connects plunger.
6. a kind of oil-well pump anti-corrosive apparatus according to claim 1 or 2, which is characterized in that the duplex fitting and oil pumping
Pump plunger outer diameter is identical, forms clearance seal with pump barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821426778.9U CN209083545U (en) | 2018-08-31 | 2018-08-31 | A kind of oil-well pump anti-corrosive apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821426778.9U CN209083545U (en) | 2018-08-31 | 2018-08-31 | A kind of oil-well pump anti-corrosive apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209083545U true CN209083545U (en) | 2019-07-09 |
Family
ID=67115674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821426778.9U Active CN209083545U (en) | 2018-08-31 | 2018-08-31 | A kind of oil-well pump anti-corrosive apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209083545U (en) |
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2018
- 2018-08-31 CN CN201821426778.9U patent/CN209083545U/en active Active
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