CN215830482U - Mechanical oil extraction equipment for oil exploitation - Google Patents
Mechanical oil extraction equipment for oil exploitation Download PDFInfo
- Publication number
- CN215830482U CN215830482U CN202122294705.7U CN202122294705U CN215830482U CN 215830482 U CN215830482 U CN 215830482U CN 202122294705 U CN202122294705 U CN 202122294705U CN 215830482 U CN215830482 U CN 215830482U
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- oil
- cavity
- air inlet
- sliding plug
- oil outlet
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- 238000000605 extraction Methods 0.000 title claims abstract description 31
- 238000009434 installation Methods 0.000 claims abstract description 17
- 239000003129 oil well Substances 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 239000004575 stone Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 81
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000010405 clearance mechanism Effects 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses mechanical oil extraction equipment used in oil extraction, which belongs to the technical field of oil extraction equipment and comprises an oil well shaft, an air inlet cavity, an oil outlet cavity, an air inlet, an oil outlet, an anti-backflow unit and a filtering unit, wherein the anti-backflow unit comprises a communicating seat, an installation cavity, a communicating hole, a sliding plug, an air inlet groove and an elastic part, the elastic part elastically props against the sliding plug and drives the end face of the sliding plug to prop against the inner wall of the installation cavity, and the propping face is in a sealing state. Through setting up anti-return unit, make the back that finishes of producing oil, the fluid in the cavity that produces oil can not flow backward, in order to avoid the loss, through setting up the filter unit, can filter impurity in the fluid, stone etc. and set up the scraper blade, produce the impact to the spiral bulge on the rotating part through fluid, make spiral bulge drive rotating part rotate, so that the scraper blade rotates, and then clear up filter screen surface adnexed impurity, reduce the jam to filter screen surface, improve the filter effect.
Description
Technical Field
The utility model relates to the technical field of oil extraction equipment, in particular to mechanical oil extraction equipment used in oil extraction.
Background
Mechanical oil extraction refers to an oil extraction method for lifting crude oil to the ground by supplementing energy from the ground to an oil well manually for the oil well incapable of self-blowing, the mechanical oil extraction can be divided into a gas lift oil extraction method and a deep well pump oil extraction method according to the way of lifting the crude oil, the gas lift is a method for artificially pressing gas into the oil well and lifting downhole liquid flow to the ground, the well mouth and the downhole equipment for gas lift oil extraction are simple, the management and adjustment are convenient, the yield has great flexibility, the gas lift oil extraction accident rate is lower compared with other oil extraction modes, and the gas lift oil extraction mode is more and more used.
Through retrieval, chinese patent No. CN213684080U discloses an oil field mechanical oil extraction device, including base and high-pressure gas delivery box, the outside at base top evenly is provided with multiunit buffer spring, buffer spring's bottom and the top fixed connection of base, multiunit buffer spring's top all with heavy burden ring bottom fixed connection, the middle part of heavy burden ring contacts with the surface of high-pressure gas delivery box. This oil field machinery oil production equipment, through when high-pressure gas is imported to the outlet duct at high-pressure gas delivery box, if the outlet duct produces vibrations, can drive the go-between, head rod and the round pin axle promotion activity that links to each other with it produce the angle transform, and then promote second connecting rod and heavy burden ring and reciprocate for buffer spring cushions the vibrations of outlet duct, and its shock attenuation effect is superior to only through the rubber layer shock attenuation, has improved the stability that oil field machinery oil production equipment used.
The mechanical oil extraction equipment in the prior art has the following defects: when oil extraction is performed by using high-pressure gas, once the high-pressure gas stops conveying, oil which is not produced in time may flow backwards, and even the oil flows backwards into the air compression equipment, so that potential safety hazards and economic loss are caused.
Based on this, the utility model designs a mechanical oil extraction device used in oil extraction to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide mechanical oil extraction equipment for oil extraction, and aims to solve the problems that when the mechanical oil extraction equipment in the prior art uses high-pressure gas to extract oil, once the high-pressure gas stops conveying, the produced oil which is not available can flow backwards, and even the oil flows backwards into air compression equipment, so that potential safety hazards and economic loss are caused.
In order to achieve the purpose, the utility model provides the following technical scheme: a mechanical oil extraction device used in oil exploitation comprises an oil well shaft, the bottom of the oil well shaft extends into an oil layer and is provided with two cavities which extend upwards and are in a blind hole form, the two cavities are not communicated with each other and are respectively defined as an air inlet cavity and an oil outlet cavity, the outer wall of the oil well shaft is respectively provided with an air inlet and an oil outlet which are communicated with the air inlet cavity and the oil outlet cavity, the air inlet is communicated with external air compression equipment through an anti-backflow unit, the oil outlet cavity is internally provided with a filtering unit, wherein the anti-backflow unit comprises a communicating seat, a mounting cavity in a cavity form is arranged in the communicating seat, a communicating hole in a through hole form is coaxially arranged on the communicating seat and is communicated with the mounting cavity and the air inlet, and a sliding plug capable of freely sliding along the axial direction of the sliding plug is clamped in the mounting cavity, the end face of the sliding plug is provided with a plurality of air inlet grooves which are distributed in a staggered manner and in a through hole manner, an elastic part is arranged in the installation cavity, the elastic part elastically abuts against the sliding plug and drives the end face of the sliding plug to abut against the inner wall of one side of the installation cavity, which is far away from the air inlet direction, and the abutting face is in a sealing state.
Preferably, the elastic part is a return spring installed in the installation cavity, and two ends of the return spring in the elastic direction elastically abut against the sliding plug and the inner wall of the installation cavity respectively.
Preferably, the filter unit is including installing filter screen in the oil outlet cavity and be used for right the filter screen surface carries out the clearance mechanism of clearing up, clearance mechanism is including installing in the oil outlet cavity, and be located the fretwork support of filter screen below, rotationally wear to be equipped with on the fretwork support with the coaxial pivot of oil outlet cavity, the pivot lower extreme is worn out fretwork support and coaxial rotation portion that is equipped with, rotation portion external diameter top-down steadily decrease in proper order, and be equipped with a plurality of spiral bulge along its axial array on its round platform face, can produce the rotation when the spiral bulge receives liquid impact, there is a connecting rod pivot upper end through bolster coaxial coupling, install a scraper blade on the connecting rod, the scraper blade upper surface with the filter screen surface offsets.
Preferably, the maximum outer diameter of the rotating part is not more than one third of the inner diameter of the oil outlet cavity.
Preferably, the bolster includes a buffer spring, the coaxial confession of having seted up in the pivot the mounting groove of buffer spring installation, the connecting rod lower extreme penetrates in the mounting groove and with buffer spring offsets, buffer spring is right the connecting rod produces elasticity up and supports the holding power, and then makes the filter screen surface with the scraper blade surface offsets tightly, the cotter pin is worn to be equipped with by the one end level that the connecting rod penetrated in the mounting groove, set up on the pivot outer wall and supply the cotter pin to insert, and can be from top to bottom free gliding kidney slot.
Compared with the prior art, the utility model has the beneficial effects that: through setting up anti-return unit, make the back that finishes of producing oil, the fluid in the cavity that produces oil can not flow backward, in order to avoid the loss, through setting up the filter unit, can filter impurity in the fluid, stone etc. and set up the scraper blade, produce the impact to the spiral bulge on the rotating part through fluid, make spiral bulge drive rotating part rotate, so that the scraper blade rotates, and then clear up filter screen surface adnexed impurity, reduce the jam to filter screen surface, improve the filter effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a mechanical oil recovery apparatus for use in oil production according to the present invention;
FIG. 2 is an enlarged view of a portion of the three-dimensional structure shown at A in FIG. 1;
FIG. 3 is an exploded view of the three-dimensional structure of FIG. 1;
fig. 4 is an enlarged schematic view of a partial three-dimensional structure at B in fig. 3.
In the drawings, the components represented by the respective reference numerals are listed below:
1-oil outlet, 2-oil well shaft, 3-air inlet, 4-communicating seat, 5-air inlet cavity, 6-oil outlet cavity, 7-filter screen, 8-scraper, 9-hollow bracket, 10-rotating shaft, 11-sliding plug, 12-return spring, 13-air inlet groove, 14-mounting cavity, 15-communicating hole, 16-rotating part, 17-buffer spring, 18-connecting rod, 19-spiral bulge, 20-short pin, 21-mounting groove and 22-waist-shaped groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a mechanical oil extraction device used in oil exploitation comprises an oil well shaft 2, the bottom of the oil well shaft 2 extends into an oil layer, two cavities which extend upwards and are in a blind hole form are formed, the two cavities are not communicated with each other and are respectively defined as an air inlet cavity 5 and an oil outlet cavity 6, an air inlet 3 and an oil outlet 1 which are communicated with the air inlet cavity 5 and the oil outlet cavity 6 are respectively arranged on the outer wall of the oil well shaft 2, the air inlet 3 is communicated with external air compression equipment through an anti-backflow unit, the anti-backflow unit comprises a communicating seat 4, a mounting cavity 14 in a cavity form is arranged in the communicating seat 4, a communicating hole 15 which is communicated with the mounting cavity 14 and the air inlet 3 and is in a through hole form is coaxially formed in the air inlet 3, a sliding plug 11 capable of freely sliding along the axial direction of the sliding plug is clamped in the mounting cavity 14, and a plurality of communicating holes 15 which are distributed in a staggered mode are formed in the end face of the sliding plug 11, An air inlet groove 13 in a through hole form, a reset spring 12 is arranged in an installation cavity 14, two ends of the elastic force direction of the reset spring 12 respectively and elastically abut against a sliding plug 11 and the inner wall of the installation cavity 14, the end face of the sliding plug 11 is driven to abut against the inner wall of one side of the installation cavity 14 far away from the air inlet 3, the abutting faces are in a sealing state, external air compression equipment generates compressed air, the compressed air enters a communication seat 4 through a pipeline and generates thrust on the sliding plug 11, the sliding plug 11 slides towards the direction close to an oil well shaft 2, the compressed air can enter the air inlet 3 through a communication hole 15, the installation cavity 14 and the air inlet groove 13 in sequence and then enters an air inlet cavity 5 to generate pressure on oil in the oil layer and extrude the oil into an oil outlet cavity 6 and then the oil is discharged from an oil outlet 1, when the oil outlet is stopped, namely, the air compression equipment stops supplying air, at the moment, the oil in the oil outlet cavity 6 may possibly flow into the air inlet cavity 5 or even flow into the air compression cavity along the pipeline In the equipment, so as to avoid the phenomenon, the reset spring 12 in the embodiment elastically supports the sliding plug 11, so that the sliding plug 11 is supported against the inner wall of the installation cavity 14 far away from the oil well shaft 2, thus certain air is kept in the air inlet cavity 5 to avoid backflow of oil, in addition, a filtering unit is arranged in the oil outlet cavity 6, the filtering unit comprises a filter screen 7 arranged in the oil outlet cavity 6 and a cleaning mechanism used for cleaning the surface of the filter screen 7, the cleaning mechanism comprises a hollow bracket 9 arranged in the oil outlet cavity 6 and positioned below the filter screen 7, a rotating shaft 10 coaxial with the oil outlet cavity 6 is rotatably penetrated through the hollow bracket 9, the lower end of the rotating shaft 10 penetrates through the hollow bracket 9 and is coaxially provided with a rotating part 16, the outer diameter of the rotating part 16 is gradually reduced from top to bottom, and a plurality of spiral protruding parts 19 are arranged on the round table surface along the axial array thereof, the spiral bulge 19 can rotate when being impacted by liquid, the upper end of the rotating shaft 10 is coaxially connected with a connecting rod 18 through a buffer piece, the connecting rod 18 is provided with a scraper 8, the upper surface of the scraper 8 is abutted against the surface of the filter screen 7, the buffer piece comprises a buffer spring 17, the rotating shaft 10 is coaxially provided with a mounting groove 21 for mounting the buffer spring 17, the lower end of the connecting rod 18 penetrates into the mounting groove 21 and is abutted against the buffer spring 17, the buffer spring 17 generates upward elastic abutting force to the connecting rod 18 so as to make the surface of the filter screen 7 abutted against the surface of the scraper 8, one end of the connecting rod 18 penetrating into the mounting groove 21 is horizontally provided with a short pin 20, the outer wall of the rotating shaft 10 is provided with a kidney-shaped groove 22 for inserting and freely sliding up and down, when the scraper 8 rotates on the surface of the filter screen 7, probably because oil impacts the filter screen 7, so that the surface of the filter screen 7 has certain degree of vibration, therefore, the buffer spring 17 elastically supports the connecting rod 18, on one hand, the influence of vibration on the scraper 8 can be reduced, on the other hand, the scraper 8 and the surface of the filter screen 7 can be kept in a supporting state, or the cleaning quality of the surface of the filter screen 7 is improved, when oil is discharged, oil in an oil layer flows towards the upper part of the oil discharge cavity 6 under the pressure action of compressed air, in the flowing process of the oil, the spiral protruding part 19 on the rotating part 16 is impacted, the rotating part 16 is further driven to rotate, so that the scraper 8 is driven to rotate, impurities attached to the surface of the filter screen 7 are scraped and cleaned by the scraper 8, the filter screen 7 is prevented from being blocked by the impurities, in addition, the rotating part 16 does not need to drive the rotating shaft 10 to rotate by using a driving device, the energy consumption is saved, the automatic operation is realized, in addition, the maximum outer diameter of the rotating part 16 is not more than one third of the inner diameter of the oil discharge cavity 6, so that the rotating part 16 does not have great influence on the oil discharge speed/oil discharge amount of the oil discharge cavity 6, of course, it is preferable to set the maximum outer diameter of the rotating part 16 to be one third of the inner diameter of the oil outlet cavity 6, so as to take into account the impact of the oil on the rotating part 16 to a degree sufficient to drive the rotating part 16 to rotate.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The mechanical oil extraction equipment for oil exploitation comprises an oil well shaft (2) and is characterized in that the bottom of the oil well shaft (2) extends into an oil layer and is provided with two cavities which extend upwards and are in a blind hole form, the two cavities are not communicated with each other and are respectively defined as an air inlet cavity (5) and an oil outlet cavity (6), the outer wall of the oil well shaft (2) is respectively provided with an air inlet (3) and an oil outlet (1) which are communicated with the air inlet cavity (5) and the oil outlet cavity (6), the air inlet (3) is communicated with external air compression equipment through an anti-backflow unit, the oil outlet cavity (6) is internally provided with a filtering unit, the anti-backflow unit comprises a communicating seat (4), a mounting cavity (14) in a cavity form is arranged in the communicating seat (4), and a mounting cavity (14) and an air inlet (3) which are communicated with the mounting cavity (14) and the air inlet (3) are coaxially arranged on the communicating seat, The air inlet structure comprises a through hole type communication hole (15), a sliding plug (11) capable of freely sliding along the axial direction of the sliding plug is clamped in an installation cavity (14), a plurality of air inlet grooves (13) which are distributed in a staggered mode and in the through hole type communication hole (15) are formed in the end face of the sliding plug (11), an elastic piece is arranged in the installation cavity (14), the elastic piece elastically abuts against the sliding plug (11) and drives the end face of the sliding plug (11) to abut against the inner wall of one side, far away from the air inlet (3) in the installation cavity (14), and the abutting face is in a sealing state.
2. The mechanical oil extraction device for oil exploitation according to claim 1, wherein the elastic member is a return spring (12) installed in the installation cavity (14), and two ends of the return spring (12) in the elastic direction elastically abut against the sliding plug (11) and the inner wall of the installation cavity (14), respectively.
3. The mechanical oil extraction device for oil exploitation according to claim 1, wherein the filtering unit includes a filtering net (7) installed in the oil outlet cavity (6) and a cleaning mechanism for cleaning the surface of the filtering net (7), the cleaning mechanism includes a hollow bracket (9) installed in the oil outlet cavity (6) and located below the filtering net (7), a rotating shaft (10) coaxial with the oil outlet cavity (6) is rotatably inserted into the hollow bracket (9), a rotating portion (16) is coaxially arranged at a lower end of the rotating shaft (10) and penetrates through the hollow bracket (9), the outer diameter of the rotating portion (16) decreases gradually from top to bottom, and a plurality of spiral protrusions (19) are arranged on the round table surface along the axial array thereof, the spiral protrusions (19) can rotate when being impacted by liquid, the filter screen is characterized in that the upper end of the rotating shaft (10) is coaxially connected with a connecting rod (18) through a buffer piece, a scraper (8) is installed on the connecting rod (18), and the upper surface of the scraper (8) is abutted to the surface of the filter screen (7).
4. A mechanical oil recovery device for use in oil recovery according to claim 3, characterized in that the maximum outer diameter of the rotating part (16) is not more than one third of the inner diameter of the oil outlet chamber (6).
5. The mechanical oil extraction device for oil exploitation according to claim 3, wherein the buffer member includes a buffer spring (17), the rotating shaft (10) is coaxially provided with a mounting groove (21) for the buffer spring (17) to be mounted, the lower end of the connecting rod (18) penetrates into the mounting groove (21) and abuts against the buffer spring (17), the buffer spring (17) generates upward elastic abutting force to the connecting rod (18), so that the surface of the filter screen (7) abuts against the surface of the scraper (8), a short pin (20) is horizontally penetrated through at one end of the connecting rod (18) penetrating into the mounting groove (21), and a waist-shaped groove (22) for the short pin (20) to be inserted and capable of freely sliding up and down is formed in the outer wall of the rotating shaft (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122294705.7U CN215830482U (en) | 2021-09-22 | 2021-09-22 | Mechanical oil extraction equipment for oil exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122294705.7U CN215830482U (en) | 2021-09-22 | 2021-09-22 | Mechanical oil extraction equipment for oil exploitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215830482U true CN215830482U (en) | 2022-02-15 |
Family
ID=80200912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122294705.7U Expired - Fee Related CN215830482U (en) | 2021-09-22 | 2021-09-22 | Mechanical oil extraction equipment for oil exploitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215830482U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810001A (en) * | 2022-05-24 | 2022-07-29 | 东营众志石油工程技术有限公司 | Pneumatic screw pump mixed-flooding oil production process pipe column |
| CN115095295A (en) * | 2022-06-28 | 2022-09-23 | 陈大野 | Bottom hole self-sealing device |
-
2021
- 2021-09-22 CN CN202122294705.7U patent/CN215830482U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810001A (en) * | 2022-05-24 | 2022-07-29 | 东营众志石油工程技术有限公司 | Pneumatic screw pump mixed-flooding oil production process pipe column |
| CN114810001B (en) * | 2022-05-24 | 2023-10-31 | 东营众志石油工程技术有限公司 | Pneumatic screw pump mixed flooding oil extraction process tubular column |
| CN115095295A (en) * | 2022-06-28 | 2022-09-23 | 陈大野 | Bottom hole self-sealing device |
| CN115095295B (en) * | 2022-06-28 | 2023-11-21 | 陈大野 | Self-sealing device at bottom of well |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |