CN211648097U - Single-valve oil bailing swab - Google Patents
Single-valve oil bailing swab Download PDFInfo
- Publication number
- CN211648097U CN211648097U CN201922048959.3U CN201922048959U CN211648097U CN 211648097 U CN211648097 U CN 211648097U CN 201922048959 U CN201922048959 U CN 201922048959U CN 211648097 U CN211648097 U CN 211648097U
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- China
- Prior art keywords
- oil
- sealing rubber
- swab
- rubber cylinder
- pump
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- 238000007789 sealing Methods 0.000 claims abstract description 55
- 238000012856 packing Methods 0.000 claims description 21
- 239000000725 suspension Substances 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005086 pumping Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 95
- 230000000149 penetrating effect Effects 0.000 description 12
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000010779 crude oil Substances 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 241000446313 Lamella Species 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model provides a single-petal oil bailing swab relates to oil production mechanical equipment field, and this single-petal oil bailing swab includes the center pin of vertical setting and from top to bottom sets up in proper order the epaxial: the swab single-petal is disc-shaped and can be sleeved on the central shaft in a vertically sliding manner; the sealing rubber cylinder is provided with an accommodating cavity with an upward opening, the sealing rubber cylinder is sleeved outside the pump single-piece, the cylinder wall of the sealing rubber cylinder is fixedly connected with the outer edge of the pump single-piece, the pump single-piece is provided with a first oil through hole, the bottom surface of the sealing rubber cylinder is provided with a second oil through hole, and the top edge of the cylinder wall of the sealing rubber cylinder is provided with an annular groove with an upward opening; the tray is disc-shaped and can be in sealing fit with the bottom surface of the sealing rubber cylinder, and the tray is sleeved on the central shaft. The utility model provides a single-petal oil pumping swab can effectively reduce the whole length of single-petal oil pumping swab, makes things convenient for the oil pumping operation.
Description
Technical Field
The utility model relates to a petroleum production mechanical equipment field, in particular to single-petal oil bailing swab.
Background
The oil-fishing vehicle belongs to a kind of mobile oil production equipment, mainly suitable for the oil production operation of the remote low-yield oil well. The prior oil bailing vehicle and the matched oil bailing equipment mainly comprise an oil bailing counterweight, a split (double-split) oil bailing swab, a steel wire rope, oil bailing wellhead equipment and the like. During oil extraction, under the action of gravity of the oil bailing counterweight, the oil bailing swab is placed into the underground, the oil bailing swab is lifted by the steel wire rope, and a section of oil column is bailed by the oil bailing swab.
However, the existing oil bailing swab has some problems in practical application. Firstly, when the split oil bailing swab is put down into the well and goes down in the sleeve, an oil flow channel close to a half of the annular space of the sleeve is formed, and the split oil bailing swab is easy to go down but not easy to go up when the diameter of the sleeve is reduced, so that the clamping and pumping are further generated; secondly, when oil is bailed, the split type oil bailing pump must depend on an independent lower counterweight, so that the underground fittings of the oil bailing well are too long and cannot be lifted into the well head when the oil bailing well rises, and if a blowout occurs, a steel wire rope must be cut off destructively to close a main valve of the well head; thirdly, because the counterweight is large and is arranged at the bottom, if the counterweight and the swab are completely dropped into the well when the swab is stuck, the subsequent fishing difficulty is large; finally, when the oil fishing construction is carried out, the independent oil fishing counter weight and the oil fishing wellhead need to be repeatedly disassembled and assembled, so that the structure is complex and heavy, and meanwhile, the labor intensity of workers and the safety and environmental protection risks are increased.
In view of this, the utility model discloses the people designs out a single-disc oil pump through the trial and error according to the production design experience of pursuing the field and relevant field for a plurality of years to solve the problem that prior art exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a single-petal oil pumping swab can effectively reduce the length of single-petal oil pumping swab, conveniently drag for oil operation.
In order to achieve the above object, the utility model provides a single-petal oil bailing swab, wherein, single-petal oil bailing swab includes the center pin of vertical setting and from top to bottom sets up in proper order the epaxial:
the swab single-petal is disc-shaped and can be sleeved on the central shaft in a vertically sliding manner;
the sealing rubber barrel is provided with an accommodating cavity with an upward opening, the sealing rubber barrel is sleeved outside the pump single-piece, the barrel wall of the sealing rubber barrel is fixedly connected with the outer edge of the pump single-piece, the pump single-piece is provided with a first oil through hole, the bottom surface of the sealing rubber barrel is provided with a second oil through hole, and the top edge of the barrel wall of the sealing rubber barrel is provided with an annular groove with an upward opening;
the tray is disc-shaped and can be in sealing fit with the bottom surface of the sealing rubber cylinder, the tray is sleeved on the central shaft,
and the counterweight is arranged at the bottom of the central shaft and is fixedly connected with the tray.
The single-valve oil swab is characterized in that the annular groove is formed in the outer edge of the top of the sealing rubber cylinder along the circumferential direction of the sealing rubber cylinder.
The single-petal oil swab is characterized in that the cross section of the annular groove is V-shaped.
The single-valve oil bailing swab is characterized in that the outer edge of the single valve of the swab extends downwards to form a cylindrical installation part, and the cylinder wall of the sealing rubber cylinder is fixedly connected to the installation part.
The single-valve oil swab is characterized in that the wall of the sealing rubber tube is fixedly connected to the mounting part through a plurality of hollow screws, and the hollow screws are uniformly distributed along the circumferential direction of the sealing rubber tube.
The single-piece oil dipper as described above, wherein the hollow screw is disposed below the ring groove.
The single-valve oil dipper has the advantages that the outer edge of the tray extends upwards to form a cylindrical limiting part.
The single-piece oil bailing pump as described above, wherein a plurality of first oil penetrating holes are opened on the single piece of the pump, a plurality of second oil penetrating holes are opened on the bottom surface of the sealing rubber tube, and the plurality of first oil penetrating holes and the plurality of second oil penetrating holes are uniformly distributed along the circumferential direction of the central shaft.
The single-valve oil scoop, as described above, wherein the top end of the central shaft is connected with a suspension joint.
The single-valve oil extractor is characterized in that the tray is fixedly connected with the counterweight through an oil union type screw thread.
Compared with the prior art, the utility model has the following characteristics and advantages:
the single-valve oil bailing swab provided by the utility model reduces the overall length, can be quickly lifted into a well mouth when encountering a blowout phenomenon, then closes a well mouth main valve, does not need to destructively cut off a steel wire rope, and is economical and durable; meanwhile, as the whole length is reduced, the oil fishing counter weight does not need to be disassembled and assembled during construction, the labor intensity of workers is reduced, and the safety and environmental protection risks are reduced; in addition, because the whole length is reduced, the height of the safety blowout prevention barrel is correspondingly shortened, the staff does not climb to the ladder when adding the packing, and the risk that the staff ascends to the height, slips and falls into injury is reduced.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for helping the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. The skilled person in the art can, under the teaching of the present invention, choose various possible shapes and proportional dimensions to implement the invention according to the specific situation.
Fig. 1 is a schematic structural view of a single-clack oil extractor provided by the utility model;
FIG. 2 is a schematic structural view of a single lobe of the middle drawer of the present invention;
FIG. 3 is a top view of the single lobe of the middle drawer of the present invention;
fig. 4 is a schematic structural view of the middle sealing rubber cylinder of the present invention;
fig. 5 is a top view of the middle packing rubber cartridge of the present invention.
Description of reference numerals:
100. a single-valve oil bailing swab; 10. A central shaft;
20. a single lobe of a swab; 21. A first oil through hole;
22. an installation part; 30. Sealing the rubber cylinder;
31. a second oil through hole; 32. A ring groove;
40. a tray; 41. A limiting part;
50. a suspension joint; 60. And (4) balancing weight.
Detailed Description
The details of the present invention can be more clearly understood with reference to the accompanying drawings and the description of the embodiments of the present invention. However, the specific embodiments of the present invention described herein are for the purpose of explanation only, and should not be construed as limiting the invention in any way. Given the teachings of the present invention, the skilled person can conceive of any possible variants based on the invention, which should all be considered as belonging to the scope of the invention.
As shown in fig. 1 to 5, the present invention provides a single-petal oil bailing swab 100, the single-petal oil bailing swab 100 includes a vertically disposed central shaft 10, and a swab single petal 20, a sealing rubber tube 30 and a tray 40 sequentially disposed on the central shaft 10 from top to bottom, wherein the swab single petal 20 is disc-shaped and can be slidably sleeved on the central shaft 10 up and down; the sealing rubber cylinder 30 is provided with an accommodating cavity with an upward opening, the sealing rubber cylinder 30 is sleeved outside the pump single-piece 20, the cylinder wall of the sealing rubber cylinder 30 is fixedly connected with the outer edge of the pump single-piece 20, the pump single-piece 20 is provided with a first oil through hole 21, the bottom surface of the sealing rubber cylinder 30 is provided with a second oil through hole 31, and the top edge of the cylinder wall of the sealing rubber cylinder 30 is provided with a ring groove 32 with an upward opening; the tray 40 is disc-shaped and can be matched with the bottom surface of the sealing rubber cylinder 30 in a sealing way, the tray 40 is sleeved on the central shaft 10 and is fixedly connected with the central shaft 10, the bottom of the central shaft 10 is connected with a balance weight 60, and the balance weight 60 is fixedly connected with the tray 40.
The utility model provides a single-petal oil bailing swab 100, its first oil through hole 21 that sets up on swab single-petal 20, the setting is at the holding chamber on sealed packing element 30, second oil through hole 31 forms the oil stream passageway, when single-petal oil bailing swab 100 is down, crude oil passes through from second oil through hole 31, holding chamber and first oil through hole 21 (pass through between crude oil swab single-petal 20 and the sealed packing element 30 promptly), sealed packing element 30's external diameter only need be slightly less than sheathed tube internal diameter can down smoothly through the sleeve pipe can, when going upward, with prior art under the condition that has same sealed effect, the utility model discloses single-petal slide length alright shorten greatly (among the prior art, the two-petal oil bailing swab needs the dislocation split to slide, and stop device etc. has increased the total length of swab), and then shortened whole single-petal oil bailing swab 100's length, do benefit to the oil bailing operation.
The single-valve oil bailing swab 100 provided by the utility model reduces the overall length, can be quickly lifted into a well mouth when encountering a blowout phenomenon, then closes a well mouth main valve, does not need to destructively cut off a steel wire rope, and is economical and durable; meanwhile, as the whole length is reduced, the oil fishing counter weight does not need to be disassembled and assembled during construction, the labor intensity of workers is reduced, and the safety and environmental protection risks are reduced; in addition, because the whole length is reduced, the height of the safety blowout prevention barrel is correspondingly shortened, the staff does not climb to the ladder when adding the packing, and the risk that the staff ascends to the height, slips and falls into injury is reduced.
The utility model discloses in, sealed packing element 30 goes upward or down along center pin 10 along with swab single lamella 20 together, under the condition that sealed packing element 30 length shortened, the slide of swab single lamella 20 also correspondingly shortens, has further reduced the length of whole single lamella oil bailing swab 100.
As shown in fig. 4, the annular groove 32 is formed in the top edge of the sealing rubber cylinder 30, and when the sealing rubber cylinder 30 descends, the annular groove 32 is closed, so that the sealing rubber cylinder 30 descends smoothly; when the packing rubber cylinder 30 moves upwards, the ring groove 32 is opened under the action of gravity, friction force and upper liquid column pressure, so that the sealing effect of the packing rubber cylinder 30 is further ensured.
The utility model provides a single-valve oil bailing swab 100, its sealed packing element 30's external diameter is close the sleeve pipe internal diameter, so when the sleeve pipe takes place the necking down, sealed packing element 30 can be according to self elasticity undergauge for oil bailing operation is more unobstructed down, prevents that the card from taking out the emergence.
In an alternative embodiment of the present invention, the ring groove 32 is opened at the top outer edge of the wall of the packing rubber 30 along the circumferential direction of the packing rubber 30.
In an alternative embodiment of the present invention, the cross-section of the ring groove 32 is V-shaped.
In an alternative embodiment of the present invention, the outer edge of the single piece 20 of the swab extends downward to form a cylindrical mounting portion 22, and the wall of the packing rubber 30 is fixed to the mounting portion 22.
In an alternative embodiment of the present invention, the wall of the packing rubber tube 30 is fixedly connected to the mounting portion 22 by a plurality of hollow screws, and the plurality of hollow screws are uniformly distributed along the circumferential direction of the packing rubber tube.
In an alternative embodiment of the present invention, the hollow screw is disposed below the ring groove 32.
In an alternative example of the present invention, the outer edge of the tray 40 extends upward to form a cylindrical stopper 41.
In an optional example of the present invention, a plurality of first oil penetrating holes 21 are formed on the single vane 20 of the pump, a plurality of second oil penetrating holes 31 are formed on the bottom surface of the packing rubber 30, and the plurality of first oil penetrating holes 21 and the plurality of second oil penetrating holes 31 are respectively distributed along the circumferential direction of the central shaft 10.
In an alternative embodiment of the present invention, a suspension joint 50 is attached to the top end of the central shaft 10.
In an alternative embodiment of the present invention, the tray 40 and the weight 60 are fixedly connected by a union screw.
In an alternative example, the weight 60 is a lead impregnated weight.
In the present invention, the suspension joint 50 and the counterweight 60 can both adopt the prior art, and are not described herein.
Now, with reference to fig. 1 to 5, the assembly and the use process of the single-petal oil bailing pump 100 according to the present invention will be described in detail:
first, the single-lobe swab 100 is assembled. Firstly, sleeving a swab single valve 20 from the upper part of a central shaft 10; then the upper suspension joint 50 is connected with the central shaft 10 by screw thread, and a fixed pin is fastened on the upper suspension joint; the sealing rubber tube 30 is sleeved into the central shaft 10 from the bottom of the central shaft 10, the sealing rubber tube 30 is fixed on the rotor single-petal 20 by hollow pins, the tray 40 is sleeved into the central shaft 10 from the bottom, then the counterweight 60 is hung, and the tray 40 is fixed above the counterweight 60 by screw threads.
And then carrying out field oil fishing operation. When oil is bailed, the blowout prevention gate is slowly opened to release the pressure of the wellhead of the oil well, the content of hydrogen sulfide is detected, the suspension head of the suspension steel wire rope of the oil bailing vehicle is connected with the suspension hole on the suspension joint 50, the oil bailing wellhead is installed and connected with a production pipeline, and the single-piece oil bailing swab 100 slowly descends to a preset oil bailing position in the oil well. In the descending process of the single-petal oil bailing pump 100, the pump single petal 20 ascends along the central shaft 10, the sealing rubber tube 30 is driven by the pump single petal 20 to ascend and descend along the central shaft 10 so as to be separated from the tray 40, the second oil penetrating hole 31 at the bottom of the sealing rubber tube 30 is opened, and crude oil can sequentially flow to the upper parts of the pump single petal 20 and the sealing rubber tube 30 through the second oil penetrating hole 31, the accommodating cavity and the first oil penetrating hole 21. Then, the single-piece oil bailing pump 100 is slowly lifted to the wellhead, when the single-piece oil bailing pump 100 moves upwards, the pump single-piece 20 and the sealing rubber cylinder 30 move downwards along the central shaft 10, after the sealing rubber cylinder 30 moves downwards to the tray 40, the tray 40 of the second oil penetrating hole 31 at the bottom of the sealing rubber cylinder 30 is blocked and sealed, the sealing rubber cylinder 30 deforms along with the tray and is in sealing fit with the inner wall of the sleeve, crude oil is intercepted above the sealing rubber cylinder 30, and then the single-piece oil bailing pump 100 is fished out along with the tray. After the single-valve oil bailing swab 100 is lifted to a well head, the oil bailing pressure is removed, the oil bailing well head and a production pipeline are disassembled, and the blowout prevention gate is closed.
In the following description of the embodiments, the invention is described in detail, but the description is not to be construed as limiting the invention for any reason, and in particular, the features described in the different embodiments may be combined with each other as desired, thereby forming other embodiments, and the features are understood to be applicable to any one embodiment and not limited to the described embodiments unless explicitly described to the contrary.
Claims (10)
1. The utility model provides a single-petal oil bailing swab which characterized in that, single-petal oil bailing swab includes the center pin of vertical setting and from top to bottom sets up in proper order on the center pin:
the swab single-petal is disc-shaped and can be sleeved on the central shaft in a vertically sliding manner;
the sealing rubber barrel is provided with an accommodating cavity with an upward opening, the sealing rubber barrel is sleeved outside the pump single-piece, the barrel wall of the sealing rubber barrel is fixedly connected with the outer edge of the pump single-piece, the pump single-piece is provided with a first oil through hole, the bottom surface of the sealing rubber barrel is provided with a second oil through hole, and the top edge of the barrel wall of the sealing rubber barrel is provided with an annular groove with an upward opening;
the tray is disc-shaped and can be in sealing fit with the bottom surface of the sealing rubber cylinder, the tray is sleeved on the central shaft,
and the counterweight is arranged at the bottom of the central shaft and is fixedly connected with the tray.
2. The single-valve oil pump as claimed in claim 1, wherein the ring groove is formed on the top outer edge of the packing rubber cylinder along the circumferential direction of the packing rubber cylinder.
3. The single-lobe oil scoop according to claim 1, wherein the cross-section of the ring groove is V-shaped.
4. The single-valve oil pump as claimed in claim 1, wherein the outer edge of the single valve of the pump extends downward to form a cylindrical installation part, and the wall of the sealing rubber cylinder is fixedly connected to the installation part.
5. The single-valve oil pump of claim 4, wherein the wall of the sealing rubber cylinder is fixedly connected to the mounting portion by a plurality of hollow screws, and the plurality of hollow screws are uniformly distributed along the circumferential direction of the sealing rubber cylinder.
6. The single-lobe oil dipper of claim 5, wherein the cannulated screw is disposed below the ring groove.
7. The single-valve oil dipper of claim 1, wherein the outer edge of the tray extends upward to form a cylindrical stopper.
8. The single-disc oil scoop according to claim 1, wherein a plurality of said first oil passing holes are opened on said single disc of said scoop, a plurality of said second oil passing holes are opened on a bottom surface of said packing rubber tube, and a plurality of said first oil passing holes and a plurality of said second oil passing holes are uniformly distributed along a circumferential direction of said central shaft, respectively.
9. The single-valve oil scoop according to claim 1 wherein a suspension fitting is attached to the top end of the central shaft.
10. The single-valve oil pump as defined in claim 1, wherein said tray is fixedly connected to said weight by means of a union-type thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922048959.3U CN211648097U (en) | 2019-11-25 | 2019-11-25 | Single-valve oil bailing swab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922048959.3U CN211648097U (en) | 2019-11-25 | 2019-11-25 | Single-valve oil bailing swab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211648097U true CN211648097U (en) | 2020-10-09 |
Family
ID=72693028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922048959.3U Active CN211648097U (en) | 2019-11-25 | 2019-11-25 | Single-valve oil bailing swab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211648097U (en) |
-
2019
- 2019-11-25 CN CN201922048959.3U patent/CN211648097U/en active Active
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