CN215949454U - Gas well small oil pipe swabbing rubber device - Google Patents
Gas well small oil pipe swabbing rubber device Download PDFInfo
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- CN215949454U CN215949454U CN202122338754.6U CN202122338754U CN215949454U CN 215949454 U CN215949454 U CN 215949454U CN 202122338754 U CN202122338754 U CN 202122338754U CN 215949454 U CN215949454 U CN 215949454U
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- rubber
- chamfer
- oil pipe
- small oil
- swabbing
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Abstract
The utility model discloses a gas well small oil pipe swabbing rubber device which comprises a hollow cylindrical rubber main body, wherein one end of the rubber main body is provided with a first chamfer, the other end of the rubber main body is provided with a second chamfer, and steel bar frameworks are arranged inside the side walls of the rubber main body, the first chamfer and the second chamfer. The rubber device solves the problem that the existing rubber device cannot be applied to small oil pipes.
Description
Technical Field
The utility model belongs to the technical field of gas well small oil pipe swabbing, and relates to a gas well small oil pipe swabbing rubber device.
Background
After fracturing of a natural gas well, a blowout drain is required. And (4) carrying out drainage-assisting measures on wells with insufficient bottom energy and incapable of self-flowing liquid drainage. The method comprises two methods of nitrogen gas lift production and pumping drainage, wherein the pumping method has the advantages of convenient use and low cost compared with the nitrogen gas lift production. However, the original swabbing rubber skin is suitable for an oil pipe with an inner diameter of 62.00mm, and a small oil pipe with an inner diameter of 50.66mm is used in the development of the existing gas well, so the original swabbing rubber skin cannot meet the existing construction environment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rubber pumping device for a small oil pipe of a gas well, and solves the problem that the existing rubber pumping device cannot be applied to the small oil pipe.
According to the technical scheme, the gas well small oil pipe swabbing rubber device comprises a hollow cylindrical rubber main body, wherein a first chamfer is arranged at one end of the rubber main body, a second chamfer is arranged at the other end of the rubber main body, and steel bar frameworks are arranged inside the side walls of the rubber main body, the first chamfer and the second chamfer.
The present invention is also characterized in that,
the included angle between the second chamfer and the side wall of the rubber main body is 18 degrees.
The first chamfer is smaller than the second chamfer.
A plurality of grooves are uniformly formed in the outer wall of the second chamfer.
The rubber main body, the second chamfer and the steel bar framework are formed by pouring.
The gas well small oil pipe swabbing rubber device has the advantages that the rubber device can be matched with the size of a small oil pipe, the dropping speed is high, the liquid extracting efficiency is high, the rubber device is wear-resistant and durable, the well falling accident caused by pulling and turning of the rubber device cannot happen, the small oil pipe gas well discharges liquid rapidly, the condition that the reservoir is polluted due to untimely backflow of the backflow liquid is avoided, and the maximum productivity of the gas well is favorably exerted.
Drawings
FIG. 1 is a schematic structural diagram of a rubber pumping device for a small oil pipe of a gas well according to the utility model;
FIG. 2 is a schematic structural diagram of a steel bar framework in the gas well small oil pipe swabbing rubber device of the utility model;
fig. 3 is a stress schematic diagram of the pumping rubber device for the small oil pipe of the gas well.
In the figure, 1 is rubber main part, 2 is first chamfer, 3 is the second chamfer, 4 is the billet skeleton.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The utility model provides a gas well small oil pipe swabbing rubber device, which is structurally shown in figure 1 and comprises a hollow cylindrical rubber main body 1, wherein one end of the rubber main body 1 is provided with a first chamfer angle 2, the resistance of liquid can be reduced when the rubber device is placed downwards, the other end of the rubber main body 1 is provided with a second chamfer angle 3, the included angle between the second chamfer angle 3 and the side wall of the rubber main body 1 is 18 degrees, when the rubber device is lifted upwards, the rubber main body 1 can be extruded to expand under stress, so that a liquid descending space is sealed, as shown in figure 2, a plurality of grooves are uniformly arranged on the outer wall of the second chamfer angle 3, the first chamfer angle 2 is smaller than the second chamfer angle 3, steel bar frameworks 4 are arranged inside the rubber main body 1 and the second chamfer angle 3, and the rubber main body 1, the first chamfer angle 2 and the second chamfer angle 3 and the steel bar frameworks 4 are formed by pouring, so that the bearing capacity is improved, and the rubber device has certain flexibility, can expand when stressed.
The rubber main body 1, the first chamfer 2 and the second chamfer 3 are made of rubber materials and have certain flexibility.
During the pumping operation, the rubber body 1 is sleeved on the swab, the rubber pumping device is lowered to a certain position below the liquid level, when the swab reaches a preset position and starts to lift, the second chamfer 3 of the rubber pumping device is pressed by a liquid column, and as shown in fig. 3, the steel bar framework 4 in the second chamfer 3 is subjected to a force F1Action, force F1Is present to subject the steel bar framework 4 in the rubber body 1 to an outward force F2Force F2The middle part of the rubber main body 1 is expanded, the expanded rubber main body 1 seals the space for liquid to flow downwards, so that as much liquid as possible is pumped out, and the rubber device is pumped at the momentThe steel bar framework 4 of the section also ensures its strength and wear resistance.
Claims (5)
1. The utility model provides a gas well small oil pipe swabbing rubber device, its characterized in that, includes hollow circular cylinder's rubber main part (1), the one end of rubber main part (1) is provided with first chamfer (2), the other end of rubber main part (1) is provided with second chamfer (3), the inside billet skeleton (4) that all is provided with of lateral wall of rubber main part (1), first chamfer (2) and second chamfer (3).
2. The gas well small oil pipe swabbing rubber device as claimed in claim 1, wherein the included angle between the second chamfer (3) and the side wall of the rubber main body (1) is 18 degrees.
3. Gas well small oil pipe swabbing rubber device according to claim 1, characterized in that the first chamfer (2) is smaller than the second chamfer (3).
4. The gas well small oil pipe swabbing rubber device as claimed in claim 1, wherein a plurality of grooves are uniformly formed on the outer wall of the second chamfer (3).
5. The swabbing rubber belt device for the small oil pipe of the gas well as recited in claim 1, wherein the rubber belt main body (1), the second chamfer (3) and the steel bar framework (4) are formed by pouring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122338754.6U CN215949454U (en) | 2021-09-26 | 2021-09-26 | Gas well small oil pipe swabbing rubber device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122338754.6U CN215949454U (en) | 2021-09-26 | 2021-09-26 | Gas well small oil pipe swabbing rubber device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215949454U true CN215949454U (en) | 2022-03-04 |
Family
ID=80424003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122338754.6U Active CN215949454U (en) | 2021-09-26 | 2021-09-26 | Gas well small oil pipe swabbing rubber device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215949454U (en) |
-
2021
- 2021-09-26 CN CN202122338754.6U patent/CN215949454U/en active Active
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