CN220979469U - Multi-stage petroleum screen pipe - Google Patents
Multi-stage petroleum screen pipe Download PDFInfo
- Publication number
- CN220979469U CN220979469U CN202321577237.7U CN202321577237U CN220979469U CN 220979469 U CN220979469 U CN 220979469U CN 202321577237 U CN202321577237 U CN 202321577237U CN 220979469 U CN220979469 U CN 220979469U
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- CN
- China
- Prior art keywords
- cylinder
- filter
- filter plate
- screen
- oil
- 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.)
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- 239000003208 petroleum Substances 0.000 title claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 9
- 239000004576 sand Substances 0.000 abstract description 25
- 230000000694 effects Effects 0.000 abstract description 8
- 239000004575 stone Substances 0.000 abstract description 6
- 238000012216 screening Methods 0.000 abstract 1
- 238000005086 pumping Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000010618 wire wrap Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model relates to the technical field of sieve tubes, and discloses a multi-stage petroleum sieve tube, which comprises a tube body, wherein a plurality of through holes which are uniformly distributed are formed in the outer wall of the tube body, the upper end of the tube body is connected with a mounting cylinder, the upper end of the mounting cylinder is connected with a flange, a filter cylinder is arranged in the tube body, a filter plate for filtering is arranged in the mounting cylinder, the edge of the lower end of the filter plate is connected with the upper end of the filter cylinder, a mounting component for mounting the filter plate is arranged between the filter plate and the mounting cylinder, the mounting component comprises a connecting cylinder and a connecting ring, the lower end of the tube body is connected with a plug, a plurality of support plates which are distributed in an annular equidistant manner are connected between the plug and the flange, the support plates are positioned outside the tube body, annular grooves are formed above the plug, the lower end of the filter cylinder is inserted into the annular grooves, and the connecting cylinder is connected inside the mounting cylinder; the utility model filters through the pipe body, the filter cartridge and the filter plate, thereby better ensuring the better effect of filtering and screening sand and stones of the multi-stage petroleum sieve tube.
Description
Technical Field
The utility model relates to the technical field of sieve tubes, in particular to a multi-stage petroleum sieve tube.
Background
The main effect of the oil screen is sand prevention, the main body of the oil screen is tubular and is usually matched with an oil pumping pipe, the oil pumping pipe is connected with oil pumping equipment, oil after sand is filtered by the screen is pumped out by the oil pumping pipe, so that the oil pumping effect of oil exploitation is achieved, the oil screen can be divided into a slotted screen, a drilling screen, a wire-wrapping screen and the like according to different structures, steel types and types of steel pipes used for the oil screen are usually different due to different geology and sand layers of different oil wells, the wire-wrapping screen is formed by winding steel wires with a certain section on metal liners uniformly distributed on surrounding screen rods or perforated holes, welding is firm, a certain gap is reserved for serving as a screen hole, sand in the oil is filtered through the screen hole, the drilling screen is provided with a plurality of small holes on the steel pipe, the sand is filtered through the small holes, the lower end of the oil screen is usually provided with plugs and is positioned inside an oil layer, the oil screen is used for preventing the oil with sand prevention effect from being directly entering the inside the oil screen, the upper end of the oil screen is usually communicated with the oil pipe through flanges, the sand screen is usually filtered through the sand screen, and the sand screen is conveyed through the large sand screen is more than the inside the sand screen, and the sand screen is conveyed through the large sand screen is filtered through the inside the screen is more limited.
Disclosure of utility model
The utility model aims to solve the problems and the defects, and provides a multi-stage petroleum screen pipe which is used for filtering through a pipe body, a filter cylinder and a filter plate, so that the good sand and stone filtering effect of the multi-stage petroleum screen pipe is better ensured.
The multi-stage petroleum screen pipe comprises a pipe body, wherein a plurality of through holes which are uniformly distributed are formed in the outer wall of the pipe body;
The filter is characterized in that the upper end of the pipe body is connected with a mounting cylinder, the upper end of the mounting cylinder is connected with a flange, a filter cylinder is arranged in the pipe body, a filter plate used for filtering is arranged in the mounting cylinder, the edge of the lower end of the filter plate is connected with the upper end of the filter cylinder, a mounting assembly used for mounting the filter plate is arranged between the filter plate and the mounting cylinder, and the mounting assembly comprises a connecting cylinder and a connecting ring.
Further preferred embodiments are as follows: the lower end of the pipe body is connected with a plug.
Further preferred embodiments are as follows: a plurality of support plates distributed in annular equidistant mode are connected between the plugs and the flanges, and the support plates are located outside the pipe body.
Further preferred embodiments are as follows: the plug is provided with an annular groove, and the lower end of the filter cylinder is inserted into the annular groove.
Further preferred embodiments are as follows: the connecting cylinder is connected to the inside of the mounting cylinder, and the upper end of the filter cylinder and the filter plate are both positioned in the connecting cylinder.
Further preferred embodiments are as follows: the lower end of the connecting ring is inserted into the mounting cylinder, the lower surface of the connecting ring is attached to the upper surface of the filter plate, and the upper end of the connecting ring is connected with the mounting cylinder through bolts.
Advantageous effects
When the multistage petroleum screen pipe is in the oil reservoir, because the outer wall of the pipe body is provided with a plurality of evenly distributed through holes, pumping equipment works, petroleum in the oil reservoir outside the pipe body flows to the inside of the multistage petroleum screen pipe through the through holes, a plurality of through holes can carry out preliminary filtration on sand in the petroleum, thereby most sand in the petroleum is removed, after the petroleum is filtered through the through holes, the diameter of the filter cylinder is smaller than that of the through holes because the filter cylinder is arranged in the pipe body, the filter cylinder can further filter the petroleum, thereby further remove sand in the petroleum, and after the petroleum is further filtered through the filter cylinder, the lower end edge of the filter plate is connected with the upper end of the filter cylinder, so that the petroleum entering the filter cylinder after the filtration of the filter cylinder can be further filtered through the filter plate, the petroleum entering the inside of the oil pipe communicated with the multistage petroleum screen pipe can be filtered through the pipe body, the filter cylinder and the filter plate in multistage filtration, and the effect of the multistage filtration of the sand screen pipe is better guaranteed.
Drawings
FIG. 1 is a schematic view of the whole front cross-section structure of the present utility model;
FIG. 2 is a schematic top view of the overall cross-sectional structure of the present utility model;
fig. 3 is a schematic view of a partial enlarged structure of fig. 1 according to the present utility model.
The marks in the figure: plug 101, ring groove 102, filter cartridge 103, tube 104, mounting tube 105, support plate 106, flange 107, connecting tube 108, filter plate 109, and connecting ring 110.
Description of the embodiments
As shown in fig. 1 to 3, the application relates to a multi-stage petroleum screen pipe, which comprises a pipe body 104, wherein a plurality of uniformly distributed through holes are formed in the outer wall of the pipe body 104, the upper end of the pipe body 104 is connected with a mounting cylinder 105, the upper end of the mounting cylinder 105 is connected with a flange 107, and the lower end of the pipe body 104 is connected with a plug 101;
When the multi-stage oil screen pipe is used, the whole oil screen pipe is positioned in an oil layer, the upper end of a pipe body 104 is connected with an installation cylinder 105, the upper end of the installation cylinder 105 is connected with a flange 107, the installation cylinder 105 is communicated with an oil pipe through the flange 107, the oil pipe is communicated with external oil pumping equipment, so that the connection between the oil pipe and the oil screen pipe is completed, the lower end of the pipe body 104 is connected with a plug 101, the plug 101 is positioned in the oil layer, the lower end of the pipe body 104 can be plugged by the plug 101, and the sand-prevention effect is prevented from being influenced by the fact that oil with sand directly enters the multi-stage oil screen pipe;
A plurality of support plates 106 distributed in an annular equidistant manner are connected between the plug 101 and the flange 107, and the support plates 106 are positioned outside the pipe body 104;
Because the plurality of support plates 106 which are distributed in annular equal intervals are connected between the plugs 101 and the flanges 107, the support plates 106 are made of stainless steel, and the plurality of support plates 106 which are distributed in annular equal intervals can enclose the pipe body 104, so that the outside of the pipe body 104 is protected, the surface of the pipe body 104 is prevented from being directly impacted by external impact, the pipe body 104 is well protected, and meanwhile, the integral stability of the multi-stage petroleum screen pipe is enhanced to a certain extent;
The filter cartridge 103 is arranged in the pipe body 104, a filter plate 109 for filtering is arranged in the mounting cylinder 105, the lower end edge of the filter plate 109 is connected with the upper end of the filter cartridge 103, a mounting assembly for mounting the filter plate 109 is arranged between the filter plate 109 and the mounting cylinder 105, and the mounting assembly comprises a connecting cylinder 108 and a connecting ring 110;
The plug 101 is provided with a ring groove 102, the lower end of the filter cylinder 103 is inserted into the ring groove 102, the connecting cylinder 108 is connected to the inside of the mounting cylinder 105, the upper end of the filter cylinder 103 and the filter plate 109 are both positioned in the connecting cylinder 108, the lower end of the connecting ring 110 is inserted into the inside of the mounting cylinder 105, the lower surface of the connecting ring 110 is attached to the upper surface of the filter plate 109, and the upper end of the connecting ring 110 is connected with the mounting cylinder 105 through bolts;
When the multi-stage oil screen pipe is in the oil layer, as the outer wall of the pipe body 104 is provided with a plurality of uniformly distributed through holes, oil in the oil layer outside the pipe body 104 flows to the inside of the multi-stage oil screen pipe through the through holes, the sand and stones in the oil can be primarily filtered by the plurality of through holes, so that most of the sand and stones in the oil can be removed, after the oil passes through the through holes, the filter cylinder 103 is arranged in the pipe body 104, and the net diameter of the filter cylinder 103 is smaller than the diameter of the through holes, so that the filter cylinder 103 can further filter the oil, so that sand and stones in the oil can be further removed, and after the oil passes through the filter cylinder 103 and is further filtered, the lower end edge of the filter plate 109 is connected with the upper end of the filter cylinder 103, so that the oil entering the filter cylinder 103 after the oil is filtered by the filter cylinder 103 can enter the inside of the oil pipe communicated with the multi-stage oil screen pipe through the filter plate 109, and the filter screen pipe 103 and the filter plate 109 are subjected to multi-stage filtration, so that the sand and stones can be better removed by the filter screen pipe 103 and the filter plate 109;
When a user needs to clean the inside of the multi-stage petroleum screen pipe, the connection between the oil pipe and the flange 107 is released, the lower end of the connecting ring 110 is inserted into the mounting cylinder 105, the lower surface of the connecting ring 110 is attached to the upper surface of the filter plate 109, the upper end of the connecting ring 110 is connected with the mounting cylinder 105 through bolts, the bolts between the connecting ring 110 and the mounting cylinder 105 are unscrewed, at the moment, the limit of the connecting ring 110 can be released, the user can take out the connecting ring 110 upwards, at the moment, the limit above the filter plate 109 can be released, the filter plate 109 moves upwards, at the moment, the filter cylinder 103 can move upwards along with the upward movement to be separated from the annular groove 102, at the moment, the filter plate 109 and the filter cylinder 103 can move upwards together to be separated from the pipe body 104, and at the moment, the user can clean the inside of the mounting cylinder 105, the filter plate 109 and the filter residue sand inside the filter cylinder 103.
Claims (6)
1. The utility model provides a multistage petroleum screen pipe, includes body (104), a plurality of through-hole that is evenly distributed is opened to body (104) outer wall, its characterized in that:
The utility model discloses a filter plate filter is characterized in that an installation barrel (105) is connected with the upper end of a pipe body (104), a flange (107) is connected with the upper end of the installation barrel (105), a filter cartridge (103) is arranged inside the pipe body (104), a filter plate (109) used for filtering is arranged inside the installation barrel (105), the lower end edge of the filter plate (109) is connected with the upper end of the filter cartridge (103), an installation component used for installing the filter plate (109) is arranged between the filter plate (109) and the installation barrel (105), and the installation component comprises a connecting barrel (108) and a connecting ring (110).
2. A multi-stage petroleum screen as claimed in claim 1, wherein: the lower end of the pipe body (104) is connected with a plug (101).
3. A multi-stage petroleum screen as claimed in claim 2, wherein: a plurality of support plates (106) which are distributed in annular equidistant mode are connected between the plugs (101) and the flanges (107), and the support plates (106) are located outside the pipe body (104).
4. A multi-stage petroleum screen as claimed in claim 2, wherein: the plug (101) is provided with an annular groove (102), and the lower end of the filter cylinder (103) is inserted into the annular groove (102).
5. A multi-stage petroleum screen as claimed in claim 1, wherein: the connecting cylinder (108) is connected inside the mounting cylinder (105), and the upper end of the filter cylinder (103) and the filter plate (109) are both positioned in the connecting cylinder (108).
6. The multi-stage petroleum screen as set forth in claim 5, wherein: the lower end of the connecting ring (110) is inserted into the mounting cylinder (105), the lower surface of the connecting ring (110) is attached to the upper surface of the filter plate (109), and the upper end of the connecting ring (110) is connected with the mounting cylinder (105) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321577237.7U CN220979469U (en) | 2023-06-20 | 2023-06-20 | Multi-stage petroleum screen pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321577237.7U CN220979469U (en) | 2023-06-20 | 2023-06-20 | Multi-stage petroleum screen pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220979469U true CN220979469U (en) | 2024-05-17 |
Family
ID=91059230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321577237.7U Active CN220979469U (en) | 2023-06-20 | 2023-06-20 | Multi-stage petroleum screen pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220979469U (en) |
-
2023
- 2023-06-20 CN CN202321577237.7U patent/CN220979469U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |