CN214330602U - Sand removing device for natural gas well - Google Patents
Sand removing device for natural gas well Download PDFInfo
- Publication number
- CN214330602U CN214330602U CN202023033410.6U CN202023033410U CN214330602U CN 214330602 U CN214330602 U CN 214330602U CN 202023033410 U CN202023033410 U CN 202023033410U CN 214330602 U CN214330602 U CN 214330602U
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- China
- Prior art keywords
- cylinder
- groove
- sand removing
- desanding
- gas well
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- 239000004576 sand Substances 0.000 title claims abstract description 53
- 239000002343 natural gas well Substances 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000007789 gas Substances 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 13
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 13
- 241001330002 Bambuseae Species 0.000 abstract description 13
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 13
- 239000011425 bamboo Substances 0.000 abstract description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000003345 natural gas Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 238000005304 joining Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 6
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
Images
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to a natural gas production technical field discloses natural gas well sand removing device, and the both ends of a sand removing section of thick bamboo are provided with input port and cover respectively, and the bottom of a sand removing section of thick bamboo has the delivery outlet. A filter screen positioned below the input port is arranged in the sand removing cylinder. The sand removing cylinder is connected with the cylinder cover through a connecting mechanism. The filter screen is supported and fixed in the sand removing cylinder through a clamping mechanism. The utility model discloses a natural gas well sand removing device is connected through linking up the mechanism between desanding section of thick bamboo and the cover, makes things convenient for the installation and the dismantlement between desanding section of thick bamboo and the cover, and the filter screen passes through clamping mechanism to support to be fixed in desanding section of thick bamboo simultaneously, not only makes the firm reliability of installation of filter screen in desanding section of thick bamboo, also is convenient for pull out the clearance with the filter screen from desanding section of thick bamboo when the shut down simultaneously, avoids influencing the follow-up use of desanding equipment.
Description
Technical Field
The utility model relates to a natural gas production technical field especially relates to natural gas well sand removal device.
Background
In current natural gas production, large quantities of frac sand must be injected downhole to fracture the gas well before commissioning due to process requirements. After the natural gas well is put into operation, the fracturing sand enters the pipeline along with the natural gas from the underground, moves at a high speed in the pipeline, washes the pipe wall and the elbow, causes the pipeline wall to be punctured, and causes the potential safety hazard of leakage or explosion. Meanwhile, the natural gas brings water in the underground part to the ground pipeline, and natural gas hydrate is generated at high pressure and certain low temperature, so that freezing blockage can be generated, the pipeline is sealed and blocked, and the stagnation of the natural gas production is caused.
Adopt sand removal equipment to carry out the sand filtration usually and handle, but current sand removal equipment dismantles the difficulty, is not convenient for clear up the grit on its interior filter screen when the shut down, influences sand removal equipment's subsequent use.
SUMMERY OF THE UTILITY MODEL
For the difficulty is dismantled to the desanding equipment who has solved among the prior art, be not convenient for clear up the technical problem of gravel on its interior filter screen when stopping production, the utility model provides a natural gas well sand removal device.
The utility model discloses a following technical scheme realizes: the natural gas well desanding device comprises a desanding cylinder, wherein an input port and a cylinder cover are respectively arranged at two ends of the desanding cylinder, and an output port is formed in the bottom of the desanding cylinder; a filter screen positioned below the input port is arranged in the sand removing cylinder; the sand removing cylinder is connected with the cylinder cover through a connecting mechanism; the filter screen is supported and fixed in the sand removing cylinder through a clamping mechanism.
As a further improvement of the above scheme, the engagement mechanism comprises a sleeve ring fixed around the outer ring of the barrel cover, and one side of the sleeve ring facing the sand removing barrel is provided with an engagement block; and the edge of the opening of the sand removing cylinder is provided with a connecting groove matched with the connecting block.
As a further improvement of the above scheme, a ball groove is formed in the joining block, a ball body is connected in the ball groove through a spring, and a clamping groove matched with the ball body is formed in the groove wall of the joining groove.
As a further improvement of the above scheme, a through groove communicated with the clamping groove is radially formed in the wall of the sand removing cylinder, a fixed block is arranged in the through groove, and a push rod is slidably inserted in the fixed block; one end of the ejector rod extends to the joint of the through groove and the clamping groove, and the other end of the ejector rod extends to the outer side of the sand removing cylinder and is fixed with a pressing head; and a second spring is sleeved on the ejector rod between the fixed block and the notch of the through groove.
As a further improvement of the above scheme, the clamping mechanism comprises two transverse plates oppositely arranged on the inner side wall of the desanding cylinder, two vertical plates are oppositely arranged at the tops of the two transverse plates, a first clamping plate is arranged on one opposite side of each vertical plate, and each first clamping plate is connected with the adjacent vertical plate through a third spring; one side, away from the adjacent riser, of each first clamping plate is provided with a fixing plate perpendicular to the first clamping plate, a second clamping plate is arranged below the fixing plate, an adjusting rod perpendicular to the second clamping plate is inserted into the fixing plate in a penetrating mode through threads, one end of the adjusting rod is connected with the plate body of the second clamping plate in a rotating mode, and the second clamping plate is connected with the fixing plate through a telescopic rod.
As a further improvement of the scheme, two slopes inclined towards the direction of the output port are oppositely arranged on the wall of the sand removing cylinder.
The utility model has the advantages that:
the utility model discloses a natural gas well sand removing device is connected through linking up the mechanism between desanding section of thick bamboo and the cover, makes things convenient for the installation and the dismantlement between desanding section of thick bamboo and the cover, and the filter screen passes through clamping mechanism to support to be fixed in desanding section of thick bamboo simultaneously, not only makes the firm reliability of installation of filter screen in desanding section of thick bamboo, also is convenient for pull out the clearance with the filter screen from desanding section of thick bamboo when the shut down simultaneously, avoids influencing the follow-up use of desanding equipment.
Drawings
Fig. 1 is a schematic cross-sectional structural diagram of a natural gas well desanding device provided by an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic side view of the clamping mechanism of FIG. 1 in connection with a filter screen;
fig. 4 is an enlarged schematic structural view at B in fig. 3.
Description of the main symbols:
1. a sand removal cylinder; 2. a cylinder cover; 3. an input port; 4. an output port; 5. filtering with a screen; 6. a slope; 7. a collar; 8. a joining block; 9. a joining groove; 10. a ball groove; 11. a first spring; 12. a sphere; 13. a card slot; 14. a through groove; 15. a fixed block; 16. a top rod; 17. a second spring; 18. a pressing head; 19. a vertical plate; 20. a transverse plate; 21. a first clamping plate; 22. a third spring; 23. a fixing plate; 24. a second clamping plate; 25. adjusting a rod; 26. a telescopic rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1 to 4, the natural gas well desanding device includes a desanding cylinder 1, an input port 3 and a cylinder cover 2 are respectively disposed at two ends of the desanding cylinder 1, and an output port 4 is disposed at the bottom of the desanding cylinder 1. A filter screen 5 positioned below the input port 3 is arranged in the sand removing cylinder 1. The sand removing cylinder 1 is connected with the cylinder cover 2 through a connecting mechanism, so that the cylinder cover 2 can be conveniently mounted and dismounted on the sand removing cylinder 1. The filter screen 5 is supported and fixed in the sand removing cylinder 1 through a clamping mechanism, so that the filter screen 5 is more stably and reliably installed in the sand removing cylinder 1.
The connection mechanism comprises a lantern ring 7 fixed on the outer ring of the barrel cover 2 in a surrounding mode, and a connection block 8 is arranged on one side, facing the sand removing barrel 1, of the lantern ring 7. The edge of the opening of the sand removing cylinder 1 is provided with a connecting groove 9 matched with the connecting block 8. In this embodiment, the joining block 8 and the joining groove 9 are connected by a snap fit, so that the sand removing cylinder 1 and the cylinder cover 2 can be conveniently butted.
The joining block 8 is provided with a ball groove 10, a ball body 12 is connected in the ball groove 10 through a spring I11, and the wall of the joining groove 9 is provided with a clamping groove 13 matched with the ball body 12. When the first spring 11 is not in a deformed state, the center of the sphere 12 is flush with the opening of the spherical groove 10, and two ends of the first spring 11 are respectively fixedly connected with the spherical wall of the sphere 12 and the groove wall of the spherical groove 10.
A through groove 14 communicated with the clamping groove 13 is radially formed in the wall of the sand removing barrel 1, a fixing block 15 is arranged in the through groove 14, and a push rod 16 is slidably inserted in the fixing block 15.
The fixing block 15 is provided with a rod hole (not shown) for the push rod 16 to pass through, and the push rod 16 can slide relative to the rod hole. One end of the ejector rod 16 extends to the joint of the through groove 14 and the clamping groove 13, and the other end of the ejector rod extends to the outer side of the desanding cylinder 1 and is fixed with a pressing head 18. A second spring 17 is sleeved on the ejector rod 16 positioned between the fixed block 15 and the notch of the through groove 14.
The clamping mechanism comprises two transverse plates 20 which are oppositely arranged on the inner side wall of the desanding cylinder 1, two vertical plates 19 are oppositely arranged at the tops of the two transverse plates 20, a first clamping plate 21 is arranged on one side, opposite to the two vertical plates 19, of each first clamping plate 21, and the adjacent vertical plates 19 are connected through a third spring 22. One side of each clamping plate I21, which is far away from the adjacent vertical plate 19, is provided with a fixing plate 23 which is perpendicular to the clamping plate I, a clamping plate II 24 is arranged below the fixing plate 23, an adjusting rod 25 which is perpendicular to the fixing plate 23 is inserted into the fixing plate 23 in a penetrating manner through threads, one end of the adjusting rod 25 is rotatably connected with the plate body of the clamping plate II 24, and the clamping plate II 24 is connected with the fixing plate 23 through an expansion rod 26. The two ends of the telescopic rod 26 are respectively fixed on the side wall of the second clamping plate 24 and the side wall of the fixing plate 23, and the telescopic rod 26 can limit the movement of the second clamping plate 24, so that the second clamping plate 24 always keeps moving in the vertical direction under the driving of the adjusting rod 25.
Two slopes 6 inclining towards the direction of the output port 4 are oppositely arranged on the wall of the sand removing cylinder 1. The filtered gas and water can be guided to the output port 4 to flow out through the slope 6, and the phenomenon of freezing and blocking caused by accumulated liquid in the sand cylinder 1 is avoided.
The utility model discloses a theory of operation specifically does:
before using, insert filter screen 5 in the sand removing cylinder 1 to make the both sides of filter screen 5 pressed from both sides tightly under the spring action of corresponding spring three 22 by two splint one 21, twist soon again and twist adjusting rod 25 and make its and fixed plate 23 between the screw thread effect each other, make splint two 24 laminate gradually at filter screen 5 top under the limiting displacement of telescopic link 26, in order to effectively fix filter screen 5 in sand removing cylinder 1, insert linking piece 8 on the lantern ring 7 in the linking groove 9 of sand removing cylinder 1 at last, when linking piece 8 is completely inserted and link up in groove 9, spheroid 12 can be pushed into draw-in groove 13 completely under the spring action of spring one 11 this moment, realize that the block links to each other between spheroid 12 and draw-in groove 13, thereby accomplish the installation of cover 2 on sand removing cylinder 1 and fix.
When the gas filter is used, mixed gas horizontally enters the sand removing cylinder 1 through the input port 3, filter sand is intercepted on the filter screen 5, and gas and water flow out through the output port 4 under the guidance of the slope 6 and enter a next-stage pipeline. Because the delivery outlet 4 is located the minimum of a sand removal section of thick bamboo 1, so can not persist the hydrops to can avoid freezing stifled the emergence.
When the sand removing device stops production, the push rod 16 is driven to move in the through groove 14 by pressing the pressing head 18, the ball body 12 in the clamping groove 13 is pushed into the ball returning groove 10, the connecting block 8 is pulled out from the connecting groove 9, the barrel cover 2 is separated from the sand removing barrel 1, the clamping plate II 24 is separated from the filter screen 5 by reversely screwing the adjusting rod 25, and finally the filter screen 5 is pulled out from the sand removing barrel 1 and then maintained and cleaned, so that the sand removing device is convenient and fast.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The natural gas well desanding device is characterized by comprising a desanding cylinder, wherein an input port and a cylinder cover are respectively arranged at two ends of the desanding cylinder, and an output port is formed in the bottom of the desanding cylinder; a filter screen positioned below the input port is arranged in the sand removing cylinder; the sand removing cylinder is connected with the cylinder cover through a connecting mechanism; the filter screen is supported and fixed in the sand removing cylinder through a clamping mechanism.
2. The gas well screen apparatus of claim 1 wherein the engagement means comprises a collar secured around the outer ring of the cover, the collar having an engagement block on a side facing the screen cartridge; and the edge of the opening of the sand removing cylinder is provided with a connecting groove matched with the connecting block.
3. The gas well desanding device as recited in claim 2, wherein the joint block defines a ball groove, a ball is connected to the ball groove through a spring, and a slot is defined in a wall of the joint groove to engage with the ball.
4. The gas well desanding device as claimed in claim 3, wherein a through groove communicated with the clamping groove is radially formed in the wall of the desanding cylinder, a fixed block is arranged in the through groove, and a push rod is slidably inserted in the fixed block; one end of the ejector rod extends to the joint of the through groove and the clamping groove, and the other end of the ejector rod extends to the outer side of the sand removing cylinder and is fixed with a pressing head; and a second spring is sleeved on the ejector rod between the fixed block and the notch of the through groove.
5. The gas well desanding device of claim 1, wherein the clamping mechanism comprises two transverse plates oppositely arranged on the inner side wall of the desanding cylinder, two vertical plates are oppositely arranged on the tops of the two transverse plates, a first clamping plate is arranged on each of opposite sides of the two vertical plates, and each first clamping plate is connected with the adjacent vertical plate through a third spring; one side, away from the adjacent riser, of each first clamping plate is provided with a fixing plate perpendicular to the first clamping plate, a second clamping plate is arranged below the fixing plate, an adjusting rod perpendicular to the second clamping plate is inserted into the fixing plate in a penetrating mode through threads, one end of the adjusting rod is connected with the plate body of the second clamping plate in a rotating mode, and the second clamping plate is connected with the fixing plate through a telescopic rod.
6. A gas well screen apparatus as set forth in claim 1 wherein two ramps are oppositely disposed on the wall of the screen cylinder and are inclined toward the outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023033410.6U CN214330602U (en) | 2020-12-16 | 2020-12-16 | Sand removing device for natural gas well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023033410.6U CN214330602U (en) | 2020-12-16 | 2020-12-16 | Sand removing device for natural gas well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214330602U true CN214330602U (en) | 2021-10-01 |
Family
ID=77900135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023033410.6U Active CN214330602U (en) | 2020-12-16 | 2020-12-16 | Sand removing device for natural gas well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214330602U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278272A (en) * | 2021-12-29 | 2022-04-05 | 中国矿业大学 | Shale gas desanding and separating device |
-
2020
- 2020-12-16 CN CN202023033410.6U patent/CN214330602U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278272A (en) * | 2021-12-29 | 2022-04-05 | 中国矿业大学 | Shale gas desanding and separating device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220316 Address after: 610000 floor 1, No. 77, Huiquan South Road, Jinjiang District, Chengdu, Sichuan Patentee after: Sichuan Baosheng Energy Engineering Technology Co.,Ltd. Address before: No.6, Jinxing formation, Tanglin village, Dashi Township, Taihu County, Anqing City, Anhui Province Patentee before: Jin Guoliang |