CN211173977U - Conversion coupling for shale gas exploitation - Google Patents
Conversion coupling for shale gas exploitation Download PDFInfo
- Publication number
- CN211173977U CN211173977U CN201922440254.6U CN201922440254U CN211173977U CN 211173977 U CN211173977 U CN 211173977U CN 201922440254 U CN201922440254 U CN 201922440254U CN 211173977 U CN211173977 U CN 211173977U
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- Prior art keywords
- coupling
- conversion
- shale gas
- pipe
- outer tube
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- 230000008878 coupling Effects 0.000 title claims abstract description 143
- 238000010168 coupling process Methods 0.000 title claims abstract description 143
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 143
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 52
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 12
- 239000011651 chromium Substances 0.000 claims abstract description 12
- 238000007747 plating Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 33
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a shale gas is opened and is adopted conversion coupling, including conversion coupling, first semi-hoop and the semi-hoop of second, the inside of conversion coupling is provided with the coupling inner tube, and the inside of coupling inner tube all welds and has the reinforcing bar, the outside of coupling inner tube all is provided with the threaded connection mouth, and the outside of threaded connection mouth all is connected with the connecting tube, first semi-hoop is installed in the rear outside of conversion coupling, and the inside of first semi-hoop is provided with first coupling outer tube, the rear outside of first coupling outer tube is provided with first chromium plating wearing layer, and the left and right sides of first coupling outer tube all installs first fixed connection piece, the upper and lower both sides of first coupling outer tube all are provided with first sealed interface. The utility model provides a shale gas is opened and is adopted conversion coupling, through setting up the reinforcement bar, can increase the hardness of the device self like this, improve the device's bearing capacity, increase the device's life.
Description
Technical Field
The utility model relates to a shale gas exploitation correlation technique field especially relates to a shale gas exploitation adopts conversion coupling.
Background
In the field of shale gas drilling and exploitation, the horizontal well drilling and completion and hydraulic fracturing technology are key technologies, the horizontal well drilling and completion and hydraulic fracturing technology have very strict requirements on a shale gas casing, and when a gas layer conversion coupling is used, a branch pipe needs to be connected through a connector thread to form a pipe column of thousands of meters, so that the conversion coupling is particularly important in the process of exploiting shale gas.
The traditional conversion coupling has a fixed external structure, is inconvenient to mount and dismount, and can generate a large amount of labor cost when the device is used.
Therefore, it is necessary to provide a conversion coupling for shale gas exploitation to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a shale gas is opened and is adopted conversion coupling has solved outside structure comparatively fixed, and the installation and the dismantlement of being not convenient for lead to when using the device, can produce a large amount of cost of labor's problem.
In order to solve the technical problem, the utility model provides a conversion coupling for shale gas exploitation, which comprises a conversion coupling, a first coupling and a second coupling, wherein the conversion coupling is internally provided with a coupling inner tube, reinforcing steel bars are welded in the coupling inner tube, threaded connectors are arranged on the outer sides of the coupling inner tube, connecting pipelines are connected on the outer sides of the threaded connectors, the first coupling is arranged on the rear outer side of the conversion coupling, a first coupling outer tube is arranged in the first coupling, a first chromium plating wear-resistant layer is arranged on the rear outer side of the first coupling outer tube, first fixed connecting blocks are arranged on the left side and the right side of the first coupling outer tube, first sealing interfaces are arranged on the upper side and the lower side of the first coupling outer tube, first sealing rings are arranged on the inner sides of the first sealing interfaces, and the second coupling is arranged on the front outer side of the conversion coupling, and the inside of the second half hoop is provided with a second coupling outer tube, the place ahead outside of second coupling outer tube is provided with second chromium plating wearing layer, and the second fixed connection piece is all installed to the left and right sides of second coupling outer tube, the sealed interface of second is all installed to the upper and lower both sides of second coupling outer tube, and the inboard of the sealed interface of second all is provided with the second sealing washer.
Preferably, the reinforcing steel bars are welded with the inner pipe of the coupling, and the reinforcing steel bars are symmetrically arranged around the central axis of the inner pipe of the coupling.
Preferably, the threaded connection port and the coupling inner pipe are welded, and the outer diameter of the threaded connection port is smaller than that of the coupling inner pipe.
Preferably, the first chromium-plated wear-resistant layer is tightly attached to the first coupling outer pipe, and the inner diameter of the first chromium-plated wear-resistant layer is the same as the outer diameter of the first coupling outer pipe.
Preferably, the outer wall of the first fixed connecting block and the outer wall of the first coupling outer tube are both in a hole-opening design, and the first fixed connecting block is symmetrically arranged around the central axis of the first coupling outer tube.
Preferably, the first sealing ring is tightly attached to the first sealing interface, and the first sealing ring is connected with the first sealing interface through a clamping groove.
Preferably, the second half hoop is connected with the first half hoop through a clamping groove, and the second half hoop and the first half hoop are the same in shape.
Compared with the prior art, the utility model provides a pair of shale gas is opened and is adopted conversion coupling has following beneficial effect:
1. The utility model provides a conversion coupling for shale gas exploitation, which can increase the hardness of the device, improve the bearing capacity of the device and prolong the service life of the device by arranging reinforcing steel bars;
2. The utility model provides a conversion coupling for shale gas exploitation, which is convenient for butt joint of a connecting pipeline and the device by arranging a threaded connector, reduces labor cost and is convenient for operators to settle;
3. The utility model provides a shale gas is opened and is adopted conversion coupling through setting up first chromium plating wearing layer, can carry out abrasive treatment to the device like this, increases the device's wearability, improves the device's life, reduces the device's maintenance cost.
Drawings
Fig. 1 is a schematic view of an orthographic internal structure of a conversion coupling for shale gas exploitation provided by the utility model;
Fig. 2 is a schematic view of a front view structure of a conversion coupling for shale gas exploitation provided by the present invention;
Fig. 3 is a schematic top view structure diagram of a conversion coupling for shale gas exploitation provided by the present invention;
Fig. 4 is an enlarged schematic view of a portion a in fig. 1.
Reference numbers in the figures: 1. the conversion coupling, 101, the coupling inner tube, 102, the reinforcing bar, 103, the threaded connection mouth, 2, the connecting tube, 3, first semi-hoop, 301, first coupling outer tube, 302, first chromium plating wearing layer, 303, first fixed connecting block, 304, first sealed interface, 305, first sealing ring, 4, second semi-hoop, 401, second coupling outer tube, 402, second chromium plating wearing layer, 403, second fixed connecting block, 404, second sealed interface, 405, the second sealing ring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic front view of an internal structure of a conversion coupling for shale gas exploitation according to the present invention; fig. 2 is a schematic view of a front view structure of a conversion coupling for shale gas exploitation provided by the present invention; fig. 3 is a schematic top view structure diagram of a conversion coupling for shale gas exploitation provided by the present invention; fig. 4 is an enlarged schematic view of a portion a in fig. 1. A conversion coupling for shale gas exploitation comprises a conversion coupling 1, a first half coupling 3 and a second half coupling 4, wherein a coupling inner pipe 101 is arranged inside the conversion coupling 1, reinforcing steel bars 102 are welded inside the coupling inner pipe 101, threaded connectors 103 are arranged outside the coupling inner pipe 101, connecting pipelines 2 are connected outside the threaded connectors 103, the first half coupling 3 is arranged outside the rear of the conversion coupling 1, a first coupling outer pipe 301 is arranged inside the first half coupling 3, a first chromium-plated wear-resistant layer 302 is arranged outside the rear of the first coupling outer pipe 301, first fixed connecting blocks 303 are arranged on the left side and the right side of the first coupling outer pipe 301, first sealing interfaces 304 are arranged on the upper side and the lower side of the first coupling outer pipe 301, a first sealing ring 305 is arranged inside the first sealing interfaces 304, and the second half coupling 4 is arranged outside the front of the conversion coupling 1, and the inside of second half hoop 4 is provided with second coupling outer tube 401, and the place ahead outside of second coupling outer tube 401 is provided with second chromium plating wearing layer 402, and second fixed connection piece 403 is all installed to the left and right sides of second coupling outer tube 401, and second sealing interface 404 is all installed to the upper and lower both sides of second coupling outer tube 401, and the inboard of second sealing interface 404 all is provided with second sealing washer 405.
The reinforcing steel bars 102 are welded with the coupling inner pipe 101, the reinforcing steel bars 102 are symmetrically arranged around the central axis of the coupling inner pipe 101, and the reinforcing steel bars 102 are arranged, so that the hardness of the device can be increased, the bearing capacity of the device is improved, and the service life of the device is prolonged.
Welding between threaded connection mouth 103 and coupling inner tube 101, and the external diameter of threaded connection mouth 103 is less than coupling inner tube 101's external diameter, through setting up threaded connection mouth 103, makes things convenient for connecting tube 2 to dock with the device like this, reduces the cost of labor, makes things convenient for operating personnel to settle.
Closely laminating between first chromium plating wearing layer 302 and the first coupling outer tube 301, and the internal diameter of first chromium plating wearing layer 302 is the same with the external diameter of first coupling outer tube 301, through setting up first chromium plating wearing layer 302, can carry out abrasive treatment to the device like this, increases the device's wearability, improves the device's life, reduces the device's maintenance cost.
The outer wall of first fixed connection piece 303 and the outer wall of first coupling outer tube 301 are trompil formula design, and first fixed connection piece 303 sets up about the axis symmetry of first coupling outer tube 301, through setting up first fixed connection piece 303, conveniently carries out fixed mounting with the device like this, reduces the cost of labor, improves work efficiency.
The first sealing ring 305 is tightly attached to the first sealing interface 304, the first sealing ring 305 is connected with the first sealing interface 304 through a clamping groove, and the first sealing ring 305 is arranged, so that the device can be subjected to sealing treatment, inconvenience caused by leakage of gas inside the device is avoided, and potential safety hazards are avoided.
The second half hoop 4 is connected with the first half hoop 3 through the clamping groove, the second half hoop 4 is the same as the first half hoop 3 in shape, and the second half hoop 4 is connected with the first half hoop 3 through the clamping groove, so that the device is convenient to mount and dismount, labor cost is reduced, and using efficiency of the device is improved.
The utility model provides a pair of shale gas is opened and is adopted conversion coupling's theory of operation as follows: firstly, the conversion coupling 1 of the device is fixedly installed with a connecting pipeline 2 which needs to be converted and butted through a threaded connector 103, the hardness of the device can be increased through the arrangement of a reinforcing steel bar 102, the bearing capacity of the device is improved, the service life of the device is prolonged, the connection pipeline 2 is conveniently butted with the device through the arrangement of the threaded connector 103, the labor cost is reduced, the arrangement of operators is facilitated, then the second half coupling 4 is butted with the first half coupling 3, the first half coupling 3 is arranged, the installation and the disassembly of the device are facilitated due to the fact that the second half coupling 4 is connected with the first half coupling 3 through a clamping groove, the labor cost is reduced, the use efficiency of the device is improved, the wear-resistant treatment can be carried out on the device through the arrangement of a first chromium-plated wear-resistant layer 302, the wear-resistant treatment can be carried out on the device, the wear resistance of the device is improved, and the, reduce the device's maintenance cost, through setting up first sealing washer 305, can seal the processing to the device like this, avoid the inside gas of the device to leak the inconvenience that brings, stop the potential safety hazard, run through the device through first fixed connection piece 303 and second fixed connection piece 403 screw at last, reach fixed mounting's effect, the use that adopts the conversion coupling is opened to just such shale gas has been accomplished.
Compared with the prior art, the utility model provides a pair of shale gas is opened and is adopted conversion coupling has following beneficial effect:
1. The utility model provides a conversion coupling for shale gas exploitation, which can increase the hardness of the device, improve the bearing capacity of the device and prolong the service life of the device by arranging reinforcing steel bars 102;
2. The utility model provides a conversion coupling for shale gas exploitation, which is convenient for the butt joint of a connecting pipeline 2 and the device by arranging a threaded connector 103, thereby reducing the labor cost and facilitating the arrangement of operators;
3. The utility model provides a shale gas is opened and is adopted conversion coupling through setting up first chromium plating wearing layer 302, can carry out abrasive treatment to the device like this, increases the device's wearability, improves the device's life, reduces the device's maintenance cost.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a shale is gas exploitation and is adopted conversion coupling, includes conversion coupling (1), first half hoop (3) and second half hoop (4), its characterized in that: the inner side of the conversion coupling (1) is provided with a coupling inner pipe (101), reinforcing steel bars (102) are welded in the coupling inner pipe (101), threaded connectors (103) are arranged on the outer sides of the coupling inner pipe (101), connecting pipelines (2) are connected with the outer sides of the threaded connectors (103), a first half coupling (3) is installed on the outer side of the rear side of the conversion coupling (1), a first coupling outer pipe (301) is arranged in the first half coupling (3), a first chromium-plated wear-resistant layer (302) is arranged on the outer side of the rear side of the first coupling outer pipe (301), first fixed connecting blocks (303) are installed on the left side and the right side of the first coupling outer pipe (301), first sealing interfaces (304) are arranged on the upper side and the lower side of the first coupling outer pipe (301), and first sealing rings (305) are installed on the inner sides of the first sealing interfaces (304), the utility model discloses a coupling, including first coupling outer tube (401), second coupling outer tube (401), the place ahead outside at conversion coupling (1) is installed in first half hoop (4), and the inside of first half hoop (4) of second is provided with second coupling outer tube (401), the place ahead outside of second coupling outer tube (401) is provided with second chromium plating wearing layer (402), and second coupling outer tube (401) the left and right sides all install second fixed connection piece (403), second sealing interface (404) are all installed to the upper and lower both sides of second coupling outer tube (401), and the inboard of second sealing interface (404) all is provided with second sealing washer (405).
2. The conversion coupling for shale gas exploitation according to claim 1, wherein the reinforcing steel bars (102) are welded to the inner pipe (101) of the coupling, and the reinforcing steel bars (102) are symmetrically arranged about the central axis of the inner pipe (101) of the coupling.
3. The conversion coupling for shale gas exploitation according to claim 1, wherein the threaded connection port (103) is welded to the coupling inner pipe (101), and an outer diameter of the threaded connection port (103) is smaller than an outer diameter of the coupling inner pipe (101).
4. The conversion coupling for shale gas exploitation according to claim 1, wherein the first chrome-plated wear-resistant layer (302) is tightly attached to the outer pipe (301) of the first coupling, and an inner diameter of the first chrome-plated wear-resistant layer (302) is the same as an outer diameter of the outer pipe (301) of the first coupling.
5. The conversion coupling for shale gas exploitation according to claim 1, wherein an outer wall of the first fixed connection block (303) and an outer wall of the first coupling outer pipe (301) are both of an open-cell design, and the first fixed connection block (303) is symmetrically arranged about a central axis of the first coupling outer pipe (301).
6. The conversion coupling for shale gas exploitation according to claim 1, wherein the first sealing ring (305) is tightly attached to the first sealing interface (304), and the first sealing ring (305) is connected to the first sealing interface (304) by a clamping groove.
7. The conversion coupling for shale gas exploitation according to claim 1, wherein the second half coupling (4) is connected with the first half coupling (3) through a clamping groove, and the second half coupling (4) and the first half coupling (3) are identical in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922440254.6U CN211173977U (en) | 2019-12-30 | 2019-12-30 | Conversion coupling for shale gas exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922440254.6U CN211173977U (en) | 2019-12-30 | 2019-12-30 | Conversion coupling for shale gas exploitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211173977U true CN211173977U (en) | 2020-08-04 |
Family
ID=71809369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922440254.6U Expired - Fee Related CN211173977U (en) | 2019-12-30 | 2019-12-30 | Conversion coupling for shale gas exploitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211173977U (en) |
-
2019
- 2019-12-30 CN CN201922440254.6U patent/CN211173977U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 |
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| CF01 | Termination of patent right due to non-payment of annual fee |