CN220226743U - Compact sealing device for interface of gas well drainage gas production pipeline - Google Patents
Compact sealing device for interface of gas well drainage gas production pipeline Download PDFInfo
- Publication number
- CN220226743U CN220226743U CN202321354012.5U CN202321354012U CN220226743U CN 220226743 U CN220226743 U CN 220226743U CN 202321354012 U CN202321354012 U CN 202321354012U CN 220226743 U CN220226743 U CN 220226743U
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- China
- Prior art keywords
- gas well
- sealing
- water
- flow channel
- water inlet
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 65
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 235000020681 well water Nutrition 0.000 claims description 20
- 239000002349 well water Substances 0.000 claims description 20
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000005056 compaction Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 11
- 239000007789 gas Substances 0.000 description 66
- 239000000243 solution Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
Abstract
This tight sealing device of interface of gas well drainage gas production pipeline, including sealing connection spare, sealing connection spare both ends are connected with gas well inlet tube and gas well outlet pipe respectively, sealing connection spare is close to gas well inlet tube one end and installs into water clamping structure, it cup joints on gas well inlet tube to advance water clamping structure, install rivers passageway between water clamping structure and the sealing connection spare, rivers passageway connects on sealing connection spare, carry out sealing connection of interface department through the sealing connection spare of installing between gas well inlet tube and gas well outlet pipe, one end is installed through intaking clamping structure centre gripping, one end is installed through the flange connection piece screw thread of installation, one end cup joints the mode of one end rotary installation and can effectively increase the flexibility of installation, internal connection can tighten the interface department seal through the combination of rivers passageway and cavity, increase drainage gas production pipeline interface leakproofness when keeping stability.
Description
Technical Field
The utility model relates to the technical field of gas well drainage and gas production, in particular to a compact sealing device for a joint of a gas well drainage and gas production pipeline.
Background
In the existing gas well drainage gas production, in order to maintain the normal production of a water flooded well or a self-injection water-carrying difficult gas well, mechanical or chemical (or a combination of the two) methods are adopted to discharge the underground accumulated liquid to the ground, so that the purpose is to reduce the fluid pressure gradient of a shaft, improve the inflow state of fluid near the bottom of the shaft, expand the natural gas blocked by water, change the 'dead gas' into the 'live gas' capable of moving into the bottom of the shaft and produce, and finally improve the recovery ratio of the gas reservoir.
In the drainage gas production process, gas and liquid can be separated and discharged through the pipeline, and in the use of the drainage gas production external pipeline, the pipeline is often leaked due to poor tightness of the joint due to the existence of the joint, the flexibility of the pipeline is lost due to the fact that the joint is totally closed, the drainage gas production pipeline cannot be guaranteed to be flexible and sealed, and inconvenience is brought to production.
Therefore, in order to solve the defects in the prior art, it is necessary to provide a tight sealing device for the joint of the gas well drainage gas production pipeline.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the tight sealing device for the interface of the drainage gas production pipeline of the gas well, which is used for sealing and connecting the interface through the sealing connecting piece arranged between the water inlet pipe of the gas well and the water outlet pipe of the gas well, one end is clamped and installed through the water inlet clamping structure, the other end is installed through the threads of the flange connecting piece which is installed, the installation flexibility can be effectively improved through the way that one end is sleeved with the other end in a rotating way, the sealing of the interface can be more tightly enhanced through the combination of the water flow channel and the cavity by the internal connection, and the tightness of the interface of the drainage gas production pipeline is improved while the stability is maintained.
The above object of the present utility model is achieved by the following means.
The tight sealing device of interface of a gas well drainage gas production pipeline comprises a sealing connecting piece, wherein two ends of the sealing connecting piece are respectively connected with a gas well water inlet pipe and a gas well water outlet pipe, and a water inlet clamping structure is arranged at one end, close to the gas well water inlet pipe, of the sealing connecting piece;
the water inlet clamping structure is sleeved on the water inlet pipe of the gas well, a water flow channel is arranged between the water inlet clamping structure and the sealing connecting piece, the water flow channel is connected to the sealing connecting piece, a water control valve is arranged in the sealing connecting piece, the same water flow channel is arranged at the other end of the water control valve, a flange connecting disc is fixedly arranged at the tail end of the water flow channel, a threaded groove is formed in the center of the flange connecting disc, and a water outlet pipe of the gas well is arranged in the threaded groove.
Specifically, the water inlet clamping structure comprises a rotating rod, wherein the rotating rod penetrates through the outer wall of the water flow channel and is arranged inside the water flow channel, and two groups of pressure block assemblies are arranged at the bottom of the rotating rod.
Specifically, the pressure block assembly comprises a semicircular clamping sealing block, and a spring assembly is uniformly arranged between the semicircular clamping sealing block and the pressure block assembly.
Specifically, the water control valve comprises a flashboard, the flashboard is arranged in the center of the water flow channel, a valve head is arranged above the flashboard, and a rotary switch is arranged on the valve head.
Specifically, the inside cavity that is provided with of rivers passageway, cavity inside are circular structure, and the flashboard is sealed inside the cavity perpendicularly.
According to the utility model, the sealing connection at the joint is carried out through the sealing connection piece arranged between the gas well water inlet pipe and the gas well water outlet pipe, one end is clamped and arranged through the water inlet clamping structure, the other end is in threaded installation through the flange connecting piece, the other end is sleeved with the flange connecting piece, the installation flexibility can be effectively increased, the joint can be sealed and compacted through the combination of the water flow channel and the cavity by the internal connection, and the sealing performance of the drainage gas production pipeline joint is improved while the stability is maintained.
Drawings
The utility model is further illustrated by the accompanying drawings, which are not to be construed as limiting the utility model in any way.
FIG. 1 is a front view of a tight joint sealing device for a gas well drainage gas production line of the present utility model.
Fig. 2 is a schematic structural view of a water inlet clamping structure in a tight joint sealing device of a gas well drainage gas production pipeline.
Fig. 3 is an enlarged view of a portion of a tight seal at the interface of a gas well drainage and production tubing of the present utility model.
From fig. 1 to 3, it includes:
1. sealing the connection member;
2. a gas well inlet pipe;
3. a gas well water outlet pipe;
4. a water inlet clamping structure;
5. a water flow channel;
6. a water control valve;
7. a flange connection disc;
8. a thread groove;
9. a rotating lever;
10. a pressure block assembly;
11. clamping the sealing block;
12. a spring assembly;
13. a flashboard;
14. a valve head;
15. a rotary switch;
16. a cavity.
Detailed Description
The utility model will be further described with reference to the following examples.
Example 1.
As shown in fig. 1-3, the tight sealing device of interface of gas well drainage gas production pipeline includes sealing connection piece 1, sealing connection piece 1 both ends are connected with gas well inlet tube 2 and gas well outlet pipe 3 respectively, and sealing connection piece 1 is close to gas well inlet tube 2 one end and installs into water clamping structure 4.
The sealing connector 1 arranged between the gas well water inlet pipe 2 and the gas well water outlet pipe 3 is used for sleeving the integral sealing assembly outside the gas well water inlet pipe 2 through the water inlet clamping structure 4, and the gas well water inlet pipe 2 is connected in a sealing way through the water inlet clamping structure 4.
The water inlet clamping structure 4 is sleeved on the gas well water inlet pipe 2, a water flow channel 5 is arranged between the water inlet clamping structure 4 and the sealing connecting piece 1, the water flow channel 5 is connected to the sealing connecting piece 1, a water control valve 6 is arranged in the sealing connecting piece 1, the same water flow channel 5 is arranged at the other end of the water control valve 6, a flange connecting disc 7 is fixedly arranged at the tail end of the water flow channel 5, a threaded groove 8 is formed in the center of the flange connecting disc 7, and a gas well water outlet pipe 3 is arranged in the threaded groove 8.
The water inlet pipe 2 of the gas well is arranged on the water flow channel 5 in a butt joint way through the water inlet clamping structure 4, so that the water inlet pipe 2 of the gas well is connected with the water flow channel 5, when the water is discharged from the gas well, water in the water inlet pipe 2 of the gas well flows into the sealing connecting piece 1 through the water flow channel 5, under the action of the water control valve 6 arranged in the sealing connecting piece 1, the water flows into the water flow channel 5 at the other end after penetrating through the sealing connecting piece 1, the water flow channel 5 at the other end is rotationally connected with the water outlet pipe 3 of the gas well through the flange connecting disc 7 at the tail end through an internal thread groove, so that the two ends are fixed, and the sealing at the interface of the water inlet pipe 2 of the gas well and the water outlet pipe 3 of the gas well is maintained.
The water inlet clamping structure 4 comprises a rotating rod 9, the rotating rod 9 penetrates through the outer wall of the water flow channel 5 and is arranged inside the water flow channel 5, and two groups of pressure block assemblies 10 are arranged at the bottom of the rotating rod 9.
When the water inlet clamping structure 4 is used, the water flow channel 5 is sleeved on the gas well water inlet pipe 2, the rotating rods 9 mounted on the outer walls of the two sides of the water flow channel 5 rotate, the rotating rods 9 displace due to rotation of the threaded structures at the bottoms of the rotating rods, the pressure block assembly 10 mounted at the bottom is pressed downwards, the pressure block assembly 10 compacts the gas well water inlet pipe 2, sealing of the gas well water inlet pipe 2 is achieved, and normal operation is maintained.
The pressure block assembly 10 comprises a semicircular clamping sealing block 11, a spring assembly 12 is uniformly arranged between the semicircular clamping sealing block 11 and the pressure block assembly 10, the pressure block assembly 10 is compressed downwards when the rotating rod 9 rotates, the circular clamping sealing block 11 can be clamped in a gathering manner through the telescopic action of the spring assembly 12 of the internal installation, and the circular clamping sealing block 11 can be tightly attached to the gas well water inlet pipe 2 of the internal installation after being gathered under the stress, so that the gas well water inlet pipe 2 is tightly connected with the water flow channel 5.
The water control valve 6 comprises a flashboard 13, the flashboard 13 is arranged in the center of the water flow channel 5, a valve head 14 is arranged above the flashboard 13, a rotary switch 15 is arranged on the valve head 14, the water control valve 6 arranged in the sealing connecting piece 1 is controlled by rotating an externally-arranged rotary switch 15, and the externally-arranged rotary switch 15 is used for opening and closing the inner flashboard 13 by adjusting the valve head 14.
The inside cavity 16 that is provided with of water flow channel 5, cavity 16 inside is circular structure, and flashboard 13 vertical seal installs inside cavity 16, and cavity 16 that water flow channel 5 central authorities set up can carry out certain buffering to the rivers of flowing through, and the rivers are too big when preventing to install sealing connection piece 1, lead to leaking, and the opening of flashboard 13 is convenient for reduce the impact with the interior velocity of flow of closure control cavity 16, keeps interface department seal stability.
Through installing the sealing connection who carries out interface department between gas well inlet tube 2 and gas well outlet pipe 3 1, one end carries out the centre gripping installation through intaking clamping structure 4, and flange connection piece threaded mounting of installation is passed through to one end, and one end cup joints the mode of one end rotary mounting and can effectively increase the flexibility of installation, and internal connection can seal the interface department more tightly through the combination of rivers passageway 5 and cavity 16, increases drainage gas production pipeline interface leakproofness when keeping stability.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (4)
1. The utility model provides a tight sealing device of interface of gas well drainage gas production pipeline which characterized in that: the gas well water inlet pipe and the gas well water outlet pipe are respectively connected to two ends of the sealing connecting piece, and a water inlet clamping structure is arranged at one end, close to the gas well water inlet pipe, of the sealing connecting piece;
the water inlet clamping structure is sleeved on the water inlet pipe of the gas well, a water flow channel is arranged between the water inlet clamping structure and the sealing connecting piece, the water flow channel is connected to the sealing connecting piece, a water control valve is arranged in the sealing connecting piece, the same water flow channel is arranged at the other end of the water control valve, a flange connecting disc is fixedly arranged at the tail end of the water flow channel, a threaded groove is formed in the center of the flange connecting disc, and a water outlet pipe of the gas well is arranged in the threaded groove;
the water inlet clamping structure comprises a rotating rod, the rotating rod penetrates through the outer wall of the water flow channel and is installed inside the water flow channel, and two groups of pressure block assemblies are installed at the bottom of the rotating rod.
2. The tight sealing device of a gas well drainage gas production line interface of claim 1, wherein: the pressure block assembly comprises a semicircular clamping sealing block, and a spring assembly is uniformly arranged between the semicircular clamping sealing block and the pressure block assembly.
3. The tight sealing device of a gas well drainage gas production line interface of claim 1, wherein: the water control valve comprises a flashboard, the flashboard is arranged at the center of the water flow channel, a valve head is arranged above the flashboard, and a rotary switch is arranged on the valve head.
4. A gas well drainage gas production line interface compaction sealing apparatus according to claim 3, wherein: the inside cavity that is provided with of rivers passageway, the cavity is inside to be circular structure, the flashboard is perpendicular sealed to be installed the cavity is inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321354012.5U CN220226743U (en) | 2023-05-31 | 2023-05-31 | Compact sealing device for interface of gas well drainage gas production pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321354012.5U CN220226743U (en) | 2023-05-31 | 2023-05-31 | Compact sealing device for interface of gas well drainage gas production pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220226743U true CN220226743U (en) | 2023-12-22 |
Family
ID=89182260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321354012.5U Active CN220226743U (en) | 2023-05-31 | 2023-05-31 | Compact sealing device for interface of gas well drainage gas production pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220226743U (en) |
-
2023
- 2023-05-31 CN CN202321354012.5U patent/CN220226743U/en active Active
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| GR01 | Patent grant |