CN221220448U - Negative pressure drainage gas production device - Google Patents
Negative pressure drainage gas production device Download PDFInfo
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- CN221220448U CN221220448U CN202322571413.2U CN202322571413U CN221220448U CN 221220448 U CN221220448 U CN 221220448U CN 202322571413 U CN202322571413 U CN 202322571413U CN 221220448 U CN221220448 U CN 221220448U
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- Prior art keywords
- gas
- liquid separator
- pipeline
- liquid
- inlet
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- 238000004519 manufacturing process Methods 0.000 title claims description 22
- 239000007788 liquid Substances 0.000 claims abstract description 149
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000004576 sand Substances 0.000 claims abstract description 34
- 241000191291 Abies alba Species 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims 2
- 239000007789 gas Substances 0.000 abstract description 20
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 12
- 239000003345 natural gas Substances 0.000 abstract description 6
- 238000000605 extraction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
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- Degasification And Air Bubble Elimination (AREA)
Abstract
The utility model relates to the technical field of natural gas exploitation equipment, and particularly discloses a negative pressure drainage gas extraction device which comprises a christmas tree, a first gas-liquid separator and a second gas-liquid separator, wherein the tops of the first gas-liquid separator and the second gas-liquid separator are respectively provided with a gas outlet, the middle parts of the first gas-liquid separator and the second gas-liquid separator are respectively provided with a liquid outlet and a liquid inlet, the bottoms of the first gas-liquid separator and the second gas-liquid separator are respectively provided with a sand discharge port, a water outlet and a water inlet are formed in the christmas tree, the water outlet is connected with the liquid inlet of the first gas-liquid separator, and the liquid inlet of the second gas-liquid separator is connected with the liquid outlet of the first gas-liquid separator.
Description
Technical Field
The utility model relates to the technical field of natural gas exploitation equipment, in particular to a negative pressure drainage gas exploitation device.
Background
Natural gas, which is an important energy source for human society and plays an important role in life, is generally stored underground and requires a special exploitation device to exploit natural gas.
The existing application is that the gas-liquid separator is adopted to separate natural gas and water in produced water, specifically, the centrifugal force principle inside the gas-liquid separator is utilized to enable the produced water in the gas-liquid separator to rotate, water flows downwards, natural gas flows to the top, so that the gas-liquid separation is achieved, gravel can be doped in the produced water under most conditions due to the fact that underground mining conditions are complex, the gravel can be separated out through the gas-liquid separator, the gravel is discharged from the bottom of the gas-liquid separator, the separation effect of the gas-liquid separator is always limited, the situation that sand discharge of a single gas-liquid separator is not timely forced to stop producing and discharging sand can occur when sand is contained, and accordingly mining efficiency of a mining device is affected.
Therefore, it is necessary to provide a negative pressure drainage gas production device to reduce the production stopping probability of the gas-liquid separator and improve the production efficiency of the production device.
Disclosure of utility model
The utility model aims to solve the problems in the prior art and provides a negative pressure drainage gas production device.
The technical scheme of the utility model is as follows:
The utility model provides a negative pressure drainage gas production device, includes christmas tree and first gas-liquid separator, still includes second gas-liquid separator, and the top of first gas-liquid separator and second gas-liquid separator all is equipped with the gas outlet, and the middle part of both all is equipped with leakage fluid dram and inlet, and the bottom of both all is equipped with the sand discharge mouth, has seted up delivery port and water inlet on the christmas tree, and the delivery port is connected with first gas-liquid separator's inlet, second gas-liquid separator's inlet is connected with first gas-liquid separator's leakage fluid dram, and second gas-liquid separator's leakage fluid dram is connected with the water inlet of christmas tree.
Further, a first booster pump is arranged between the liquid outlet of the first gas-liquid separator and the liquid inlet of the second gas-liquid separator, and the first booster pump conveys liquid in the first gas-liquid separator to the second gas-liquid separator.
Further, a second booster pump is arranged at the outlet of the liquid outlet of the second gas-liquid separator, the second booster pump is connected with a backflow pipeline, the backflow pipeline is communicated with the water inlet, and the second booster pump conveys liquid in the second gas-liquid separator to the water inlet.
Further, the gas outlet of the first gas-liquid separator and the gas outlet of the second gas-liquid separator are connected with a gas transmission pipeline, and the gas transmission pipeline is communicated with a backflow pipeline.
Further, a vacuum pump is arranged on the gas transmission pipeline.
Further, the water outlet is connected with the liquid inlet of the second gas-liquid separator through a pipeline, and a one-way valve S1 for controlling the opening and closing of the pipeline is arranged on the pipeline.
Further, the water outlet is connected with the liquid inlet of the first gas-liquid separator through a pipeline, and a one-way valve S2 for controlling the opening and closing of the pipeline is arranged on the pipeline.
Further, the output end of the first booster pump is communicated with the liquid inlet of the second gas-liquid separator and the backflow pipeline at the same time, a one-way valve S3 is arranged on the pipeline between the output end of the first booster pump and the liquid inlet of the second gas-liquid separator, and a one-way valve S4 is arranged on the pipeline between the output end of the first booster pump and the backflow pipeline.
Further, the sand discharge port of the first gas-liquid separator and the sand discharge port of the second separator are both connected with a water purifying pipeline, a filter screen for filtering gravel is arranged in the sand discharge port, and the joint of the sand discharge port and the water purifying pipeline is detachably connected.
Further, the christmas tree comprises an oil outlet pipe and a sleeve, wherein the sleeve is communicated with the water inlet, and the oil outlet pipe is communicated with the water outlet.
According to the negative pressure drainage gas production device, the second gas-liquid separator is connected in series on the pipeline of the first gas-liquid separator, so that the two gas-liquid separators can work simultaneously, and the bottoms of the two gas-liquid separators are provided with the sand discharge ports, so that timely sand discharge can be ensured even if the produced water contains more sand, and the produced water is filtered and separated firstly by the first gas-liquid separator, so that more sand is contained in the first gas-liquid separator, when the effect of separating the produced water is lost, the produced water can still enter the second gas-liquid separator after passing through the first gas-liquid separator, the separation effect of the second gas-liquid separator is used for separating gas, water and gravel of the produced water, and the production efficiency is ensured.
Drawings
Fig. 1 is a structural reference diagram of the present utility model.
Reference numerals: 1. a tree; 2. a first gas-liquid separator; 3. a second gas-liquid separator; 4. an air outlet; 5. a liquid outlet; 6. a liquid inlet; 7. a sand discharge port; 8. a water outlet; 9. a water inlet; 10. a first booster pump; 11. a second booster pump; 12. a return line; 13. a gas line; 14. a vacuum pump; 15. a water purifying pipe; 16. an oil pipe; 17. a sleeve.
Detailed Description
In order to make the technical means, technical features, objects and technical effects of the present utility model easy to understand, the present utility model will be further described with reference to the specific drawings.
Embodiment one:
As shown in fig. 1, this embodiment provides a negative pressure drainage gas production device, including christmas tree 1 and first gas-liquid separator 2, still include second gas-liquid separator 3, the top of first gas-liquid separator 2 and second gas-liquid separator 3 all is equipped with gas outlet 4, the middle part of both all is equipped with leakage fluid dram 5 and inlet 6, the bottom of both all is equipped with sand-discharging port 7, delivery port 8 and water inlet 9 have been seted up on christmas tree 1, delivery port 8 passes through bolt and flange joint with inlet 6 of first gas-liquid separator 2, inlet 6 of second gas-liquid separator 3 passes through bolt and flange joint with leakage fluid dram 5 of first gas-liquid separator 2, and inlet 6 of first gas-liquid separator 2 passes through bolt and flange joint with inlet 6 of second gas-liquid separator 3, and outlet 5 of second gas-liquid separator 3 passes through bolt and flange joint with inlet 9 of christmas tree 1.
Preferably, a first booster pump 10 is installed between the liquid outlet 5 of the first gas-liquid separator 2 and the liquid inlet 6 of the second gas-liquid separator 3, and the first booster pump 10 conveys the liquid in the first gas-liquid separator 2 to the second gas-liquid separator 3.
Preferably, the liquid outlet 5 of the second gas-liquid separator 3 is provided with a second booster pump 11, the second booster pump 11 is connected with a return pipeline 12 through bolts and flanges, the return pipeline 12 is communicated with the water inlet 9, and the second booster pump 11 conveys liquid in the second gas-liquid separator 3 into the water inlet 9.
Preferably, the air outlet 4 of the first gas-liquid separator 2 and the air outlet 4 of the second gas-liquid separator 3 are connected with an air pipeline 13, and the air pipeline 13 is communicated with the backflow pipeline 12.
Preferably, the gas pipeline 13 is provided with a vacuum pump 14.
Preferably, the water outlet 8 is connected with the liquid inlet 6 of the second gas-liquid separator 3 through a pipeline, and a one-way valve S1 for controlling the opening and closing of the pipeline is arranged on the pipeline.
Preferably, the water outlet 8 is connected with the liquid inlet 6 of the first gas-liquid separator 2 through a pipeline, and a one-way valve S2 for controlling the opening and closing of the pipeline is arranged on the pipeline.
Preferably, the output end of the first booster pump 10 is simultaneously communicated with the liquid inlet 6 of the second gas-liquid separator 3 and the backflow pipeline 12, a one-way valve S3 is installed on a pipeline between the output end of the first booster pump 10 and the liquid inlet 6 of the second gas-liquid separator 3, and a one-way valve S4 is installed on a pipeline between the output end of the first booster pump 10 and the backflow pipeline 12.
Preferably, the sand discharge port 7 of the first gas-liquid separator 2 and the sand discharge port 7 of the second separator are both connected with a water purifying pipeline 15 through bolts and flanges, a filter screen for filtering gravel is arranged in the sand discharge port 7, and the joint of the sand discharge port 7 and the water purifying pipeline 15 is detachably connected.
Preferably, the tree 1 comprises a flowline 16 and a casing 17, the casing 17 being in communication with the water inlet 9, the flowline 16 being in communication with the water outlet 8.
The sand discharge port 7 is used for discharging sand, and the filter screen in the sand discharge port 7 can filter gravel, so that the sand discharge port 7 is used for discharging filtered clean water after being detached from the clean water pipeline 15, and when the sand discharge port 7 is detached from the still water pipeline, the gravel in the gas-liquid separator can be completely discharged through the sand discharge port 7 after the filter screen is taken down.
During operation, the two gas-liquid separators can simultaneously operate through connecting the second gas-liquid separator 3 in series on the pipeline of the first gas-liquid separator 2, and the bottoms of the two gas-liquid separators are provided with the sand discharge port 7, so that timely sand discharge can be ensured even if the situation that the produced water contains more sand is met, because the first gas-liquid separator 2 filters and separates the produced water firstly, the sand in the first gas-liquid separator 2 is more, when the effect of separating the produced water is lost, the produced water still can enter the second gas-liquid separator after passing through the first gas-liquid separator 2, separation of gas, water and gravel of the produced water is realized through the separation effect of the second gas-liquid separator, and when the sand content in the produced water is less, the two gas-liquid separators are not required to be connected in series and simultaneously operate, S1 or S2 can be opened, so that the produced water only enters the second gas-liquid separator 3 or the first gas-liquid separator 2, and when the first gas-liquid separator 2 works, S1 and S2 are required to be opened simultaneously; when the second gas-liquid separator 3 works independently, S1 and S3 are required to be opened simultaneously, and S2 and S4 are required to be closed, so that energy consumption is reduced, when the two gas-liquid separators are connected in series and work simultaneously, S1 and S4 are closed, and S2 and S3 are required to be opened; when the two gas-liquid separators are connected in parallel and work simultaneously, the power of gas-liquid separation can be increased, and S1, S2 and S4 are opened and S3 is closed during specific operation. Therefore, no matter how the working personnel aim at, the parallel connection and the serial connection of the gas-liquid separators can be realized by controlling the on-off of the four one-way valves, so that the exploitation efficiency is ensured.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model. Equivalent changes and modifications of the utility model are intended to fall within the scope of the present utility model.
Claims (10)
1. The utility model provides a negative pressure drainage gas production device, includes christmas tree (1) and first gas-liquid separator (2), its characterized in that: still include second vapour and liquid separator (3), the top of first vapour and liquid separator (2) and second vapour and liquid separator (3) all is equipped with gas outlet (4), and the middle part of both all is equipped with leakage fluid dram (5) and inlet (6), and the bottom of both all is equipped with sand discharge port (7), has seted up delivery port (8) and water inlet (9) on christmas tree (1), and delivery port (8) are connected with inlet (6) of first vapour and liquid separator (2), inlet (6) of second vapour and liquid separator (3) are connected with leakage fluid dram (5) of first vapour and liquid separator (2), and leakage fluid dram (5) of second vapour and liquid separator (3) are connected with water inlet (9) of christmas tree (1).
2. The negative pressure drainage and gas production device according to claim 1, wherein: a first booster pump (10) is arranged between a liquid outlet (5) of the first gas-liquid separator (2) and a liquid inlet (6) of the second gas-liquid separator (3), and the first booster pump (10) conveys liquid in the first gas-liquid separator (2) to the second gas-liquid separator (3).
3. The negative pressure drainage and gas production device according to claim 2, wherein: the liquid outlet (5) of the second gas-liquid separator (3) is provided with a second booster pump (11), the second booster pump (11) is connected with a backflow pipeline (12), the backflow pipeline (12) is communicated with the water inlet (9), and the second booster pump (11) conveys liquid in the second gas-liquid separator (3) to the water inlet (9).
4. A negative pressure drainage gas production apparatus according to claim 3, wherein: the gas outlet (4) of the first gas-liquid separator (2) and the gas outlet (4) of the second gas-liquid separator (3) are connected with a gas pipeline (13), and the gas pipeline (13) is communicated with a backflow pipeline (12).
5. The negative pressure drainage and gas production device according to claim 4, wherein: and a vacuum pump (14) is arranged on the gas transmission pipeline (13).
6. A negative pressure drainage gas production apparatus according to claim 3, wherein: the water outlet (8) is connected with the liquid inlet (6) of the second gas-liquid separator (3) through a pipeline, and a one-way valve S1 for controlling the opening and closing of the pipeline is arranged on the pipeline.
7. The negative pressure drainage and gas production device of claim 6, wherein: the water outlet (8) is connected with the liquid inlet (6) of the first gas-liquid separator (2) through a pipeline, and a one-way valve S2 for controlling the opening and closing of the pipeline is arranged on the pipeline.
8. The negative pressure drainage and gas production device of claim 7, wherein: the output end of the first booster pump (10) is communicated with the liquid inlet (6) of the second gas-liquid separator (3) and the backflow pipeline (12) at the same time, a one-way valve S3 is arranged on a pipeline between the output end of the first booster pump (10) and the liquid inlet (6) of the second gas-liquid separator (3), and a one-way valve S4 is arranged on a pipeline between the output end of the first booster pump (10) and the backflow pipeline (12).
9. The negative pressure drainage and gas production device according to claim 1, wherein: the sand discharge port (7) of the first gas-liquid separator (2) and the sand discharge port (7) of the second separator are both connected with a water purification pipeline (15), a filter screen for filtering gravel is arranged in the sand discharge port (7), and the joint of the sand discharge port (7) and the water purification pipeline (15) is detachably connected.
10. The negative pressure drainage and gas production device according to claim 1, wherein: the production tree (1) comprises an oil outlet pipe (16) and a sleeve (17), wherein the sleeve (17) is communicated with the water inlet (9), and the oil outlet pipe (16) is communicated with the water outlet (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322571413.2U CN221220448U (en) | 2023-09-21 | 2023-09-21 | Negative pressure drainage gas production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322571413.2U CN221220448U (en) | 2023-09-21 | 2023-09-21 | Negative pressure drainage gas production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221220448U true CN221220448U (en) | 2024-06-25 |
Family
ID=91542103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322571413.2U Active CN221220448U (en) | 2023-09-21 | 2023-09-21 | Negative pressure drainage gas production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221220448U (en) |
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2023
- 2023-09-21 CN CN202322571413.2U patent/CN221220448U/en active Active
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