CN209430182U - A kind of mesolow gas-liquid separation device suitable for multi-state - Google Patents
A kind of mesolow gas-liquid separation device suitable for multi-state Download PDFInfo
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- CN209430182U CN209430182U CN201822242566.1U CN201822242566U CN209430182U CN 209430182 U CN209430182 U CN 209430182U CN 201822242566 U CN201822242566 U CN 201822242566U CN 209430182 U CN209430182 U CN 209430182U
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Abstract
The utility model provides a kind of mesolow gas-liquid separation device suitable for multi-state, it enters the station pipeline including a plurality of gas well, header is pressed in first low pressure header and first, second low pressure header, header is pressed in second, compressor, the gas-liquid separator that external transport pipeline and Duo Tai are arranged in parallel, header is pressed to connect with the first low pressure header and first in the upstream of gas-liquid separator after parallel connection, header is pressed with the second low pressure header and second respectively in the downstream of gas-liquid separator after parallel connection, second low pressure header is connect by compressor with external transport pipeline, header downstream is pressed to connect with external transport pipeline in second；Every gas well, which enters the station to press in pipeline and the first low pressure header and first, is respectively arranged with first pass switching valve and second procedure switching valve between header.The present apparatus when low pressure operating condition is run, natural gas measured through low pressure header through lowpressure stream meter and it is outer after compressor boost transport to external transport pipeline, realize that low pressure natural gas pressurization is outer defeated, improve the recovery ratio in gas field.
Description
Technical field
The mesolow gas-liquid separation device of the utility model and a kind of multi-state, specifically a kind of petroleum gas row
Meet the mesolow gas-liquid separation device of the multi-state of gas gathering station gas-liquid separation requirement in industry gas exploitation course.
Background technique
In the exploitation of natural gas field, since gas well liquid loading ability, production time are different, enter gas gathering station pressure and
Yield is also not quite similar, and is the recovery ratio for improving gas field, promotes the exploiting economy benefit in gas field, development late stage generally require into
Row pressurization exploitation, to meet the needs of downstream user.Therefore, whether downstream user is met according to the pressure that gas well enters gas gathering station
Needs, gas field is generally divided into following three development periods: (1) developing early period, gas well is all larger than downstream user into gas gathering station pressure
Needs；(2) middle exploitation stage, part gas well are greater than the needs of downstream user into gas gathering station pressure；(3) development late stage, gas well into
Gas gathering station pressure is respectively less than the needs of downstream user.Requirement due to different development periods to gas-liquid separation is different, conventional design
Gas-liquid separation device is unable to satisfy the requirement of above-mentioned production period.
Utility model content
Requirement due to different development periods to gas-liquid separation is different, and the gas-liquid separation device of conventional design is unable to meet production
The requirement of phase, is not able to satisfy the demand of downstream user, and the utility model provides a kind of mesolow gas-liquid suitable for multi-state point
From device, meet the gas-liquid separation requirement of gas gathering station different runtimes, while can realize that low pressure natural gas pressurization is outer defeated, under satisfaction
The demand for swimming user improves the recovery ratio in gas field.
The technical solution adopted in the utility model are as follows:
A kind of mesolow gas-liquid separation device suitable for multi-state, including a plurality of gas well enter the station pipeline, the first low pressure converge
Header, the second low pressure header, the gas for pressing header, compressor, external transport pipeline and Duo Tai to be arranged in parallel in second are pressed in pipe and first
Liquid/gas separator, the upstream of the gas-liquid separator after parallel connection press header to connect with the first low pressure header and first, the gas after parallel connection
The downstream of liquid/gas separator respectively with press header in the second low pressure header and second, the second low pressure header passes through compressor and outer defeated pipe
Line connects, and pressure header downstream is connect with external transport pipeline in second；Every gas well enters the station in pipeline and the first low pressure header and first
First pass switching valve and second procedure switching valve are respectively arranged between pressure header.
Third process switching valve is provided between the first low pressure header and each gas-liquid separator.
It is pressed in first between header and each gas-liquid separator and is provided with the 4th process switching valve.
Lowpressure stream meter is equipped between the second low pressure header and compressor.
Valve is provided between the lowpressure stream meter and compressor.
The valve is by-passing valve.
It is pressed in described second between header and external transport pipeline and is provided with middle pressure type flowmeter.
The 5th process switching valve is provided between the second low pressure header and each gas-liquid separator.
It is pressed in described second between header and each gas-liquid separator and is provided with the 6th process switching valve.
The utility model has the following beneficial effects:
Device provided by the utility model is divided to low-voltage and medium voltage two kinds of operating conditions at runtime, runs in low pressure operating condition
When, natural gas measures through lowpressure stream meter through low pressure header and transports to external transport pipeline outside after compressor boost, realizes low pressure day
Right gas pressurization is outer defeated, improves the recovery ratio in gas field.
By-passing valve of the valve as compressor in the utility model, allows natural gas without compressor and directly outer
It is defeated.
Though the present apparatus be divided into when running in, low pressure operation operating condition, equipment, valve in device presses middle pressure and designs, can
Meet the switching under different operating conditions.
The utility model is described in further detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure, appended drawing reference are as follows: 1, gas well enters the station pipeline；2, first pass switching valve；3, second procedure switching valve；4,
One low pressure header；5, header is pressed in first；6, the 4th process switching valve, 7, third process switching valve, 8, gas-liquid separator, 9,
Five process switching valves, the 10, the 6th process switching valve, the 11, second low pressure header press header in 12, second, 13, middle pressure type flowmeter,
14, lowpressure stream meter, 15, compressor, 16, external transport pipeline, 17, valve.
Specific embodiment
Embodiment 1:
Requirement due to different development periods to gas-liquid separation is different, and the gas-liquid separation device of conventional design is unable to meet production
The requirement of phase, is not able to satisfy the demand of downstream user, and the utility model provides as shown in Figure 1 a kind of suitable for multi-state
Low-pressure gas-liquid separator, meets the gas-liquid separation requirement of gas gathering station different runtimes, while can realize that low pressure natural gas is pressurized
It is outer defeated, meet the recovery ratio in the needs of downstream user raising gas field.
A kind of mesolow gas-liquid separation device suitable for multi-state, including a plurality of gas well enter the station pipeline 1, the first low pressure converge
Header 5 is pressed in pipe 4 and first, presses header 12, compressor 15, external transport pipeline 16 and Duo Tai simultaneously in the second low pressure header 11, second
Join the gas-liquid separator 8 of setting, pressure header 5 connects in the upstream of the gas-liquid separator 8 after parallel connection and the first low pressure header 4 and first
Connect, it is in parallel after gas-liquid separator 8 downstream respectively with header 12, the second low pressure header are pressed in the second low pressure header 11 and second
11 are connect by compressor 15 with external transport pipeline 16, press 12 downstream of header to connect with external transport pipeline 16 in second；Every gas well into
It stands to press in pipeline 1 and the first low pressure header 4 and first and is respectively arranged with first pass switching valve 2 and second between header 5
Journey switching valve 3.
The gas well pipeline 1 that enters the station according to whether Inlet pressure is greater than outside downstream defeated pressure passes through first pass switching valve 2, second
Process switching valve 3, which switches over, respectively enters header, then closes first pass switching valve 2 if it is defeated pressure outside downstream is greater than,
It beats second procedure switching valve 3 and enters and press header 5 in first, it is on the contrary then close second procedure switching valve 3, it opens first pass and switches
Valve 2 enters the first low pressure header 4.Conduct is carried out to gas-liquid separator 8 according to the total tolerance for the low-voltage and medium voltage for entering gas gathering station
MP separator or low pressure separator then close the corresponding valve of low pressure as MP separator, press corresponding valve in opening,
Natural gas after gas-liquid separation enters external transport pipeline 16 after pressing header 12 in second.Conversely, then being closed as low pressure separator
The corresponding valve of low pressure is closed, presses corresponding valve in opening, after natural gas after gas-liquid separation enters the second low pressure header 11,
Enter external transport pipeline 16 after being pressurized by compressor 15.
Device provided by the utility model is divided to low-voltage and medium voltage two kinds of operating conditions at runtime, runs in low pressure operating condition
When, natural gas measures through lowpressure stream meter 14 through low pressure header 11 and transports to external transport pipeline 16 outside after the pressurization of compressor 15, real
Existing low pressure natural gas pressurization is outer defeated, improves the recovery ratio in gas field.
By-passing valve of the valve 17 as compressor 15 in the utility model, allow natural gas without compressor 15 and
It is directly outer defeated.
Though the present apparatus be divided into when running in, low pressure operation operating condition, equipment, valve in device presses middle pressure and designs, can
Meet the switching under different operating conditions.Each valve and its pipeline in the utility model are existing apparatus.In can satisfy
Press operating condition.Guarantee the switching under each period difference operating condition.
Embodiment 2:
On the basis of embodiment 1, the first low pressure header 4 and each gas-liquid separator 8 described in the present embodiment it
Between be provided with third process switching valve 7.
It is pressed in first between header 5 and each gas-liquid separator 8 and is provided with the 4th process switching valve 6.
Lowpressure stream meter 14 is equipped between the second low pressure header 11 and compressor 15.
Valve 17 is provided between the lowpressure stream meter 14 and compressor 15.
The valve 17 is by-passing valve.
It is pressed in described second between header 12 and external transport pipeline 16 and is provided with middle pressure type flowmeter 13.
The 5th process switching valve 9 is provided between the second low pressure header 11 and each gas-liquid separator 8.
It is pressed in described second between header 12 and each gas-liquid separator 8 and is provided with the 6th process switching valve 10.
The gas well pipeline 1 that enters the station according to whether Inlet pressure is greater than outside downstream defeated pressure passes through first pass switching valve 2, second
Process switching valve 3, which switches over, respectively enters header, then closes first pass switching valve 2 if it is defeated pressure outside downstream is greater than,
It beats second procedure switching valve 3 and enters and press header 5 in first, it is on the contrary then close second procedure switching valve 3, it opens first pass and switches
Valve 2 enters the first low pressure header 4.
Gas-liquid separator 8 is carried out as MP separator or low according to the total tolerance for the low-voltage and medium voltage for entering gas gathering station
Separator is pressed, third process switching valve 7, the 5th process switching valve 9 are then closed as MP separator, opens the switching of the 4th process
Valve 6, the 6th process switching valve 10, natural gas after gas-liquid separation is entered in second by the 6th process switching valve 10 presses header
After 12, enter external transport pipeline 16 after pressure type flowmeter 13 measures in.Conversely, then closing four process switching valves as low pressure separator
6, the 6th process switching valve 10 opens third process switching valve 7, the 5th process switching valve 9, and natural gas after gas-liquid separation is logical
It crosses after the 5th process switching valve 9 enters the second low pressure header 11, enters after the metering of lowpressure stream meter 14, compressor 15 are pressurized outer
Defeated pipeline 16.
Embodiment 3:
A kind of mesolow gas-liquid separation suitable for multi-state is provided on the basis of Examples 1 and 2, in the present embodiment
Method, specific steps are as follows:
Step 1: gas well enters the station, pipeline 1 passes through first pass switching according to whether Inlet pressure is greater than defeated pressure outside downstream
Valve 2, second procedure switching valve 3 switch over and respectively enter header, then close first pass switching if more than pressure defeated outside downstream
On the contrary valve 2 is beaten second procedure switching valve 3 and is entered and presses header 5 in first, then close second procedure switching valve 3, opening first pass
Switching valve 2 enters the first low pressure header 4；
Step 2: being carried out gas-liquid separator 8 as middle pressure point according to the total tolerance for the low-voltage and medium voltage for entering gas gathering station
From device or low pressure separator, third process switching valve 7, the 5th process switching valve 9 are then closed as MP separator, open the 4th
Process switching valve 6, the 6th process switching valve 10, natural gas after gas-liquid separation enter second by the 6th process switching valve 10
After middle pressure header 12, enter external transport pipeline 16 after pressure type flowmeter 13 measures in；Conversely, then closing four streams as low pressure separator
Journey switching valve 6, the 6th process switching valve 10 open third process switching valve 7, the 5th process switching valve 9, after gas-liquid separation
After natural gas enters the second low pressure header 11 by the 5th process switching valve 9, it is pressurized through the metering of lowpressure stream meter 14, compressor 15
Enter external transport pipeline 16 afterwards.
At gas field development initial stage, the gas well pipeline 1 that enters the station carrys out the requirement that atmospheric pressure is above downstream user, and when normal operation opens
Second procedure switching valve 3, the 4th process switching valve 6, the 6th process switching valve 10 are opened, first pass switching valve 2, third stream are closed
It is outer defeated to realize that all natural gases are not pressurized for journey switching valve 7, the 5th process switching valve 9, reduce operating cost；If desired to certain
It, can be by opening certain when gas well natural gas carries out metering or distributes unbalanced to more gas-liquid separator parallel running tolerance
One or more gas well enters the station first pass switching valve 2, third process switching valve 7, the 5th process switching valve 9 and the valve of pipeline 1
Door 17 realizes the individually flexible allocation of metering or natural gas tolerance.
It enters the station the requirement that pipeline 1 carrys out atmospheric pressure higher than downstream user in gas well middle exploitation stage gas well, when operation opens the
Two process switching valves 3, the 4th process switching valve 6, the 6th process switching valve 10 close first pass switching valve 2, third process is cut
Valve 7, the 5th process switching valve 9 are changed, it is outer defeated to realize that all natural gases are not pressurized, reduces operating cost；Lower than downstream user
It is required that, first pass switching valve 2, third process switching valve 7, the 5th process switching valve 9 are opened when operation, close second procedure
Switching valve 3, the 4th process switching valve 6, the 6th process switching valve 10 realize that low pressure natural gas pressurization is outer defeated.
Carry out the requirement that atmospheric pressure is below downstream user in the gas well development late stage gas well pipeline 1 that enters the station, when operation opens
First pass switching valve 2, third process switching valve 7, the 5th process switching valve 9 close second procedure switching valve 3, the 4th process
Switching valve 6, the 6th process switching valve 10 realize that low pressure natural gas pressurization is outer defeated, improve the recovery ratio in gas field.
By-passing valve of the valve 17 as compressor 15 in the utility model, allow natural gas without compressor 15 and
It is directly outer defeated.
It is above-described, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is simultaneously
It is not limited to this, anyone skilled in the art within the technical scope disclosed by the utility model, according to this reality
It is subject to equivalent substitution or change with novel technical solution and its utility model design, should all covers the protection in the utility model
Within the scope of.The positive apparatus structure of the component being not described in detail in the utility model is the prior art, will in the utility model
No longer it is described in detail.
Claims (9)
1. a kind of mesolow gas-liquid separation device suitable for multi-state, it is characterised in that: enter the station pipeline including a plurality of gas well
(1), header (5) are pressed in the first low pressure header (4) and first, the second low pressure header (11), header (12), compressor are pressed in second
(15), the gas-liquid separator (8) that external transport pipeline (16) He Duotai is arranged in parallel, it is in parallel after gas-liquid separator (8) upstream with
Header (5) connection is pressed in first low pressure header (4) and first, the downstream of the gas-liquid separator (8) after parallel connection is low with second respectively
It presses in header (11) and second and presses header (12), the second low pressure header (11) is connected by compressor (15) and external transport pipeline (16)
It connects, presses header (12) downstream to connect with external transport pipeline (16) in second；Every gas well enters the station pipeline (1) and the first low pressure header
(4) and in first it presses between header (5) and is respectively arranged with first pass switching valve (2) and second procedure switching valve (3).
2. a kind of mesolow gas-liquid separation device suitable for multi-state according to claim 1, it is characterised in that: described
The first low pressure header (4) and each gas-liquid separator (8) between be provided with third process switching valve (7).
3. a kind of mesolow gas-liquid separation device suitable for multi-state according to claim 1, it is characterised in that: first
The 4th process switching valve (6) is provided between middle pressure header (5) and each gas-liquid separator (8).
4. a kind of mesolow gas-liquid separation device suitable for multi-state according to claim 1, it is characterised in that: described
The second low pressure header (11) and compressor (15) between be equipped with lowpressure stream meter (14).
5. a kind of mesolow gas-liquid separation device suitable for multi-state according to claim 4, it is characterised in that: described
Lowpressure stream meter (14) and compressor (15) between be provided with valve (17).
6. a kind of mesolow gas-liquid separation device suitable for multi-state according to claim 5, it is characterised in that: described
Valve (17) be by-passing valve.
7. a kind of mesolow gas-liquid separation device suitable for multi-state according to claim 1, it is characterised in that: described
Second in press and be provided with middle pressure type flowmeter (13) between header (12) and external transport pipeline (16).
8. a kind of mesolow gas-liquid separation device suitable for multi-state according to claim 1, it is characterised in that: described
The second low pressure header (11) and each gas-liquid separator (8) between be provided with the 5th process switching valve (9).
9. a kind of mesolow gas-liquid separation device suitable for multi-state according to claim 1, it is characterised in that: described
Second in press and be provided with the 6th process switching valve (10) between header (12) and each gas-liquid separator (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822242566.1U CN209430182U (en) | 2018-12-29 | 2018-12-29 | A kind of mesolow gas-liquid separation device suitable for multi-state |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822242566.1U CN209430182U (en) | 2018-12-29 | 2018-12-29 | A kind of mesolow gas-liquid separation device suitable for multi-state |
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| CN209430182U true CN209430182U (en) | 2019-09-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611071A (en) * | 2018-12-29 | 2019-04-12 | 西安长庆科技工程有限责任公司 | A kind of mesolow gas-liquid separation device and method suitable for multi-state |
| CN112682700A (en) * | 2020-12-23 | 2021-04-20 | 中国石油大学(华东) | Gas field low pressure gathering and transportation multifunctional pressurizing pry |
| CN112922580A (en) * | 2019-12-06 | 2021-06-08 | 中国石油天然气股份有限公司 | Natural gas processing system, control method thereof and natural gas transmission system |
-
2018
- 2018-12-29 CN CN201822242566.1U patent/CN209430182U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611071A (en) * | 2018-12-29 | 2019-04-12 | 西安长庆科技工程有限责任公司 | A kind of mesolow gas-liquid separation device and method suitable for multi-state |
| CN112922580A (en) * | 2019-12-06 | 2021-06-08 | 中国石油天然气股份有限公司 | Natural gas processing system, control method thereof and natural gas transmission system |
| CN112682700A (en) * | 2020-12-23 | 2021-04-20 | 中国石油大学(华东) | Gas field low pressure gathering and transportation multifunctional pressurizing pry |
| CN112682700B (en) * | 2020-12-23 | 2022-06-24 | 中国石油大学(华东) | Gas field low pressure gathering and transportation multifunctional pressurizing pry |
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