CN107130954B - Two-phase separation measurement skid-mounted device - Google Patents
Two-phase separation measurement skid-mounted device Download PDFInfo
- Publication number
- CN107130954B CN107130954B CN201710300695.9A CN201710300695A CN107130954B CN 107130954 B CN107130954 B CN 107130954B CN 201710300695 A CN201710300695 A CN 201710300695A CN 107130954 B CN107130954 B CN 107130954B
- Authority
- CN
- China
- Prior art keywords
- ball valve
- pipeline
- outlet
- valve
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005191 phase separation Methods 0.000 title claims abstract description 17
- 238000005259 measurement Methods 0.000 title claims description 3
- 239000007788 liquid Substances 0.000 claims abstract description 121
- 239000007789 gas Substances 0.000 claims abstract description 56
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000003345 natural gas Substances 0.000 claims abstract description 18
- 230000001105 regulatory effect Effects 0.000 claims abstract description 16
- 238000005485 electric heating Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 8
- 238000000926 separation method Methods 0.000 description 5
- 239000007791 liquid phase Substances 0.000 description 4
- 238000009417 prefabrication Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
- Degasification And Air Bubble Elimination (AREA)
Abstract
The invention provides a two-phase separation metering skid-mounted device, which comprises a natural gas inlet, a liquid discharge outlet, an air discharge outlet and a separator, wherein the natural gas inlet is communicated with the liquid discharge outlet; the natural gas inlet is communicated with an upper inlet of the separator through a pipeline, and a first ball valve is arranged on the pipeline; the first ball valve is communicated with the vent outlet through a pipeline; an outlet at the upper end of the separator is communicated with a liquid discharge outlet pipeline, and a second ball valve is arranged on the pipeline; a communicating pipeline is arranged between the outlet end of the second ball valve and the natural gas inlet, and a seventh ball valve is arranged on the pipeline; the lower outlet of the separator is communicated with a liquid discharge outlet pipeline, and a liquid flowmeter is arranged on the pipeline; and a sixth ball valve, a regulating valve and a first pneumatic ball valve are sequentially arranged between the liquid flowmeter and the liquid discharge outlet. The gas-liquid mixed transportation system can accurately measure the gas-liquid mixed transportation mode, timely master the production dynamic state of the gas well and the yield condition of the gas and the liquid, and can meet the requirements of dynamic management and fine management.
Description
Technical Field
The invention relates to a two-phase separation metering device, in particular to a device which is used in an oil and gas station to realize effective separation of gas and liquid phases of natural gas and respectively meter the gas and liquid phases when the natural gas is metered.
Background
The Aker Gubin oil gas company in Kazakhstan adopts a gas lift or gas injection mode of oil associated gas to extract crude oil, so that oil displacement is realized by gas, and gas extracted from a gas well contains a large amount of condensate oil at the same time, and the Kazakhstan oil gas company belongs to oil gas mixed transportation. The traditional metering mode cannot realize accurate metering of a gas-liquid mixed transportation mode, cannot timely master the production dynamic condition and the gas-liquid yield condition of a gas well, and cannot meet the requirements of dynamic management and fine management.
Disclosure of Invention
In order to solve the problems that the traditional metering mode cannot realize accurate metering of a gas-liquid mixed conveying mode and cannot timely master the production dynamic gas and liquid yield conditions of a gas well, the invention provides a two-phase separation metering skid-mounted device which can timely master the production dynamic gas and liquid yield conditions of the gas well and carry out gas and liquid separation metering.
The specific technical scheme of the invention is as follows:
a two-phase separation metering skid-mounted device comprises a natural gas inlet, a liquid discharge outlet, an air discharge outlet and a separator; the natural gas inlet is communicated with an upper inlet of the separator through a pipeline, and a first ball valve is arranged on the pipeline; the first ball valve is communicated with the vent outlet through a pipeline; an outlet at the upper end of the separator is communicated with a liquid discharge outlet pipeline, and a second ball valve is arranged on the pipeline; a communicating pipeline is arranged between the outlet end of the second ball valve and the natural gas inlet, and a seventh ball valve is arranged on the pipeline; the lower outlet of the separator is communicated with a liquid discharge outlet pipeline, and a liquid flowmeter is arranged on the pipeline; a sixth ball valve, a regulating valve and a first pneumatic ball valve are sequentially arranged between the liquid flowmeter and the liquid discharge outlet; and the separator is provided with a liquid level metering device, and the liquid level metering device is positioned on the separator barrel and is in electric signal connection with the regulating valve through a cable.
And a gas flowmeter, a throttle valve and a third ball valve are sequentially arranged between the second ball valve and the liquid discharge outlet.
And a communicating pipeline is also arranged between the liquid flowmeter and the liquid discharge outlet, a second pneumatic ball valve is arranged on the communicating pipeline, and the second pneumatic ball valve is connected with the liquid level metering device through a cable electric signal.
And a fourth ball valve and a fifth ball valve are respectively arranged at two ends of the second pneumatic ball valve.
The separator is a double-cylinder separator.
The first ball valve is communicated with the vent outlet through three parallel pipelines, and a first gate valve, a first safety valve and a second gate valve are sequentially arranged between the first ball valve and the vent outlet on a first pipeline through which the first ball valve is communicated with the vent outlet; a third gate valve, a second safety valve and a fourth gate valve are sequentially arranged on the second communicating pipe line from the first ball valve to the vent outlet; and a third pneumatic ball valve and a gate fifth valve are sequentially arranged on the third communicating pipe from the first ball valve to the vent outlet.
The gas flowmeter is a pore plate flowmeter.
And an outlet at the lower end of the separator is provided with a local drain valve.
The liquid level metering device is an explosion-proof electric heating liquid level meter
The invention has the beneficial effects that:
this skid-mounted device adopts the mill prefabrication, accomplishes the back at the mill prefabrication, transports to the station, after flange and evacuation pipeline and flowing back pipeline connection, can put into use.
The following will be further described with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a two-phase separation metering skid-mounted device system.
In the figures, the reference numbers are: 1. a natural gas inlet; 2. a first ball valve; 3. a second ball valve; 4. a gas flow meter; 5. a throttle valve; 6. a third ball valve; 7. a liquid discharge outlet; 8. an in-situ drain valve; 9. a liquid flow meter; 10. a fourth ball valve; 11. a second pneumatic ball valve; 12. a fifth ball valve; 13. a sixth ball valve; 14. adjusting a valve; 15. a first pneumatic ball valve; 16. a first gate valve; 17. a first safety valve; 18. a second gate valve; 19. an air vent outlet; 20. a seventh ball valve; 21. a third gate valve; 22. a second relief valve; 23. a fourth gate valve; 24. a third pneumatic ball valve; 25. a fifth gate valve; 26. a separator; 27. a liquid level metering device.
Detailed Description
Example 1:
in order to solve the problems that the traditional metering mode cannot realize accurate metering of a gas-liquid mixed transportation mode and cannot timely master the production dynamic state and the gas-liquid yield conditions of a gas well, the invention provides a two-phase separation metering skid-mounted device shown in figure 1.
A two-phase separation metering skid-mounted device comprises a natural gas inlet 1, a liquid discharge outlet 7, an air discharge outlet 19 and a separator 26; the natural gas inlet 1 is communicated with an upper inlet of the separator 26 through a pipeline, and a first ball valve 2 is arranged on the pipeline; the first ball valve 2 is communicated with a vent gas outlet 19 through a pipeline; the upper end outlet of the separator 26 is communicated with a liquid discharge outlet 7 through a pipeline, and a second ball valve 3 is arranged on the pipeline; a communicating pipeline is arranged between the outlet end of the second ball valve 3 and the natural gas inlet 1, and a seventh ball valve 20 is arranged on the pipeline; the lower outlet of the separator 26 is communicated with a liquid drainage outlet 7 through a pipeline, and a liquid flowmeter 9 is arranged on the pipeline; a sixth ball valve 13, a regulating valve 14 and a first pneumatic ball valve 15 are sequentially arranged between the liquid flowmeter 9 and the liquid discharge outlet 7; the separator 26 is provided with a liquid level metering device 27, and the liquid level metering device 27 is positioned on the cylinder body of the separator 26 and is in electric signal connection with the regulating valve 14 through a cable.
As shown in fig. 1, the gas from the wellhead enters a separator 26 through a first ball valve 2, the gas and the liquid are separated through a separation device in the tank cavity, liquid drops in the gas are separated, and the separated gas is converged into a liquid discharge outlet 7 through a second ball valve 3; separated liquid (containing condensate, water and the like) is separated by a separator 26, then is measured by a liquid flowmeter 9 and then is discharged through a normal liquid discharge path, in a normal working condition, a regulating valve 14 serves as a liquid discharge valve, when the liquid level reaches a middle liquid level set by a liquid level detection device (the liquid level value is lower than the position of a high-low liquid level switch), the regulating valve 14 is opened, the separator starts to discharge liquid, the liquid flows into a liquid discharge outlet 7 through a sixth ball valve 13, the regulating valve 14 and a first pneumatic ball valve 15, and when the liquid level in the separator reaches a low liquid level switch, the regulating valve 14 is closed, so that the normal liquid discharge process is completed; the pressure of the wellhead incoming gas exceeds the rated pressure (or is lower than the rated pressure), and the gas directly flows into the vent outlet 19 after passing through the first ball valve 2.
The invention relates to a two-phase separation metering device, in particular to a device which is used in an oil and gas station to realize effective separation of gas and liquid phases of natural gas and respectively meter the gas and liquid phases when the natural gas is metered. The gas-liquid mixed transportation system can accurately measure the gas-liquid mixed transportation mode, timely master the production dynamic state of the gas well and the yield condition of the gas and the liquid, and can meet the requirements of dynamic management and fine management.
Example 2:
based on the above embodiments, in the present embodiment, a gas flow meter 4, a throttle valve 5 and a third ball valve 6 are sequentially disposed between the second ball valve 3 and the liquid discharge outlet 7.
A communicating pipeline is further arranged between the liquid flowmeter 9 and the liquid discharge outlet 7, a second pneumatic ball valve 11 is arranged on the communicating pipeline, and the second pneumatic ball valve 11 is electrically connected with the liquid level metering device 27 through a cable.
And a fourth ball valve 10 and a fifth ball valve 12 are respectively arranged at two ends of the second pneumatic ball valve 11.
The separator 26 is a double-barrel separator.
The first ball valve 2 is communicated with the vent outlet 19 through three parallel pipelines, and a first gate valve 16, a first safety valve 17 and a second gate valve 18 are sequentially arranged between the first ball valve 2 and the vent outlet 19 on a first pipeline through which the first ball valve 2 is communicated with the vent outlet 19; a third gate valve 21, a second safety valve 22 and a fourth gate valve 23 are sequentially arranged on the second communicating pipeline from the first ball valve 2 to the vent outlet 19; and a third pneumatic ball valve 24 and a fifth gate valve 25 are sequentially arranged on the third communicating pipeline from the first ball valve 2 to the vent outlet 19.
The gas flow meter 4 is an orifice flow meter.
The outlet at the lower end of the separator 26 is provided with an on-site drain valve 8.
The liquid level metering device 27 is an explosion-proof electric heating liquid level meter with data transmission and local display functions.
As shown in fig. 1, the gas from the well head enters a separator 26 through a first ball valve 2, the gas and the liquid are separated through a separation device in a tank cavity, liquid drops in the gas are separated, the separated gas firstly passes through a second ball valve 3, then is metered through a gas flowmeter 4, and then is converged into a liquid discharge outlet 7 through a throttle valve 5 and a third ball valve 6; separated liquid (containing condensate, water and the like) is separated from a separator 26 and then is measured through a liquid flow meter 9, and is divided into two paths (a normal liquid discharge path, and an emergency liquid discharge path is started when the liquid amount is large), in a normal working condition, a regulating valve 14 is used as a liquid discharge valve, when the liquid level reaches a middle liquid level set by a liquid level detection device (the liquid level value is lower than the position of a high-low liquid level switch), the regulating valve 14 is opened, the separator starts to discharge liquid, the liquid flows through a sixth ball valve 13, the regulating valve 14 and a first pneumatic ball valve 15 and then flows into a liquid discharge outlet 7, and when the liquid level in the separator reaches a low liquid level switch, the regulating valve 14 is closed, so that a normal liquid discharge process is completed; when the liquid level is large, the liquid level reaches a high liquid level switch, the second pneumatic ball valve 11 is opened, an emergency liquid discharge path is started, the liquid flows through the fourth ball valve 10, the second pneumatic ball valve 11 and the fifth ball valve 12 and is converged into the liquid discharge outlet 7, and when the liquid level reaches a medium liquid level, the second pneumatic ball valve 11 is closed, and emergency liquid discharge is completed; under the maintenance working condition of the device, the maintenance sewage in the separator 26 is discharged through the local drain valve 8; the pressure of the incoming gas at the wellhead exceeds the rated pressure (or is lower than the rated pressure), and the gas is converged into a vent outlet 19 through a first gate valve 16, a first safety valve 17 and a second gate valve 18; or the gas flows into the vent outlet 19 after passing through a third gate valve 21, a second safety valve 22 and a fourth gate valve 23; preventing leakage of the incoming gas from the wellhead or the gas passing through the third pneumatic ball valve 24, the fifth gate valve 25, and into the vent outlet 19.
The separator 26 employed in the present invention is a double-drum horizontal separator. The gas flow meter 4 is an orifice flow meter. The liquid level in the separator 26 is interlocked with the second pneumatic ball valve 11 and the regulating valve 14, when the liquid level in the tank reaches a certain level, the normal liquid discharge path is automatically used for discharging liquid, and when the liquid level reaches a larger value, the emergency liquid discharge path is automatically opened for discharging liquid.
This skid-mounted device adopts the mill prefabrication, accomplishes the back at the mill prefabrication, transports to the station, after flange and evacuation pipeline and flowing back pipeline connection, can put into use.
The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the invention, which is intended to be covered by the claims.
Claims (7)
1. A two-phase separation measurement skid-mounted device which is characterized in that: comprises a natural gas inlet (1), a liquid discharge outlet (7), a vent gas outlet (19) and a separator (26); the natural gas inlet (1) is communicated with an upper inlet of the separator (26) through a pipeline, and a first ball valve (2) is arranged on the pipeline; the first ball valve (2) is communicated with the vent gas outlet (19) through a pipeline; an outlet at the upper end of the separator (26) is communicated with a liquid drainage outlet (7) through a pipeline, and a second ball valve (3) is arranged on the pipeline; a communicating pipeline is arranged between the outlet end of the second ball valve (3) and the natural gas inlet (1), and a seventh ball valve (20) is arranged on the pipeline; the lower end outlet of the separator (26) is communicated with a liquid discharge outlet (7) through a pipeline, and a liquid flowmeter (9) is arranged on the pipeline; a sixth ball valve (13), a regulating valve (14) and a first pneumatic ball valve (15) are sequentially arranged between the liquid flowmeter (9) and the liquid discharge outlet (7); a liquid level metering device (27) is arranged on the separator (26), and the liquid level metering device (27) is positioned on the cylinder body of the separator (26) and is in electric signal connection with the regulating valve (14) through a cable;
a communicating pipeline is further arranged between the liquid flowmeter (9) and the liquid discharge outlet (7), a second pneumatic ball valve (11) is arranged on the communicating pipeline, and the second pneumatic ball valve (11) is connected with the liquid level metering device (27) through a cable electric signal;
the first ball valve (2) is communicated with the vent gas outlet (19) through three parallel pipelines, and a first gate valve (16), a first safety valve (17) and a second gate valve (18) are sequentially arranged between the first ball valve (2) and the vent gas outlet (19) on a first pipeline through which the first ball valve (2) is communicated with the vent gas outlet (19); a third gate valve (21), a second safety valve (22) and a fourth gate valve (23) are sequentially arranged on the second communication pipeline from the first ball valve (2) to the vent outlet (19); and a third pneumatic ball valve (24) and a fifth gate valve (25) are sequentially arranged between the first ball valve (2) and the vent outlet (19) on the third communicating pipeline.
2. The two-phase separation metering skid-mounted device of claim 1, wherein: and a gas flowmeter (4), a throttle valve (5) and a third ball valve (6) are sequentially arranged between the second ball valve (3) and the liquid discharge outlet (7).
3. The two-phase separation metering skid-mounted device according to claim 1, wherein: and a fourth ball valve (10) and a fifth ball valve (12) are respectively arranged at two ends of the second pneumatic ball valve (11).
4. The two-phase separation metering skid-mounted device according to claim 1, wherein: the separator (26) is a double-barrel separator.
5. The two-phase separation metering skid-mounted device of claim 2, wherein: the gas flowmeter (4) is a pore plate flowmeter.
6. The two-phase separation metering skid-mounted device according to claim 1, wherein: an outlet at the lower end of the separator (26) is provided with an on-site liquid discharge valve (8).
7. The two-phase separation metering skid-mounted device according to claim 1, wherein: the liquid level metering device (27) is an explosion-proof electric heating liquid level meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710300695.9A CN107130954B (en) | 2017-04-29 | 2017-04-29 | Two-phase separation measurement skid-mounted device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710300695.9A CN107130954B (en) | 2017-04-29 | 2017-04-29 | Two-phase separation measurement skid-mounted device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107130954A CN107130954A (en) | 2017-09-05 |
| CN107130954B true CN107130954B (en) | 2022-12-20 |
Family
ID=59715511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710300695.9A Active CN107130954B (en) | 2017-04-29 | 2017-04-29 | Two-phase separation measurement skid-mounted device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107130954B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202645528U (en) * | 2012-06-29 | 2013-01-02 | 成都天科石油天然气工程有限公司 | Separated and separately transported multi-well alternating measuring combination device |
| CN104791610A (en) * | 2015-04-27 | 2015-07-22 | 西安长庆科技工程有限责任公司 | Skid-mounted type automatic draining device used for evacuation and liquid separation |
| CN104929609A (en) * | 2015-06-30 | 2015-09-23 | 西安长庆科技工程有限责任公司 | Large cluster well group natural gas gas-liquid separation metering mixed transportation skid-mounted unit |
| CN104929610A (en) * | 2015-06-30 | 2015-09-23 | 西安长庆科技工程有限责任公司 | Natural gas production and separation skid-mounted unit based on large cluster well group |
| CN104976512A (en) * | 2015-07-10 | 2015-10-14 | 西安长庆科技工程有限责任公司 | Skid-mounted device based on large cluster well group natural gas throttling and measurement |
| CN205012986U (en) * | 2015-08-27 | 2016-02-03 | 西安道恩石油科技发展有限公司 | Portable well head measurement calibration device |
| US9334722B1 (en) * | 2015-11-18 | 2016-05-10 | Mubarak Shater M. Taher | Dynamic oil and natural gas grid production system |
| CN106593401A (en) * | 2016-12-15 | 2017-04-26 | 西安长庆科技工程有限责任公司 | Mobile type separate metering integrated apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2492322C2 (en) * | 2011-12-13 | 2013-09-10 | Общество с ограниченной ответственностью "ОЗНА-Измерительные системы" | Device to measure product yield of oil and gas producing wells |
-
2017
- 2017-04-29 CN CN201710300695.9A patent/CN107130954B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202645528U (en) * | 2012-06-29 | 2013-01-02 | 成都天科石油天然气工程有限公司 | Separated and separately transported multi-well alternating measuring combination device |
| CN104791610A (en) * | 2015-04-27 | 2015-07-22 | 西安长庆科技工程有限责任公司 | Skid-mounted type automatic draining device used for evacuation and liquid separation |
| CN104929609A (en) * | 2015-06-30 | 2015-09-23 | 西安长庆科技工程有限责任公司 | Large cluster well group natural gas gas-liquid separation metering mixed transportation skid-mounted unit |
| CN104929610A (en) * | 2015-06-30 | 2015-09-23 | 西安长庆科技工程有限责任公司 | Natural gas production and separation skid-mounted unit based on large cluster well group |
| CN104976512A (en) * | 2015-07-10 | 2015-10-14 | 西安长庆科技工程有限责任公司 | Skid-mounted device based on large cluster well group natural gas throttling and measurement |
| CN205012986U (en) * | 2015-08-27 | 2016-02-03 | 西安道恩石油科技发展有限公司 | Portable well head measurement calibration device |
| US9334722B1 (en) * | 2015-11-18 | 2016-05-10 | Mubarak Shater M. Taher | Dynamic oil and natural gas grid production system |
| CN106593401A (en) * | 2016-12-15 | 2017-04-26 | 西安长庆科技工程有限责任公司 | Mobile type separate metering integrated apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 100×10~4m~3/d天然气集气一体化集成装置;张磊等;《石油科技论坛》;20170325;全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107130954A (en) | 2017-09-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202073552U (en) | Automatic oil-gas metering device | |
| CN107299657B (en) | Public supply mains pressure controlling mobile system and the ductwork pressure regulation method realized using the system | |
| CN102650369A (en) | Liquefied natural gas filling pry | |
| CN101892824B (en) | Combined multi-stage pressure control method and device | |
| CN203881553U (en) | Combustion gas pressure regulation test system | |
| CN204255413U (en) | Gas field gas-liquid metering device | |
| CN201778801U (en) | Combined multi-level pressure control device | |
| CN111073682A (en) | Two-stage dehydration system and method for oil field | |
| CN202767168U (en) | Multistage long-distance booster pump station | |
| CN107130954B (en) | Two-phase separation measurement skid-mounted device | |
| CN204023717U (en) | A kind of pot type non-negative pressure water-supply installation of many pumps multifrequency | |
| CN107024344A (en) | A kind of complete pressurized equipment performance detection testing bench of secondary water-supply | |
| CN201000350Y (en) | Double skip single well metering instrument | |
| CN207215226U (en) | A kind of device for liquid ammonia quality flow measurement | |
| CN205116297U (en) | Variable frequency water supply equipment | |
| CN115506775A (en) | Oil-water-gas multi-phase flow array type measuring device and application thereof | |
| CN201014189Y (en) | Automatic liquid discharge device of natural gas station separator | |
| CN206683847U (en) | The complete pressurized equipment performance detection testing bench of secondary water-supply | |
| CN207599062U (en) | Safety valve with emulsion recycling function | |
| CN112459771A (en) | Automatic well reversing and oil-gas-water multiphase flow metering system, control method and application | |
| CN220451853U (en) | Multi-well metering sledge | |
| CN110439509A (en) | Automatic hydrate inhibitor filling system for gas well and automatic filling method thereof | |
| CN221173500U (en) | Novel oil flow standard device | |
| CN209396870U (en) | A kind of self-draining arrangement in new energy vehicle controller test macro | |
| CN219710454U (en) | Pressure and flow double-control secondary water supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |