CN102705710A - Multi-well alternant separation measurement combined device for rapidly switching separate delivery and mixing delivery of gas and liquid - Google Patents
Multi-well alternant separation measurement combined device for rapidly switching separate delivery and mixing delivery of gas and liquid Download PDFInfo
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- CN102705710A CN102705710A CN2012102197388A CN201210219738A CN102705710A CN 102705710 A CN102705710 A CN 102705710A CN 2012102197388 A CN2012102197388 A CN 2012102197388A CN 201210219738 A CN201210219738 A CN 201210219738A CN 102705710 A CN102705710 A CN 102705710A
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Abstract
The invention relates to the field of natural gas equipment, and provides a device formed by combining a switching valve box, a gas-liquid separator and natural gas and liquid measuring equipment, in particular to a multi-well alternant separation measurement combined device mainly used for measuring the gas and the liquid in an alternate way after gas-liquid separation is performed on multiple natural gas wells. The multi-well alternant separation measurement combined device comprises a plurality of valves and a separator; a gas inlet of the separator is at lest connected with two gas wells through the valves; a gas outlet of the separator is connected with a natural gas wedge-shaped flowmeter; an output end of the natural gas wedge-shaped flowmeter is connected with a mixed gas output pipeline; and a liquid outlet of the separator is connected with a liquid wedge-shaped flowmeter. The multi-well alternant separation measurement combined device is applied to separation and measurement of the gas and the liquid of the natural gas.
Description
Technical field
The present invention relates to the natural gas facility field; A kind of device that switching valve group, gas-liquid separator and rock gas and liquid meter equipment are combined is provided, be mainly used in realize many mouthfuls of gas well after realizing gas-liquid separation to gas-liquid rotate respectively metering a kind of gas-liquid branch, mix defeated many wells of switching fast and rotate the separate measurement composite set.
Background technique
It is one of necessary means that realizes gas field high-quality exploitation that each well head institute's producing natural gas and liquid are measured.Along with the exploitation dynamics to the lower low permeability gas field of output continues to increase, controlling cost becomes the important topic of gas field development.Adopt the development scheme of cluster well can reduce the development cost of low permeability gas field, and many low permeability gas field institute producing natural gas liquid content is higher, needs can satisfy after the gas-liquid separation required precision of metering, this has also just brought the occasion of application for the present invention.The water yield of gas well also has than big-difference in different production period.Because gas well development late stage water yield increases gradually, need change the original gas-liquid delivery mode in well station into gas-liquid and divide defeated mode, traditional method is the old plant construction new equipment of stopping using, this causes investment height and gas well to stop production for a long time.In addition, there is the space of optimizing in the technological process of traditional gas-liquid separation.
Summary of the invention
The object of the present invention is to provide a kind of liquid of can realizing to divide the quick switching of two kinds of flow processs of defeated and gas-liquid delivery; Shared separator of many wells and metering equipment through cluster well; With switching valve group, separator and metering equipment combination; And the mode of optimization means technological process to be to practice thrift investment and floor space, mixes defeated flow process and can satisfy a kind of gas-liquid branch that no dispatch from foreign news agency and unmanned occasion use, mix defeated many wells of switching fast and rotate the separate measurement composite set.
The present invention adopts following technological scheme to achieve these goals:
A kind of gas-liquid branch, the mixed defeated many wells that switch are fast rotated the separate measurement composite set; It is characterized in that: comprise separator; A plurality of valves, the suction port of said separator are connected through valve with 2 gas wells at least, and the air outlet of said separator is connected with rock gas wedge shape flowmeter; Said rock gas wedge shape flowmeter output terminal connects the mixture output tube road, and the liquid port of said separator is connected with liquid wedge shape flowmeter.
Say that further said liquid wedge shape flowmeter connects the mixture output tube road through valve.Be and adopt gas-liquid separation to mix defeated structure.
Further say, adopt gas-liquid separation to mix when failing structure, also comprise pneumatic automatic drain unit, said pneumatic automatic drain unit is arranged between wedge shape flowmeter and the mixture output tube road.
Say that further adopt gas-liquid separation to mix when failing structure, said mixture output tube road is connected with the valve that is connected with gas well.
Say that further said liquid wedge shape flowmeter connects storage tank.Promptly adopt gas-liquid separation to divide defeated structure.
Further say, when adopting gas-liquid separation to divide defeated structure, comprise that also low level chain turn-offs the unit, said low level chain turn-off the unit be arranged on liquid wedge shape flowmeter and storage tank this.
Further say, when adopting gas-liquid separation to divide defeated structure, also comprise electronic automatic drain unit, said electronic automatic drain unit be arranged on liquid wedge shape flowmeter and storage tank this.
Say that further adopt gas-liquid separation to divide when failing structure, the liquid port of said separator directly is connected with storage tank through valve.
Say that further adopt gas-liquid separation to divide when failing structure, the air outlet of said separator is connected with the valve that is connected with the mixture output tube road.
Say that further adopt gas-liquid separation to divide when failing structure, said mixture output tube road is connected with the valve that is connected with gas well.
The present invention has following beneficial effect:
One, the present invention can realize that many mouthfuls of shared separators of well and metering equipment can practice thrift investment, and the investment that the well of varying number is practiced thrift is different.If the investment of two mouthfuls of wells shared saving one cover separator, metering equipment and corresponding pipeline, if the shared investment of then practicing thrift three cover separator, metering equipment and corresponding pipeline of four-hole well.
Two, switching valve group, separator and metering equipment combination can reduce floor space.
Three, branch separates and is provided with the low level chain shutoff of 12-system in the defeated flow process, can effectively prevent high-pressure natural gas entering low pressure liquid storage tank, and is accidents caused.
Four, because the mixed defeated flow process power consumption of separation is extremely low, can realize not having the occasion use of dispatch from foreign news agency.It is succinct to separate mixed defeated flow process, and controlling schemes is simple and practical, can realize unmanned.
Five, separate mixed defeated flow process and cancelled flowmeter and cut-off valve bypass, can reduce investment outlay.
Six, divide defeated and mixed defeated flow process to change fast, strengthened the adaptability of device, but the investment that saveall is changed reduces the loss that brings because of workflow reengineering.
Description of drawings
Fig. 1 measures the composite set flow chart by turns for branch separates defeated many wells;
Fig. 2 measures the composite set flow chart by turns for separating mixed defeated many wells;
1-gas well 1 gas, 2-gas well 2 gas, 3-mixed gas go downstream, 4-liquid to go to storage tank, 5-valve 1,6-valve 2,7-valve 3,8-valve 4,9-separator, 10-rock gas wedge shape flowmeter, 11-liquid wedge shape flowmeter, the low level chain shutoff of 12-unit, the electronic automatic drain of 13-unit, and the pneumatic automatic drain of 14-unit, 15-reserve joint.
Embodiment
Do further explanation in the face of the present invention down:
Device can be used for Liang Kou and the metering by turns of well head rock gas and liquid more than two mouthfuls.Be primarily aimed at the higher cluster well rock gas that needs separation of impurity content.
Technological process of the present invention can divide defeated and the realization of gas-liquid delivery dual mode through rock gas and separating liquid gas-liquid.Gas-liquid divides defeated flow process to see Fig. 1, and the gas-liquid delivery flow process is seen Fig. 2.Fig. 1 and Fig. 2 are that example is drawn with two mouthfuls of wells all.
5-valve 1,6-valve 2,7-valve 3 and 8-valve 4 have been formed the switching valve group, are combined into integrated device with 9-separator, wedge shape flowmeter etc. and realize switching, separate and multiple function such as metering.
Big because of well head rock gas amount of contaminants, kind is many, so rock gas and liquid meter are all selected the stronger wedge shape flowmeter of stain resistance for use.
Gas-liquid is divided the defeated occasion that the production fluid amount can not realize gas-liquid delivery greatly that is mainly used in; Drainage system adopts electricity powered, considers when 9-separator liquid level is extremely low, to exist high-pressure natural gas to scurry into the low pressure liquid storage tank and causes the low level chain of 12-that is provided with of accident to turn-off system.
Gas-liquid delivery then is mainly used in the less occasion of production fluid amount, and drainage system adopts pneumatically controlled, and consumer selects for use the low power consumption product to make the device total output be lower than 5w, can only use solar energy or battery-driven well station to use in no dispatch from foreign news agency.
Because the gas-liquid delivery flow process can realize bypass function through the switching valve group, and that separate measurement lost efficacy was less to producing influence, so flow of the present invention optimizes, and had cancelled flowmeter and liquid discharging valve bypass.Through optimizing, the gas-liquid delivery flow process is very succinct, and the control mode of employing is also simple and practical, can realize full-automatic control, and then realizes unmanned.
In order to improve the versatility of device, gas-liquid is divided defeated and the gas-liquid delivery flow process is considered to reserve joint, can realize the quick conversion of two kinds of flow processs.
Gas-liquid divides the working procedure of conveying device following:
Realize that through device becoming the 3-mixed gas after the metering by turns goes to downstream by 1-well head 1 gas and 2-well head 2 gas.When 5-valve 1 and 6-valve 4 are opened; When 7-valve 2 cut out with 8-valve 3, the 9-separator separated 1-well head 1 gas, separated the 4-liquid that produces and removed storage tank; 10-rock gas wedge shape flowmeter measures 1-well head 1 gas, and 11-liquid wedge shape flowmeter comes the gas parting liquid to measure to 1-well head 1.When 5-valve 1 and 6-valve 4 are closed; When 7-valve 2 was opened with 8-valve 3, the 9-separator separated 2-well head 2 gas, separated the 4-liquid that produces and removed storage tank; 10-rock gas wedge shape flowmeter measures 2-well head 2 gas, and 11-liquid wedge shape flowmeter comes the gas parting liquid to measure to 2-well head 2.The electronic automatic drain of 13-system keeps 9-separator liquid level stable, and 12-is low, and level chain turn-offs system protection downstream low-voltage equipment.
The working procedure of gas-liquid mixing conveyance is following:
Realize that through device becoming the 3-mixed gas after the metering by turns goes to downstream by 1-well head 1 gas and 2-well head 2 gas.When 5-valve 1 and 6-valve 4 are opened; When 7-valve 2 cuts out with 8-valve 3; The 9-separator separates 1-well head 1 gas; Separate generation liquid and after metering, mix conveying with gas, 10-rock gas wedge shape flowmeter measures 1-well head 1 gas, and 11-liquid wedge shape flowmeter comes the gas parting liquid to measure to 1-well head 1.When 5-valve 1 and 6-valve 4 are closed; When 7-valve 2 is opened with 8-valve 3; The 9-separator separates 2-well head 2 gas; Separate the liquid that produces and after metering, mix conveying with gas, 10-rock gas wedge shape flowmeter measures 2-well head 2 gas, and 11-liquid wedge shape flowmeter comes the gas parting liquid to measure to 2-well head 2.The pneumatic automatic drain of 14-system keeps 9-separator liquid level stable.
In order to improve the versatility of device, gas-liquid is divided defeated and the gas-liquid delivery flow process considers that 15-reserves joint, and the position that installs various device, valve, pipeline simultaneously is consistent, to realize the quick conversion of two kinds of flow processs.
Claims (10)
1. a gas-liquid branch, the mixed defeated many wells that switch are fast rotated the separate measurement composite set; It is characterized in that: comprise separator; A plurality of valves, the suction port of said separator are connected through valve with 2 gas wells at least, and the air outlet of said separator is connected with rock gas wedge shape flowmeter; Said rock gas wedge shape flowmeter output terminal connects the mixture output tube road, and the liquid port of said separator is connected with liquid wedge shape flowmeter.
2. a kind of gas-liquid branch according to claim 1, the mixed defeated many wells that switch are fast rotated the separate measurement composite set, it is characterized in that: said liquid wedge shape flowmeter is through valve connection mixture output tube road.
3. a kind of gas-liquid branch according to claim 2, the mixed defeated many wells that switch are fast rotated the separate measurement composite set; It is characterized in that: also comprise pneumatic automatic drain unit, said pneumatic automatic drain unit is arranged between wedge shape flowmeter and the mixture output tube road.
4. a kind of gas-liquid branch according to claim 2, the mixed defeated many wells that switch are fast rotated the separate measurement composite set, and it is characterized in that: said mixture output tube road is connected with the valve that is connected with gas well.
5. many wells of a kind of separation according to claim 1 measure composite set by turns, it is characterized in that: said liquid wedge shape flowmeter connects storage tank.
6. a kind of gas-liquid branch according to claim 5, the mixed defeated many wells that switch are fast rotated the separate measurement composite set; It is characterized in that: comprise that also low level chain turn-offs the unit, said low level chain turn-off the unit be arranged on liquid wedge shape flowmeter and storage tank this.
7. a kind of gas-liquid branch according to claim 5, the mixed defeated many wells that switch are fast rotated the separate measurement composite set; It is characterized in that: also comprise electronic automatic drain unit, said electronic automatic drain unit be arranged on liquid wedge shape flowmeter and storage tank this.
8. a kind of gas-liquid branch according to claim 5, the mixed defeated many wells that switch are fast rotated the separate measurement composite set, and it is characterized in that: the liquid port of said separator directly is connected with storage tank through valve.
9. a kind of gas-liquid branch according to claim 5, the mixed defeated many wells that switch are fast rotated the separate measurement composite set, and it is characterized in that: the air outlet of said separator is connected with the valve that is connected with the mixture output tube road.
10. a kind of gas-liquid branch according to claim 5, the mixed defeated many wells that switch are fast rotated the separate measurement composite set, and it is characterized in that: said mixture output tube road is connected with the valve that is connected with gas well.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102197388A CN102705710A (en) | 2012-06-29 | 2012-06-29 | Multi-well alternant separation measurement combined device for rapidly switching separate delivery and mixing delivery of gas and liquid |
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| CN2012102197388A CN102705710A (en) | 2012-06-29 | 2012-06-29 | Multi-well alternant separation measurement combined device for rapidly switching separate delivery and mixing delivery of gas and liquid |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948166A (en) * | 2015-06-30 | 2015-09-30 | 西安长庆科技工程有限责任公司 | Large-scale cluster well group combination metering device and method |
| CN105001929A (en) * | 2015-08-12 | 2015-10-28 | 成都国光电子仪表有限责任公司 | Condensate natural gas separating and metering structure |
| CN105021248A (en) * | 2015-08-12 | 2015-11-04 | 成都国光电子仪表有限责任公司 | Structure convenient for achieving gas-liquid phase separation of natural gas and single measurement |
| CN105020585A (en) * | 2015-08-12 | 2015-11-04 | 成都国光电子仪表有限责任公司 | Condensate natural gas gas-phase flow metering device |
| CN105136214A (en) * | 2015-08-12 | 2015-12-09 | 成都国光电子仪表有限责任公司 | Metering device for condensate natural gas pipelines facilitating use of turbine flowmeter |
| CN110857873A (en) * | 2018-08-23 | 2020-03-03 | 中国石油天然气股份有限公司 | Natural gas flow detects uses anticorrosive device and natural gas flow detecting system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948166A (en) * | 2015-06-30 | 2015-09-30 | 西安长庆科技工程有限责任公司 | Large-scale cluster well group combination metering device and method |
| CN105001929A (en) * | 2015-08-12 | 2015-10-28 | 成都国光电子仪表有限责任公司 | Condensate natural gas separating and metering structure |
| CN105021248A (en) * | 2015-08-12 | 2015-11-04 | 成都国光电子仪表有限责任公司 | Structure convenient for achieving gas-liquid phase separation of natural gas and single measurement |
| CN105020585A (en) * | 2015-08-12 | 2015-11-04 | 成都国光电子仪表有限责任公司 | Condensate natural gas gas-phase flow metering device |
| CN105136214A (en) * | 2015-08-12 | 2015-12-09 | 成都国光电子仪表有限责任公司 | Metering device for condensate natural gas pipelines facilitating use of turbine flowmeter |
| CN110857873A (en) * | 2018-08-23 | 2020-03-03 | 中国石油天然气股份有限公司 | Natural gas flow detects uses anticorrosive device and natural gas flow detecting system |
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Application publication date: 20121003 |