CN109141545A - A kind of steam allocation metering equipment - Google Patents
A kind of steam allocation metering equipment Download PDFInfo
- Publication number
- CN109141545A CN109141545A CN201810802093.8A CN201810802093A CN109141545A CN 109141545 A CN109141545 A CN 109141545A CN 201810802093 A CN201810802093 A CN 201810802093A CN 109141545 A CN109141545 A CN 109141545A
- Authority
- CN
- China
- Prior art keywords
- steam
- cyclone
- distributor
- mass dryness
- branch pipe
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
- G01F1/32—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
- G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
- G01F1/40—Details of construction of the flow constriction devices
- G01F1/44—Venturi tubes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
Abstract
The invention discloses a kind of steam allocation metering equipment, including cyclone, first steam branch pipe, the mass dryness fractions distributor such as second and the second steam branch pipe, the total input pipe of steam is fixed on the side wall of cyclone, cyclone is fixed with cyclone gland steam exhauster far from a side seal of the total input pipe of steam, the lower end of cyclone is connected with condensed water drain tube, cyclone gland steam exhauster is fixed with rectifier far from a side seal of cyclone, the output end of rectifier is sealedly and fixedly connected and has ball compensator, the output end of ball compensator, which is sealedly and fixedly connected, the mass dryness fractions distributor such as first, sealing is fixed with the first steam branch pipe on two output ends of the mass dryness fractions distributor such as first.The present invention solves by mass dryness fractions distributor, vortex-shedding meter and critical Venturi nozzles such as setting cyclone, mass dryness fractions distributor, second such as first and the mass dryness fractions distribution such as is difficult to realize, and flow output is indefinite to be difficult to adjust, in steam the problem of pollutant raw material easy to pollute.
Description
Technical field
The present invention relates to steam measurement equipment technical field, specially a kind of steam allocation metering equipment.
Background technique
The introduction of related content: heavy crude heat extraction is a kind of industry of highly energy-consuming, and energy-saving potential is very big, realizes that scientific steam injection can
To improve the gas oil ratio and oil recovery factor of thermal recovery.Saturated vapor in injection oil well is carried out reasonably distributing to become restricting
One of the key technology of heavy crude heat extraction economic benefit.In actual production, more boiler networkings are infused by steam injection pipe network to oil well
Vapour.As unit of steam injection station, a kind of mode is to distribute steam to each individual well by ball-type distributor in standing after steam injection pipeline enters the station；
Another kind is to divide vapour layer by layer using T-shape distribution.Steam measurement, distribution in heavy crude heat extraction, regulation problem annoying always oil
Field production, practical steam injection process are substantially at the state let drift, currently, in petroleum exploitation via steam injection petroleum, often one
Boiler is simultaneously to 2~3 mouthfuls of well steam injections, and since the geological condition of each well is different, therefore steam injection pressure has height to have bottom, the suction vapour of each well
Ability is also variant.The big well steam injection rate of vapor absorption capacity is big, steam quality is high；The well steam injection rate of vapor absorption capacity difference is small, steams
Vapour mass dryness fraction is low.As a result it causes the thermal recovery effect of well very poor, influences rate of oil production, influence the raising of oil recovery factor.
Through retrieving, Chinese patent grant number CN100595471, Granted publication 2007-06-15 disclose a kind of steam distribution
Device and symmetrical steam-bleeding pipeline and its application method, especially suitable for steam heavy crude heat extraction；The steam distributor includes four-way, four
Logical left end has into vapour nozzle, respectively has one to go out vapour nozzle in the top and bottom of four-way, having in the right end of four-way can seal up
The plug of four-way right end, four-way into vapour nozzle, go out form cushion chamber between vapour nozzle and plug；The symmetrical steam-bleeding pipeline includes
First steam distributor, first segment stem bar, first pressure gauge and the first steam flow control valve；The application method is to pass through steam
Flow control valve, which adjusts steam flow, keeps the pressure of the pressure gauge of two branch roads identical.Steam distributor of the present invention divides with symmetrical
Steam pipe cable architecture is reasonable and compact, and application method is easy, utilizes the steam distributor and symmetrical steam-bleeding pipeline and its application method
The distribution that steam can efficiently and accurately be carried out, can substantially reduce production cost for heavy crude heat extraction.
Possessed disadvantage is insufficient:
1. the method divided equally layer by layer, so that mass dryness fraction distribution error amplification, it is difficult to the mass dryness fractions distribution such as realization；
2. single be adjusted flow using flow control valve, flow output is indefinite, and will certainly after one branch of adjusting
Other branches are influenced, so that adjusting cumbersome；
3. containing partial particulate or dirt in steam, so that steam is easily attached to pollutant in injection, production is caused
Purity is lower.
Summary of the invention
In view of the deficiencies of the prior art, it the present invention provides a kind of steam allocation metering equipment, solves and is difficult to realize
Mass dryness fraction distribution, flow output is indefinite to be difficult to adjust, in steam the problem of pollutant raw material easy to pollute.
To achieve the above object, the invention provides the following technical scheme:
The mass dryness fractions distributors such as a kind of steam allocation metering equipment, including cyclone, the first steam branch pipe, second and second steam
Vapour branch pipe is fixed with the total input pipe of steam on the side wall of the cyclone, and side of the cyclone far from the total input pipe of steam is close
Envelope is fixed with cyclone gland steam exhauster, and the lower end of the cyclone is connected with condensed water drain tube, and the cyclone gland steam exhauster is separate
One side seal of cyclone is fixed with rectifier, and the output end of the rectifier, which is sealedly and fixedly connected, ball compensator, described
The output end of ball compensator, which is sealedly and fixedly connected, the mass dryness fractions distributor such as first, and two of the mass dryness fractions distributor such as described first are defeated
Sealing is fixed with the first steam branch pipe in outlet.
Preferably, first steam branch pipe is sealedly and fixedly connected far from one end of the mass dryness fractions distributor such as first second etc.
Mass dryness fraction distributor, and first is disposed with from the mass dryness fractions distributor such as first to the mass dryness fractions distributor such as second on the first steam branch pipe
Controlling valve and second pressure sensor.
Preferably, the mass dryness fractions distributor such as described second is far from sealing connects on two output ends of the first steam branch pipe side
It is connected to the second steam branch pipe, second steam branch pipe is sealedly and fixedly connected on the output end far from the mass dryness fractions distributor such as second to be had
Critical Venturi nozzle.
Preferably, it is disposed on second steam branch pipe from the mass dryness fractions distributor such as second to critical Venturi nozzle
Vortex-shedding meter, temperature sensor and first pressure sensor.
Preferably, the second controlling valve is provided on one end of near critical Venturi nozzle on second steam branch pipe.
The present invention provides a kind of steam allocation metering equipment, have it is following the utility model has the advantages that
(1) present invention passes through setting cyclone, cyclone gland steam exhauster, rectifier, ball compensator and condensed water drain tube,
Cyclone carries out eddy flow removal of impurities to the steam through the total input pipe injection of steam, and the impurity in steam is avoided to pollute object to be processed, and
Pollutant and condensed water etc. are discharged by condensed water drain tube, and most of steam then passes through cyclone gland steam exhauster and is discharged, and are rectified
Device rectifies the steam of eddy flow, guarantees steam stable flowing, and ball compensator relies primarily on the angular displacement of sphere to inhale
It receives or compensates lateral displacement on pipeline one or more direction, ball compensator should use in pairs, and separate unit is used without compensation energy
Power can make pipeline universal joint use and be attached the mass dryness fractions distributor such as first, and ball compensator compensation ability is big, fluid resistance
It is small with distortional stress, no blind flange force and small to the active force of hold-down support.
(2) present invention passes through the mass dryness fractions distributors, first such as mass dryness fractions distributor, the first steam branch pipe, second such as setting first
Controlling valve and second pressure sensor, the mass dryness fractions distributor such as first carry out the mass dryness fractions such as whole for the first time to steam and distribute, the second pressure
Force snesor detects pressure in the first steam branch pipe, determines the internal pressure of the branch pipe after dividing equally, the first controlling valve is then adjustable
Each steam input quantity of control classification for the first time, the mass dryness fractions distributor such as second then carries out steam to separate conveying, so that each defeated
The vapor equalization of branch pipe is stablized out.
(3) present invention passes through setting vortex-shedding meter, temperature sensor, first pressure sensor, critical Venturi nozzle
With the second controlling valve, vortex-shedding meter measures steam in the second steam branch pipe of output, temperature sensor and the first pressure
Force snesor then carries out side pressure thermometric to the steam in the second steam branch pipe, and data are intuitively shown, is more convenient regulation, the second regulation
Valve facilitates staff substantially to regulate and control steam input quantity, and critical Venturi nozzle can then carry out matching according to different pore size and be suitable for
Oil well, be more convenient control, distribute in right amount more reliable.
Detailed description of the invention
Fig. 1 is main view of the present invention；
Fig. 2 is the connection structure diagram of cyclone of the present invention, rectifier and ball compensator.
In figure: 1, cyclone；2, cyclone gland steam exhauster；3, rectifier；4, ball compensator；5, the mass dryness fractions such as first are distributed
Device；6, the first steam branch pipe；7, the mass dryness fractions distributor such as second；8, vortex-shedding meter；9, temperature sensor；10, first pressure passes
Sensor；11, critical Venturi nozzle；12, the total input pipe of steam；13, condensed water drain tube；14, the first controlling valve；15, second
Pressure sensor；16, the second steam branch pipe；17, the second controlling valve.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As illustrated in fig. 1 and 2, the present invention provides a kind of technical solution: a kind of steam allocation metering equipment, including cyclone 1,
It is always defeated to be fixed with steam on the side wall of cyclone 1 for the mass dryness fractions distributors 7 such as the first steam branch pipe 6, second and the second steam branch pipe 16
Enter pipe 12, and cyclone 1 is fixed with cyclone gland steam exhauster 2 far from a side seal of the total input pipe 12 of steam, cyclone 1 is circular cone
Shape structure, internal includes that 5~50 not connected but the identical channel of geometry, each channel are in along distributor axis direction
Spiral shape trend, the lower end of cyclone 1 are connected with condensed water drain tube 13, and side of the cyclone gland steam exhauster 2 far from cyclone 1 is close
Envelope is fixed with rectifier 3, and rectifier is constituted by 5~50 around the channel that distributor axis is distributed, and the partition between channel is straight
Plate, the cross-sectional area in channel are sector.But having one section in the cross section vertical with distributor with the adjacent one side of cyclone is V
Shape, the output end of rectifier 3, which is sealedly and fixedly connected, ball compensator 4, the model YGQB of ball compensator 4, and cyclone 1 is right
The steam injected through the total input pipe 12 of steam carries out eddy flow removal of impurities, and the impurity in steam is avoided to pollute object to be processed, and pollutant
And condensed water etc. is discharged by condensed water drain tube 13, and most of steam then passes through the discharge of cyclone gland steam exhauster 2, rectifier 3
The steam of eddy flow is rectified, guarantees steam stable flowing, and ball compensator 4 relies primarily on the angular displacement of sphere to absorb
Or lateral displacement on compensation pipeline one or more direction, ball compensator 4 should use in pairs, separate unit is used without compensation energy
Power can make pipeline universal joint use and be attached the mass dryness fractions distributor 5 such as first, and 4 compensation ability of ball compensator is big, fluid resistance
Power and distortional stress are small, no blind flange force and small to the active force of hold-down support, and the output end of ball compensator 4 is sealedly and fixedly connected
There is the mass dryness fractions distributor 5 such as first, sealing is fixed with the first steam branch pipe 6 on two output ends of the mass dryness fractions distributor 5 such as first,
First steam branch pipe 6 is sealedly and fixedly connected far from one end of the mass dryness fractions distributor 5 such as first the mass dryness fractions distributor 7 such as second, and the
The first controlling valve 14 and are disposed on one steam branch pipe 6 from the mass dryness fractions distributor 5 such as first to the mass dryness fractions distributor 7 such as second
Two pressure sensors 15, the model PXM309-020G10V of second pressure sensor 15, the mass dryness fractions distributor 5 such as first is to steam
It carries out the mass dryness fractions distribution such as whole, second pressure sensor 15 for the first time to detect pressure in the first steam branch pipe 6, determine equal
The internal pressure of branch pipe after point, the first controlling valve 14 each steam input quantity that then controllable first time is classified, the mass dryness fractions such as second point
Orchestration 7 then carries out steam to separate conveying, so that the vapor equalization of each output branch pipe is stablized, the mass dryness fractions distributor 7 such as second is remote
From the second steam branch pipe 16 is sealedly connected on two output ends of 6 side of the first steam branch pipe, the second steam branch pipe 16 is remote
Being sealedly and fixedly connected on the output end of mass dryness fractions distributor 7 from second etc. has critical Venturi nozzle 11, on the second steam branch pipe 16
Vortex-shedding meter 8, temperature sensor 9 and first are disposed with from the mass dryness fractions distributor 7 such as second to critical Venturi nozzle 11
Pressure sensor 10, the model XBOLUGB of vortex-shedding meter 8, the model PT100 of temperature sensor 9, first pressure sensing
The model PXM309-020G10V of device 10 is provided on second steam branch pipe 16 on one end of near critical Venturi nozzle 11
Second controlling valve 17, steam measures in the second steam branch pipes 16 of 8 pairs of vortex-shedding meter output, temperature sensor 9 and the
One pressure sensor 10 then carries out side pressure thermometric to the steam in the second steam branch pipe 16, and data are intuitively shown, is more convenient regulation,
Second controlling valve 17 facilitates staff substantially to regulate and control steam input quantity, and critical Venturi nozzle 11 then can be according to different pore size
The suitable oil well of pairing is carried out, control is more convenient, distributes in right amount more reliable.
In use, steam is injected into cyclone 1 by the total input pipe 12 of steam first, steam in cyclone 1 into
Row removal of impurities processing, impurity etc. are then discharged by condensed water drain tube 13, and most of steam is passed through in rectifier 3 and rectifies, and make steam
Rheology is symmetrical annular flow, then by carrying out steam quality by the mass dryness fractions distributor 5 such as first after 4 compensation pressure of ball compensator
Evenly distribute, avoid using the distribution error amplification of mass dryness fraction existing for the multilayer method of salary distribution and being difficult to realize etc. dry in the prior art
The problem of degree distribution, second pressure sensor 15 carries out the pressure monitoring of branched pipe, and the first controlling valve 14 is then in first steaming
Vapour branch pipe 6 without using when closed, more rapidly, vortex-shedding meter 8, temperature sensor 9 and first pressure pass global regulation
Sensor 10 carries out flow to each second steam branch pipe 16 respectively, temperature and pressure is monitored, and facilitates and stablizes accurately, after metering
It is sprayed by critical Venturi nozzle 11, is required to determine corresponding critical literary mound according to the steam injection of each individual well
In nozzle 11 aperture, the selection in the aperture determined that the critical flow of the critical Venturi nozzle 11, the critical flow are
The flow of each critical Venturi nozzle 11 is kept to reach critical flow in the injection process of individual well for the injection flow of individual well
Amount, to meet the steam injection requirement of each individual well.
It can to sum up obtain, the present invention passes through the mass dryness fractions distributors 7, whirlpool such as the mass dryness fractions distributors 5, second such as setting cyclone 1, first
Street flowmeter 8 and critical Venturi nozzle 11 solve and the mass dryness fractions distribution such as are difficult to realize, and flow output is indefinite to be difficult to adjust, and steam
In vapour the problem of pollutant raw material easy to pollute.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. mass dryness fractions distributors (7) such as a kind of steam allocation metering equipment, including cyclone (1), the first steam branch pipe (6), second
With the second steam branch pipe (16), it is characterised in that:
The total input pipe of steam (12) is fixed on the side wall of the cyclone (1), and cyclone (1) is far from the total input pipe of steam
(12) a side seal is fixed with cyclone gland steam exhauster (2), and the lower end of the cyclone (1) is connected with condensed water drain tube
(13), the cyclone gland steam exhauster (2) is fixed with rectifier (3) far from a side seal of cyclone (1), the rectifier (3)
Output end be sealedly and fixedly connected and have ball compensator (4), the output end of the ball compensator (4), which is sealedly and fixedly connected,
First-class mass dryness fraction distributor (5), sealing is fixed with the first steam branch on two output ends of the mass dryness fractions distributor (5) such as described first
It manages (6)；
It is sealedly connected on two output ends of separate first steam branch pipe (6) side of the mass dryness fractions distributor (7) such as described second
Second steam branch pipe (16), second steam branch pipe (16) are solid far from sealing on the output end of the mass dryness fractions distributor (7) such as second
Surely critical Venturi nozzle (11) are connected with.
2. a kind of steam allocation metering equipment according to claim 1, it is characterised in that: first steam branch pipe (6)
One end far from the mass dryness fractions distributor (5) such as first is sealedly and fixedly connected and has the mass dryness fractions distributor (7) such as second, and the first steam branch pipe
(6) the first controlling valve (14) and second are disposed with from the mass dryness fractions distributor (5) such as first to the mass dryness fractions distributor (7) such as second on
Pressure sensor (15).
3. a kind of steam allocation metering equipment according to claim 1, it is characterised in that: second steam branch pipe (16)
On from the mass dryness fractions distributor (7) such as second to critical Venturi nozzle (11) be disposed with vortex-shedding meter (8), temperature sensor
(9) and first pressure sensor (10).
4. a kind of steam allocation metering equipment according to claim 1 or 3, it is characterised in that: second steam branch pipe
(16) the second controlling valve (17) are provided on the one end of near critical Venturi nozzle (11) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810802093.8A CN109141545A (en) | 2018-07-20 | 2018-07-20 | A kind of steam allocation metering equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810802093.8A CN109141545A (en) | 2018-07-20 | 2018-07-20 | A kind of steam allocation metering equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109141545A true CN109141545A (en) | 2019-01-04 |
Family
ID=64801307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810802093.8A Pending CN109141545A (en) | 2018-07-20 | 2018-07-20 | A kind of steam allocation metering equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109141545A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219623A (en) * | 2019-07-21 | 2019-09-10 | 中石化石油工程技术服务有限公司 | A kind of branch line flow distribution device and its metering method |
| CN111535798A (en) * | 2020-06-19 | 2020-08-14 | 四川奥达测控装置有限公司 | Steam metering system and metering method |
| CN114877963A (en) * | 2022-07-13 | 2022-08-09 | 克拉玛依市城投油砂矿勘探有限责任公司 | Steam generation control method and system based on steam flow measurement |
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| CN203809427U (en) * | 2014-03-31 | 2014-09-03 | 北京工业大学 | Supergravity self-rotational flow online oil purification device |
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| CN106437652A (en) * | 2016-08-26 | 2017-02-22 | 新疆华隆油田科技股份有限公司 | Distribution and measurement adjusting device for injected steam in heavy oil production and using method thereof |
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| CN114877963A (en) * | 2022-07-13 | 2022-08-09 | 克拉玛依市城投油砂矿勘探有限责任公司 | Steam generation control method and system based on steam flow measurement |
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Application publication date: 20190104 |