CN108894769A - Integrated differential-pressure-type gas-liquid two-phase flow well head monitoring device - Google Patents
Integrated differential-pressure-type gas-liquid two-phase flow well head monitoring device Download PDFInfo
- Publication number
- CN108894769A CN108894769A CN201810347759.5A CN201810347759A CN108894769A CN 108894769 A CN108894769 A CN 108894769A CN 201810347759 A CN201810347759 A CN 201810347759A CN 108894769 A CN108894769 A CN 108894769A
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- Prior art keywords
- pressure
- static pressure
- liquid
- homogenizer
- venturi
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- 239000007788 liquid Substances 0.000 title claims abstract description 21
- 230000005514 two-phase flow Effects 0.000 title claims abstract description 12
- 238000012806 monitoring device Methods 0.000 title claims abstract description 8
- 230000003068 static effect Effects 0.000 claims abstract description 36
- 238000005259 measurement Methods 0.000 claims abstract description 16
- 210000005239 tubule Anatomy 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229920006324 polyoxymethylene Polymers 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000012530 fluid Substances 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
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
- E21B47/00—Survey of boreholes or wells
-
- 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
- E21B47/06—Measuring temperature or pressure
-
- 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
- E21B47/06—Measuring temperature or pressure
- E21B47/07—Temperature
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Measuring Volume Flow (AREA)
Abstract
The present invention relates to technical field of oil production engineering, belong to a kind of integrated differential-pressure-type gas-liquid two-phase flow well head monitoring device, it solves the problems, such as that the prior art is unable to synchronous measurement gas-liquid two-phase flow and operating condition and mark condition down-off conversion, shortens the length of metering device.The present invention includes flange（1）, shunt impact homogenizer（2）, nut（3）, bolt（4）, static pressure transducer（5）, temperature sensor（6）, static pressure device（7）, moisture sensor（8）, pressure guiding pipe（9）, differential pressure flowmeter sensor（10）, anti-venturi measure chamber（11）, homogenizer tubule（12）, raise weir（13）, upper prepared cap（14）, sleeve（15）, moisture content radio-frequency antenna component（16）And lower prepared cap（17）.There is the present invention apparatus structure to be simple and convenient to operate, product cost is high, and measurement accuracy meets gas well liquid loading requirement.
Description
Technical field
The present invention relates to technical field of oil production engineering, belong to a kind of integrated differential-pressure-type gas-liquid two-phase flow well head monitoring dress
It sets.
Background technique
The gas well that a bite normally produces, instantaneous gas & water yielding is relatively stable, once and gas well plug-ging, instantaneous air water produce
Amount has fluctuation by a relatively large margin.Therefore, the instant productivity of gas well can reflect the variation of outlet well operating condition in time.Currently,
During gas well liquid loading, there are a kind of gas-liquid biphase flowmeter, such as Patent No. in used metering device
Product described in the patent of " CN201610089484.0 " needs just to be able to achieve separate phase flow rate metering using two flowmeters,
Can not synchronous measurement gas-liquid two-phase flow, and can not achieve operating condition and mark condition under flow convert.
Summary of the invention
The present invention, which provides one kind, with existing gas-liquid biphase flowmeter synchronous measurement gas-liquid two-phase flow and can realize work
The integrated differential-pressure-type gas-liquid two-phase flow well head monitoring device of condition and mark condition down-off conversion.
Technical solution provided by the present invention is：It includes flange, shunts impact homogenizer, nut, bolt, static pressure sensing
Device, temperature sensor, static pressure device, moisture sensor, pressure guiding pipe, differential pressure flowmeter sensor, anti-venturi measurement chamber,
Matter device tubule, Yang Yan, upper prepared cap, sleeve, moisture content radio-frequency antenna component and lower prepared cap, wherein flange is impacted with shunting respectively
Device, static pressure device and anti-venturi measurement chamber are welded to connect, and shunt impact homogenizer and static pressure device by flange by nuts and bolt
Be fixedly connected, static pressure transducer and temperature sensor and the screwed connection of static pressure device, raise weir and static pressure device is welded to connect, static pressure device with
Anti- venturi measurement chamber is fixedly connected by flange by nuts and bolt, and moisture sensor and anti-venturi measurement chamber screw thread connect
It connects, the high pressure port and low-pressure port of differential pressure flowmeter sensor are measured with static pressure device and anti-venturi respectively by pressure guiding pipe
Chamber screwed connection, moisture content radio-frequency antenna component by upper prepared cap, sleeve and lower prepared cap be engaging in anti-venturi measure it is intracavitary；Contain
Water rate radio-frequency antenna component is by level-one cone, cable, second level cone, aerial plug, hollow protection cylinder, insulation sleeve, fiaring cone, sealing
Circle, outlet thread bush and insulation outlet set composition, wherein level-one cone bores screwed connection with second level, and cable contacts company with aerial plug
It connects, hollow protection cylinder and the screwed connection of outlet thread bush, fiaring cone and second level bore screwed connection, and cable connects with moisture sensor
Touching connection.
Shunt seven mutually circumscribed equal diameter homogenizer tubules of impact homogenizer interior design；Static pressure device outlet end bottom
Portion devises the weir of raising that inclination angle climbs to outlet end, and shape is the sphenoid in rectangle front and curved rear；Moisture content is penetrated
Hollow protection cylinder material in frequency antenna module is aluminium alloy, and insulation sleeve material is tetrafluoro, and fiaring cone and insulation outlet cover material
For polyformaldehyde.
Compared with the prior art the present invention, has the following advantages that：
1）, structure it is simple：The present invention integrates differential pressure flowmeter and moisture content radio-frequency antenna, realizes gas liquid mixture
The synchronous measurement of product flow and moisture content, greatly shortens the length of device, in-site installation is easy to use.
2）, measurement accuracy it is high：The present invention makes gas phase and liquid phase be sufficiently mixed homogeneous by three stage arrangements, contains to improve
The measurement accuracy of water rate can meet the situ metrology of middle low yield tolerance gas well of the moisture content lower than 25%.
3）, environmental suitability it is strong：The wide temperature range that device and circuit element of the present invention are adapted to, can-
It is used under 40 DEG C ~ 125 DEG C of operating condition.
Detailed description of the invention：Fig. 1 is structural schematic diagram of the invention；Fig. 2 is the side view for shunting impact homogenizer 2；Fig. 3 is to contain
The structural schematic diagram of water rate radio-frequency antenna component 16；Fig. 4 is the side view of level-one cone 18.
In figure：1- flange, 2- shunt impact homogenizer, 3- nut, 4- bolt, 5- static pressure transducer, 6- temperature sensor,
The anti-venturi of 7- static pressure device, 8- moisture sensor, 9- pressure guiding pipe, 10- differential pressure flowmeter sensor, 11- measures chamber, 12-
Homogenizer tubule, 13- raise weir, 14- upper prepared cap, 15- sleeve, 16- moisture content radio-frequency antenna component, 17- lower prepared cap, 18- level-one
Cone, 19- cable, 20- second level cone, 21- aerial plug, the hollow protection cylinder of 22-, 23- insulation sleeve, 24- fiaring cone, 25- sealing ring,
26- outlet thread bush, 27- insulation outlet set.
Specific embodiment：The present invention will be further explained below with reference to the attached drawings.The present invention includes flange 1, shunts punching
Hit homogenizer 2, nut 3, bolt 4, static pressure transducer 5, temperature sensor 6, static pressure device 7, moisture sensor 8, pressure guiding pipe 9,
Differential pressure flowmeter sensor 10, raises weir 13, upper prepared cap 14, sleeve 15, contains the measurement of anti-venturi chamber 11, homogenizer tubule 12
Water rate radio-frequency antenna component 16 and lower prepared cap 17, wherein flange 1 impacts homogenizer 2, static pressure device 7 and anti-venturi with shunting respectively
It measures chamber 11 to be welded to connect, shunts impact homogenizer 2 and be fixedly connected by flange 1 by nut 3 and bolt 4 with static pressure device 7, static pressure
Sensor 5 and temperature sensor 6 and 7 screwed connection of static pressure device, raise weir 13 and static pressure device 7 is welded to connect, static pressure device 7 and anti-literary mound
In measurement chamber 11 be fixedly connected with bolt 4 by nut 3 by flange 1, moisture sensor 8 and anti-venturi measure 11 screw thread of chamber
Connection, the high pressure port and low-pressure port of differential pressure flowmeter sensor 10 by pressure guiding pipe 9 respectively with static pressure device 7 and anti-text mound
In measure 11 screwed connection of chamber；Moisture content radio-frequency antenna component 16 is engaging in anti-text by upper prepared cap 14 and sleeve 15 and lower prepared cap
It is measured in chamber 8 in mound, moisture content radio-frequency antenna component 16 bores 18, cable 19 by level-one, second level bores 20, aerial plug 21, hollow
Cylinder 22, insulation sleeve 23, fiaring cone 24,27 composition of sealing ring 25, outlet thread bush 26 and insulation outlet set are protected, wherein level-one is bored
18 bore 20 screwed connections with second level, and cable 19 and aerial plug 21 connect, hollow protection cylinder 22 and outlet thread bush 26
Button connection, fiaring cone 24 and second level bore 20 screwed connections.
Shunt seven mutually circumscribed equal diameter homogenizer tubules 12 of impact 2 interior design of homogenizer；Static pressure device 7 exports
What end bottom devised that inclination angle climbs to outlet end raises weir 13, and shape front is the sphenoid that the rectangle back side is arc；Contain
The material of hollow protection cylinder 22 is aluminium alloy in water rate radio-frequency antenna component 16, and the material of insulation sleeve 23 is tetrafluoro, fiaring cone 24
Material with insulation outlet set 27 is polyformaldehyde.
The course of work of the invention is：The device is mounted on well head by bypass line to enter the station at pipeline, with the pipe that enters the station
Line is in parallel, and cutting is entered the station line inlet when metering, and air water two-phase mixtures medium enters shunting impact homogenizer from arrival end first
2, the homogeneous tubule 12 shunted in impact homogenizer 2 reduces the center flow velocity of direction of flow fluid, forces gas-liquid two-phase mixing
Homogeneous；Gas-liquid two-phase fluid after mixing homogeneous enters static pressure device 7, and the unexpected increase of latus rectum makes gas slow down swollen in static pressure device 7
Swollen, gas-liquid two-phase fluid further mixes, and static pressure transducer 5 and temperature sensor 6 measure pressure and temperature under operating condition, raises weir 13
The liquid of precipitation is raised again by the energy of air-flow, measurement field is added；When fluid flows through anti-venturi measurement chamber 11, one
Grade cone 18 is by incoming flow and raises 13 oblique upper artificail commutation of weir as axial stream, and incoming flow is compressed to flow velocity most by the second level cone 20 at rear
Fastly, the minimum annular space of pressure, and fluid is forced to carry out mixing homogeneous here, moisture content radio-frequency antenna 16 is inhaled by shortwave
While receipts method measures moisture content, gas flow under 10 working condition of metering of differential pressure flow sensor, last fiaring cone 24 will stream
Speed reduces, pressure recovery to stationary value；Operating condition is measured by static pressure transducer 5, temperature sensor 6 and differential pressure flow sensor 10
Under pressure, temperature and gas flow, pass through the equation of gas state realize operating condition and mark condition under flow convert.Metering terminates
Afterwards, fluid passes through pipeline in parallel and enters the station pipeline.
Claims (4)
1. integrated differential-pressure-type gas-liquid two-phase flow well head monitoring device, it is characterised in that：It includes flange（1）, shunt impact
Homogenizer（2）, nut（3）, bolt（4）, static pressure transducer（5）, temperature sensor（6）, static pressure device（7）, moisture sensor
（8）, pressure guiding pipe（9）, differential pressure flowmeter sensor（10）, anti-venturi measure chamber（11）, homogenizer tubule（12）, raise weir
（13）, upper prepared cap（14）, sleeve（15）, moisture content radio-frequency antenna component（16）And lower prepared cap（17）, wherein flange（1）Respectively with
Shunt impact homogenizer（2）, static pressure device（7）Chamber is measured with anti-venturi（11）It is welded to connect, shunts impact homogenizer（2）With it is quiet
Depressor（7）Pass through flange（1）By nut（3）And bolt（4）It is fixedly connected, static pressure transducer（5）And temperature sensor（6）With it is quiet
Depressor（7）Weir is raised in screwed connection（13）With static pressure device（7）It is welded to connect, static pressure device（7）Chamber is measured with anti-venturi（11）Pass through
Flange（1）By nut（3）And bolt（4）It is fixedly connected, moisture sensor（8）Chamber is measured with anti-venturi（11）Screw thread connects
It connects, differential pressure flowmeter sensor（10）High pressure port and low-pressure port pass through pressure guiding pipe（9）Respectively with static pressure device（7）With it is anti-
Venturi measures chamber（11）Screwed connection, moisture content radio-frequency antenna component（16）Pass through upper prepared cap（14）, sleeve（15）, lower prepared cap
（17）It is engaging in anti-venturi measurement chamber（11）It is interior；Moisture content radio-frequency antenna component（16）It is bored by level-one（18）, cable（19）, two
Grade cone（20）, aerial plug（21）, hollow protection cylinder（22）, insulation sleeve（23）, fiaring cone（24）, sealing ring（25）, outlet spiral shell
Line set（26）With insulation outlet set（27）Composition, wherein level-one is bored（18）It is bored with second level（20）Screwed connection, cable（19）With day
Line plug（21）It connects, hollow protection cylinder（22）With outlet thread bush（26）Screwed connection, fiaring cone（23）It is bored with second level
（20）Screwed connection, cable（19）With moisture sensor（8）It connects.
2. integrated differential-pressure-type gas-liquid two-phase flow well head monitoring device according to claim 1, it is characterised in that：It shunts
Impact homogenizer（2）The mutually circumscribed equal diameter homogenizer tubules of interior design seven（12）.
3. integrated differential-pressure-type gas-liquid two-phase flow well head monitoring device according to claim 1, it is characterised in that：Static pressure
Device（7）What outlet end bottom devised that inclination angle climbs to outlet end raises weir（13）, shape is rectangle front and curved rear
Sphenoid.
4. integrated differential-pressure-type gas-liquid two-phase flow well head monitoring device according to claim 1, it is characterised in that：It is aqueous
Rate radio-frequency antenna component（16）In hollow protection cylinder（22）Material is aluminium alloy, insulation sleeve（23）Material is tetrafluoro, fiaring cone
（24）With insulation outlet set（27）Material is polyformaldehyde.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810347759.5A CN108894769A (en) | 2018-04-18 | 2018-04-18 | Integrated differential-pressure-type gas-liquid two-phase flow well head monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810347759.5A CN108894769A (en) | 2018-04-18 | 2018-04-18 | Integrated differential-pressure-type gas-liquid two-phase flow well head monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108894769A true CN108894769A (en) | 2018-11-27 |
Family
ID=64342227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810347759.5A Pending CN108894769A (en) | 2018-04-18 | 2018-04-18 | Integrated differential-pressure-type gas-liquid two-phase flow well head monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108894769A (en) |
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Application publication date: 20181127 |