CN104374441B - A kind of gas-liquid separated multi-phase flowmeter - Google Patents
A kind of gas-liquid separated multi-phase flowmeter Download PDFInfo
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- CN104374441B CN104374441B CN201410709306.4A CN201410709306A CN104374441B CN 104374441 B CN104374441 B CN 104374441B CN 201410709306 A CN201410709306 A CN 201410709306A CN 104374441 B CN104374441 B CN 104374441B
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Abstract
The invention belongs to measuring equipment technical field, is related to a kind of gas-liquid separated multi-phase flowmeter；It uses Tube formation to be integrally formed structure, upper end passes through flange, primary heater, first valve is connected with gasmetry pipeline, lower end passes through the first temperature sensor, secondary heater is connected with water-oil phase measurement pipeline, top side wall is provided with gaseous phase outlet, sidewall bottom is provided with liquid-phase outlet, inner eddy flow plate tower support is fixed on inwall bottom, rotating stream tray scrubber is placed in rotating stream tray scrubber cradle top, during use, oil gas water mixed liquid is handled by gas-liquid two-phase separator, oil-water mixture of the gas of discharge with heating by heater and being measured by temperature sensor and fluid flowmeter after the measurement of pressure transmitter and gas flow meter is mixed into downstream line and flowed out；Its agent structure is simple, and design principle is reliable, and use is easy to operate, and the accuracy of measuring is high, and measuring environment is friendly, and automaticity is high.
Description
Technical field：
The invention belongs to measuring equipment technical field, is related to a kind of divergence type measuring equipment of oil gas water multiphase amount.
Background technology：
Oil gas water multiphase gauge is that the crude oil of oilfield exploitation carries out oil-gas-water three phase flow quantity meter when being conveyed into pipeline
The instrument of amount, the on-line metering of oil-water-gas multiphase flow body have especially in oilfield exploitation, especially offshore oilfield and onshore oil field
Big economic value.Traditional metering method is that the crude oil of oil mining is sent into three phase separator, by separator by crude oil
It is divided into oil-water-gas three-phase, then by being measured respectively to three kinds of fluids installed in the flowmeter that separator respectively mutually exports；But this
A little traditional structure of gas liquid separator are complicated, and size is larger, and cost is higher, both increase great difficulty to design and manufacture, drop
The low practicality of multi-phase flowmeter；Space, fund can be saved using oil-water-gas multiphase flow amount merging metering method and can be connected
Each oily well yield of continuous real time measure, and simple flow.At present, reservoir performance analysis research in production metering of oil wells room is oil field life
One of indispensable program during production management, the research work of existing oil gas water multiphase gauge starts from a left side in 1980
The right side, in recent years, multi-phase flowmeter are increasingly paid close attention in terms of production metering of oil wells by each major oil companies, in the prior art
Effective phase content measurement of multi-phase flowmeter relies primarily on radiation line technology, and based on the e measurement technology of gamma ray because not flowed
Body phase-state change influences, measuring part the advantages that not contacted with fluid and be widely used, but the technology is in the oil of high gassiness
Measuring precision of water content in water is poor under conditions of aqueous vapor three-phase fluid, causes crude oil measurement precision improper, it is impossible to fully meet reality
Demand, and the use supervision to radioactive ray is greatly improved in recent years, the use of radioactive ray is not encouraged, causes radiation measurement
Technology fails to continue to develop and promote on oil field.
The content of the invention：
The shortcomings that it is an object of the invention to overcome prior art, design offer one kind is provided and is applied to field of petroleum exploitation
The equipment and instrument of metering flow.
Multi-phase flowmeter agent structure of the present invention includes：First valve, primary heater, flange, oil gas water three
Lid, three phases separator, rotating stream tray scrubber, rotating stream tray scrubber support, the second valve, pressure transmitter, gas on phase separator
Flowmeter, the 3rd valve, the first temperature sensor, secondary heater, second temperature sensor, three-temperature sensor, liquid
Flowmeter, electronic display meter, crude oil liquid level gauge, gaseous phase outlet, liquid-phase outlet and the 4th valve, pipeline is used between each part
The gas-liquid separated multi-phase flowmeter of structure is integrally formed after assembling connection；The oil gas water three phase separation of spiral-flow plate-type tubular structure
Device upper end is connected by flange, primary heater, the first valve with gasmetry pipeline, the lower end of three phases separator
Pipeline is measured by the 3rd valve, the first temperature sensor, secondary heater with water-oil phase to be connected；Three phases separator
Top side wall be provided with gaseous phase outlet, the sidewall bottom of three phases separator is provided with liquid-phase outlet；Oil gas water three phase
Separator side installation crude oil liquid level gauge is used for the real-time level for showing oil-water mixture；Eddy flow in three phases separator
Plate tower support is fixed on inwall bottom, and rotating stream tray scrubber is placed in rotating stream tray scrubber cradle top, and rotating stream tray scrubber separates liquid and gas,
Rotating stream tray scrubber support will not concomitant rotation while it rotates；Oil gas water mixed liquid separates by the oil gas water three phase of spiral-flow plate-type
After device processing, the gas of discharge is mixed into downstream with oil-water mixture again after the measurement of pressure transmitter and gas flow meter
Pipeline flows out；The oil-water mixture isolated by the three phases separator of spiral-flow plate-type makes oil by gravity fractionation
Water stratification, the 3rd valve is opened, the water of lower floor is first flowed out and closes the 3rd valve afterwards, the water of outflow passes sequentially through the first temperature biography
Flowed out after being heated after sensor measurement into secondary heater, then pass through second temperature sensor and three-temperature sensor
Measured respectively, then enter downstream line after fluid flowmeter is measured, after recording measurement result, open the 3rd valve
Door, make the oil stream on upper strata go out to pass sequentially through heated into secondary heater after the first temperature sensor measurement after flow out, so
Measured respectively by second temperature sensor and three-temperature sensor afterwards, then by fluid flowmeter measure laggard
Enter downstream line, record measurement result again.The oil of inflow downstream line is with water with being flowed out after the gas mixing of discharge.
The three phases separator of the spiral-flow plate-type of the present invention is first separated water-oil phase with gas phase, wherein profit
Two-phase flows into water-oil phase by the sidewall bottom outlet of three phases separator and measures pipeline successively, and gas phase passes through oil gas water
The top exit of three phase separator flows into gas phase measurement pipeline；Flange connects and separation primary heater separates with oil gas water three phase
Device, it is easy to remove lid on three phases separator and is cleared up so as to take out rotating stream tray scrubber；Gas phase measurement pipeline includes：Successively
Valve, pressure transmitter and gas flow meter, one end of gas phase measurement pipeline and the spiral-flow plate-type oil being connected on gas phase pipeline
Gas-water separator is connected, and the other end is connected with downstream line；Primary heater, secondary heater use water jacket stove heat side
Formula, oil-water-gas three-phase mixed liquor carry out fluid heating by the snakelike heating coil in heater, prevent ambient temperature is too low from making
It is sticky to obtain oil gas water mixed liquid, is easy to gas-liquid separation；Pressure transmitter detection gas pressure is simultaneously used for gas under scale merit state
The volume flow of body；Gas flowmeter detects the volumetric flow of gas for flowing through pipeline；Primary heater and secondary heater difference
Heated to two sections of pipeline fluids, prevent ambient temperature too low so that oil gas water mixed liquid is sticky；In fluid flowmeter signal piping
Liquid volume flow；Electronic display meter shows the total flow and phase content of water-oil phase mixed liquor, utilizes upstream and downstream two
The relevance meter liquid total flow of temperature rise, reusable heat diffusion method measure oil-water ratio, respectively obtain the separate phase flow rate of water-oil phase；
Crude oil liquid level gauge shows the real-time level of water-oil phase mixed liquor；Water-oil phase measurement pipeline includes：Be sequentially connected in series the 3rd valve,
First temperature sensor, secondary heater, second temperature sensor, three-temperature sensor, fluid flowmeter and electronical display
Instrument, water-oil phase measurement pipeline one end are connected with the three phases separator side wall of spiral-flow plate-type, the other end and downstream tube
Road is connected.
Compared with prior art, its agent structure is simple, and design principle is reliable, and use is easy to operate by the present invention, and metering is accurate
Exactness is high, and measuring environment is friendly, and automaticity is high.
Brief description of the drawings：
Fig. 1 is multi-phase flowmeter agent structure principle schematic of the present invention.
Embodiment：
It is described further by way of example and in conjunction with the accompanying drawings.
Embodiment：
The multi-phase flowmeter agent structure that the present embodiment is related to includes：First valve 1, primary heater 2, flange 3, oil gas
Lid 4, three phases separator 5, rotating stream tray scrubber 6, rotating stream tray scrubber support 7, the second valve 8, pressure become on water three-phase separator
Send device 9, gas flowmeter 10, the 3rd valve 11, the first temperature sensor 12, secondary heater 13, second temperature sensor 14,
Three-temperature sensor 15, fluid flowmeter 16, electronic display meter 17, crude oil liquid level gauge 18, gaseous phase outlet 19, liquid-phase outlet
20 and the 4th valve 21, using the gas-liquid separated multiphase flow rates that structure is integrally formed after Tube formation connection between each part
Meter；The upper end of three phases separator 5 of spiral-flow plate-type tubular structure is gentle by flange 3, primary heater 2, the first valve 1
Bulk measurement pipeline is connected, and the lower end of three phases separator 5 passes through the 3rd valve 11, the first temperature sensor 12, second
Heater 13 is connected with water-oil phase measurement pipeline；The top side wall of three phases separator 5 is provided with gaseous phase outlet 19, oil
The sidewall bottom of gas-water separator 5 is provided with liquid-phase outlet 20；Rotating stream tray scrubber support 7 in three phases separator 5
Inwall bottom is fixed on, rotating stream tray scrubber 6 is placed in the top of rotating stream tray scrubber support 7, and rotating stream tray scrubber 6 separates liquid and gas, and it revolves
Rotating stream tray scrubber support 7 will not concomitant rotation while turning；Oil gas water mixed liquid passes through the three phases separator 5 of spiral-flow plate-type
After processing, the gas of discharge is mixed into down with oil-water mixture again after the measurement of the and gas flow meter 10 of pressure transmitter 9
Flow out in play pipe road；The oil-water mixture isolated by the three phases separator 5 of spiral-flow plate-type passes through gravity fractionation
Profit is layered, the 3rd valve 11 is opened, the water of lower floor is first flowed out and close the 3rd valve 11 afterwards, the water of outflow passes sequentially through the
Flowed out after being heated after the measurement of one temperature sensor 12 into secondary heater 13, then pass through the He of second temperature sensor 14
Three-temperature sensor 15 is measured respectively, then enters downstream line after fluid flowmeter 16 is measured, and record is surveyed
After measuring result, the 3rd valve 11 is opened, the oil stream on upper strata is entered second after going out to pass sequentially through the measurement of the first temperature sensor 12
Heater 13 flows out after being heated, and is then surveyed respectively by second temperature sensor 14 and three-temperature sensor 15
Amount, then enter downstream line after fluid flowmeter 16 is measured, measurement result is recorded again, flows into the oil of downstream line
With water with being flowed out after the gas mixing of discharge.
The three phases separator 5 of the spiral-flow plate-type of the present embodiment is first separated water-oil phase with gas phase, wherein
Water-oil phase flows into water-oil phase by the sidewall bottom outlet of three phases separator 5 and measures pipeline successively, and gas phase passes through
The top exit of three phases separator 5 flows into gas phase measurement pipeline；Flange 3 connects and separated primary heater 2 and oil gas
Water three-phase separator 5, it is easy to remove lid 4 on three phases separator and is cleared up so as to take out rotating stream tray scrubber 6；Gas phase measures
Pipeline includes：Valve 8 on gas phase pipeline, the and gas flow meter 10 of pressure transmitter 9 are sequentially connected in series, gas phase measurement pipeline
One end is connected with spiral-flow plate-type three phases separator 5, and the other end is connected with downstream line；Primary heater 2, second heats
Device 13 uses water jacket furnace mode of heating, and oil-water-gas three-phase mixed liquor carries out fluid by the snakelike heating coil in heater and added
Heat, prevent ambient temperature too low so that oil gas water mixed liquid is sticky, be easy to gas-liquid separation；The detection gas pressure of pressure transmitter 9
And for the volume flow of gas under scale merit state；Gas flowmeter 10 detects the volumetric flow of gas for flowing through pipeline；The
One heater 2 and secondary heater 13 heat to two sections of pipeline fluids respectively, prevent ambient temperature too low so that oily mixing wastewater with air
Liquid is sticky；Liquid volume flow in the signal piping of fluid flowmeter 16；Electronic display meter 17 shows water-oil phase mixed liquor
Total flow and phase content, utilize the relevance meter liquid total flow of two temperature rises of upstream and downstream, reusable heat diffusion method measurement oil
Water ratio, respectively obtain the separate phase flow rate of water-oil phase；Crude oil liquid level gauge 18 shows the real-time level of water-oil phase mixed liquor；Profit
Two-phase measurement pipeline includes：The 3rd valve 11, the first temperature sensor 12, secondary heater 13, second temperature is sequentially connected in series to pass
Sensor 14, three-temperature sensor 15, fluid flowmeter 16 and electronic display meter 17, water-oil phase measurement pipeline one end and rotation
The side wall of three phases separator 5 of flowing plate formula is connected, and the other end is connected with downstream line.
The present embodiment is based on law of connected vessels, and when pressure reaches balance, the liquid level of three phases separator 5 should be kept
Stable height；The first valve 1 is opened, closes the 4th valve 21, oil gas water mixed liquid enters after the heating of primary heater 2
Three phases separator 5 is separated, and the oil-water mixture that three phases separator 5 is isolated passes through oil gas water three phase point
Liquid-phase outlet 20 from the side wall of device 5 sequentially enters water-oil phase measurement pipeline；In measurement process, whole oil-water-gas multiphase flow body
Moment is in dynamic flow process, and pressure transmitter 9 measures and shows the pressure value of gas, and gas flowmeter 10 measures simultaneously
The volumetric flow of gas of measurement pipeline is flowed through in display, and fluid flowmeter 16 measures and shown the liquid volume flow for flowing through pipeline,
Electronic display meter 17 measures and shows the total flow and phase content of water-oil phase mixed liquor, and crude oil liquid level gauge 18 shows profit two
Mix the real-time level of liquid.
Claims (1)
1. a kind of gas-liquid separated multi-phase flowmeter, it is characterised in that agent structure includes：First valve, primary heater, method
Lid, three phases separator, rotating stream tray scrubber, rotating stream tray scrubber support, the second valve, pressure on blue, three phases separator
Transmitter, gas flowmeter, the 3rd valve, the first temperature sensor, secondary heater, second temperature sensor, the 3rd temperature
Sensor, fluid flowmeter, electronic display meter, crude oil liquid level gauge, gaseous phase outlet, liquid-phase outlet and the 4th valve, each part
Between using being integrally formed the gas-liquid separated multi-phase flowmeter of structure after Tube formation connection；The oil of spiral-flow plate-type tubular structure
Gas-water separator upper end is connected by flange, primary heater, the first valve with gasmetry pipeline, oil gas water three phase
The lower end of separator measures pipeline with water-oil phase by the 3rd valve, the first temperature sensor, secondary heater and is connected；Oil gas
The top side wall of water three-phase separator is provided with gaseous phase outlet, and the sidewall bottom of three phases separator is provided with liquid phase and gone out
Mouthful；Three phases separator side installation crude oil liquid level gauge is used for the real-time level for showing oil-water mixture；Oil gas water three phase
Rotating stream tray scrubber support in separator is fixed on inwall bottom, and rotating stream tray scrubber is placed in rotating stream tray scrubber cradle top, rotating stream tray scrubber
Liquid and gas are separated, rotating stream tray scrubber support will not concomitant rotation while it rotates；Oil gas water mixed liquid passes through spiral-flow plate-type
Three phases separator processing after, the gas of discharge mixes with profit again after the measurement of pressure transmitter and gas flow meter
Close liquid and be mixed into downstream line outflow；The oil-water mixture isolated by the three phases separator of spiral-flow plate-type passes through
Gravity fractionation is layered profit, opens the 3rd valve, the water of lower floor is first flowed out and close the 3rd valve afterwards, the water of outflow according to
It is secondary by being flowed out after being heated after the first temperature sensor measurement into secondary heater, then pass through second temperature sensor
Measured respectively with three-temperature sensor, then enter downstream line after fluid flowmeter is measured, record measurement
As a result after, the 3rd valve is opened, the oil stream on upper strata is entered secondary heater after going out to pass sequentially through the first temperature sensor measurement
Flow out after being heated, then measured respectively by second temperature sensor and three-temperature sensor, then by liquid
Flowmeter enters downstream line after being measured, and records measurement result again, flows into gas of the oil of downstream line with water with discharge
Flowed out after body mixing；
The three phases separator of the spiral-flow plate-type is first separated water-oil phase with gas phase, and wherein water-oil phase passes through
The sidewall bottom outlet of three phases separator flows into water-oil phase measurement pipeline successively, and gas phase is separated by oil gas water three phase
The top exit of device flows into gas phase measurement pipeline；Flange connects and separation primary heater and three phases separator, is easy to
Lid on three phases separator is removed to be cleared up so as to take out rotating stream tray scrubber；Gas phase measurement pipeline includes：It is sequentially connected in series
Valve, pressure transmitter and gas flow meter on gas phase pipeline, one end of gas phase measurement pipeline and spiral-flow plate-type oil gas water three
Phase separator is connected, and the other end is connected with downstream line；Primary heater, secondary heater use water jacket furnace mode of heating, oil
Aqueous vapor three-phase mixed liquor carries out fluid heating by the snakelike heating coil in heater, prevents ambient temperature too low so that oil gas
Water mixed liquid is sticky, is easy to gas-liquid separation；Pressure transmitter detection gas pressure and the body for being used for gas under scale merit state
Product flow；Gas flowmeter detects the volumetric flow of gas for flowing through pipeline；Primary heater and secondary heater give two sections respectively
Pipeline fluid heats, and prevents ambient temperature too low so that oil gas water mixed liquid is sticky；Liquid in fluid flowmeter signal piping
Volume flow；Electronic display meter shows the total flow and phase content of water-oil phase mixed liquor, utilizes two temperature rises of upstream and downstream
Relevance meter liquid total flow, reusable heat diffusion method measure oil-water ratio, respectively obtain the separate phase flow rate of water-oil phase；Crude oil liquid
Position meter shows the real-time level of water-oil phase mixed liquor；Water-oil phase measurement pipeline includes：It is sequentially connected in series the 3rd valve, the first temperature
Spend sensor, secondary heater, second temperature sensor, three-temperature sensor, fluid flowmeter and electronic display meter, oil
Water two-phase measurement pipeline one end is connected with the three phases separator side wall of spiral-flow plate-type, and the other end is connected with downstream line；
When pressure reaches balance, the liquid level of three phases separator should keep stable height；The first valve is opened, is closed
4th valve, oil gas water mixed liquid are separated after primary heater heats into three phases separator, oil gas water
The oil-water mixture that three phase separator is isolated sequentially enters profit two by the liquid-phase outlet of three phases separator side wall
Mutually measurement pipeline；In measurement process, the whole oil-water-gas multiphase flow body moment is in dynamic flow process, pressure transmitter
Measure and show the pressure value of gas, gas flowmeter measures and shown the volumetric flow of gas for flowing through measurement pipeline, liquid flow
Flowmeter measurement simultaneously shows the liquid volume flow for flowing through pipeline, and electronic display meter measures and shows the total of water-oil phase mixed liquor
Flow and phase content, crude oil liquid level gauge show the real-time level of water-oil phase mixed liquor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410709306.4A CN104374441B (en) | 2014-11-27 | 2014-11-27 | A kind of gas-liquid separated multi-phase flowmeter |
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| CN201410709306.4A CN104374441B (en) | 2014-11-27 | 2014-11-27 | A kind of gas-liquid separated multi-phase flowmeter |
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| CN104374441A CN104374441A (en) | 2015-02-25 |
| CN104374441B true CN104374441B (en) | 2018-01-05 |
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| US9664548B2 (en) * | 2015-03-19 | 2017-05-30 | Invensys Systems, Inc. | Testing system for petroleum wells having a fluidic system including a gas leg, a liquid leg, and bypass conduits in communication with multiple multiphase flow metering systems with valves to control fluid flow through the fluidic system |
| CN107882546B (en) * | 2016-09-29 | 2023-07-11 | 中国石油化工股份有限公司 | High-water-content low-gas-production oil well liquid-production three-phase metering device and method |
| US11796362B2 (en) | 2017-03-03 | 2023-10-24 | Schlumberger Technology Corporation | Conductivity probe fluid property measurement systems and related methods |
| CN108571657A (en) * | 2017-03-07 | 2018-09-25 | 中国石油化工股份有限公司 | The low spot pumping equipment of gas collector and delivery pipe |
| CN107905780A (en) * | 2017-12-21 | 2018-04-13 | 辽宁瑞邦石油技术发展有限公司 | A kind of Weighing type oil well meter of gas-liquid multiphase measurement |
| CN109357976A (en) * | 2018-10-25 | 2019-02-19 | 中国海洋石油集团有限公司 | A kind of multiphase flow automatic collection metering system |
| CN109763811A (en) * | 2019-01-31 | 2019-05-17 | 南通市飞宇石油科技开发有限公司 | A kind of type oil-gas-water three-phase metering device |
| CN110044447A (en) * | 2019-05-29 | 2019-07-23 | 中国科学院力学研究所 | A kind of system and method for oil gas water multiphase amount calibration |
| CN110307875A (en) * | 2019-07-26 | 2019-10-08 | 合肥哈工新能源科技有限公司 | Data processing system is used in a kind of gas testing recycling |
| CN114295163B (en) * | 2020-12-31 | 2023-10-13 | 广东管辅能源科技有限公司 | Metering method and device for liquid volume in multiphase flow mixed transportation |
| CN114017007A (en) * | 2021-05-28 | 2022-02-08 | 中海油能源发展股份有限公司 | Visual oil-gas-water separation metering experimental device and experimental method thereof |
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| CN1259671A (en) * | 1999-12-29 | 2000-07-12 | 西安交通大学 | Measuring method of crude petroleum water content and flow and equipment thereof |
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| US5589642A (en) * | 1994-09-13 | 1996-12-31 | Agar Corporation Inc. | High void fraction multi-phase fluid flow meter |
| CN2558966Y (en) * | 2002-08-15 | 2003-07-02 | 王增斋 | Volume metering device for liquid phase medium during petroleum production |
| CN100398998C (en) * | 2005-12-31 | 2008-07-02 | 西安开尔能源工程有限责任公司 | Crude oil-natural gas-water three-phase flow meter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4852395A (en) * | 1988-12-08 | 1989-08-01 | Atlantic Richfield Company | Three phase fluid flow measuring system |
| CN1259671A (en) * | 1999-12-29 | 2000-07-12 | 西安交通大学 | Measuring method of crude petroleum water content and flow and equipment thereof |
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