CN104089665A - Single-pipe three-phase flowmeter - Google Patents

Single-pipe three-phase flowmeter Download PDF

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Publication number
CN104089665A
CN104089665A CN201410324019.1A CN201410324019A CN104089665A CN 104089665 A CN104089665 A CN 104089665A CN 201410324019 A CN201410324019 A CN 201410324019A CN 104089665 A CN104089665 A CN 104089665A
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CN
China
Prior art keywords
liquid
pipeline
cyclone separator
column type
flowmeter
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Pending
Application number
CN201410324019.1A
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Chinese (zh)
Inventor
卢玖庆
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XINJIANG ZHONGYUAN TIANNENG OIL & GAS TECHNOLOGY CO., LTD.
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卢玖庆
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Publication date
Application filed by 卢玖庆 filed Critical 卢玖庆
Priority to CN201410324019.1A priority Critical patent/CN104089665A/en
Publication of CN104089665A publication Critical patent/CN104089665A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a single-pipe three-phase flowmeter, and belongs to the technical field of measurement of flow. The problems that metering accuracy is low, and the application range is narrow are solved. An inlet of a pipeline of the flowmeter is an inverted-U-shaped pipeline, a gas and liquid mixer is arranged on a horizontal pipe section on the top, a sampling and flow division pipe is arranged on a perpendicular pipe section behind the gas and liquid mixer, a gas and liquid flowmeter is arranged on the horizontal pipe section of the pipeline, an anti-explosion electric control valve is arranged on the sampling and flow division pipe, a liquid level meter is arranged on the top of a tubular column type cyclone separator, double-flange differential pressure transmitters are arranged on the upper portion and the lower portion of the tubular column type cyclone separator, a liquid flowmeter and an anti-explosion electric control valve are arranged on a liquid phase outlet pipeline at the bottom of the tubular column type cyclone separator, and a check valve and a gas flowmeter are arranged on a gas phase outlet pipeline on the upper portion of the tubular column type cyclone separator. The single-pipe three-phase flowmeter is small in size, light in weight, free of influences of flow regime, wide in application range and high in cost performance and measuring accuracy, and real-time measuring results are displayed through a computer.

Description

Single tube three-phase flow meter
One, technical field the invention belongs to the field of measuring technique of flow, particularly relates to a kind of three-phase flow measuring device.
Two, the three-phase flow measuring method that background technology is used at present both at home and abroad, mostly all flow and void fraction measuring technique have been carried out to effective combination, adopt combination method to carry out multiple parameters detection, rather than carry out three-phase flow detection by simple a kind of technology.Traditional three-phase flow measuring system, adopt the separated method of part to measure, three-phase flow is separated into two kinds of fluids that account for main body with liquid and gas, then metering respectively, in measurement flow pattern can being limited in to the less scope of relative variation with measurement parameter like this, thus measurement range and the accuracy of measurement of assurance or raising three-phase flow measuring system.Measuring three-phase flow is mainly the mass rate that will measure oil gas water.Therefore, measure the mass rate of each phase and all will use round-about way, indirectly measuring method need to be measured the instantaneous velocity of each phase and each by the phase fraction in cross section, and then tries to achieve single-phase mass rate and the total flow of potpourri by calculating.Because subsurface environment is extremely severe, the measurement range of three-phase flow meter is subject to a lot of restrictions, as be subject to the impact in various degree such as void fraction, oil content, water percentage, viscosity, salinity, the volume of this type of flowmeter is all comparatively huge, and the error of most of flowmeters is nearly all in 10% left and right, and not for real-time measurement.
Three, summary of the invention the object of this invention is to provide a kind of single tube three-phase flow meter, solved measuring accuracy not high, the problem that accommodation is little, it comprises pipeline, air and liquid mixer, gas-liquid flowmeter, anti-explosion electric variable valve, stop valve, gas meter, liquid flowmeter, double flanges differential pressure transmitter, pipe column type cyclone separator, liquid-level interface meter and flow control computing machine, be that pipeline import is inverted U-shaped pipeline, on upper water flat tube section, be provided with air and liquid mixer, after air and liquid mixer, on vertical pipeline section, be provided with sampling isocon, described sampling isocon is 1~10, be preferably 2~4, and radial symmetry setting on vertical pipeline section, at the horizontal pipeline section of pipeline, be provided with gas-liquid flowmeter, the horizontal pipeline section of pipeline is connected with the vertical pipeline section of pipeline by 90 ° of elbows, at the vertical pipeline section of bottom line, by 90 ° of elbows, be connected with the horizontal pipeline section of pipeline outlet, on sampling isocon, be provided with anti-explosion electric variable valve, sampling isocon is tangential access tube pillar cyclone separator downwards, at pipe column type cyclone separator top, be provided with liquid-level interface meter, in pipe column type cyclone separator upper and lower, be provided with double flanges differential pressure transmitter, at pipe column type cyclone separator bottom liquid phases discharge pipe, be provided with liquid flowmeter and anti-explosion electric variable valve, at pipe column type cyclone separator upper gaseous phase discharge pipe, be provided with stop valve and gas meter, gaseous phase outlet pipeline is connected with liquid-phase outlet pipeline by 90 ° of elbows, liquid-phase outlet pipeline is connected with the horizontal pipeline section of pipeline outlet, gas-liquid flowmeter, anti-explosion electric variable valve, gas meter, liquid flowmeter, double flanges differential pressure transmitter, liquid-level interface meter is connected with flow control computing machine by data line, in pipe column type cyclone separator bottom, be upwards provided with successively temperature sensor and electric heater, described electric heater is heat tape or electrical heating wire or electrically heated rod or electric heating blanket, after pipe column type cyclone separator bottom liquid phases discharge pipe anti-explosion electric variable valve, be provided with anti-explosion electric pump, volume of the present invention is little, lightweight, not affected by fluidised form, the scope of application is wide, cost performance is high, measuring accuracy is high, and by the real-time measurement result of Computer display.
Four, description of drawings 1 is single tube three-phase flow meter front view;
Fig. 2 is single tube three-phase flow meter side view;
Fig. 3 is single tube three-phase flow meter vertical view.
Five, embodiment is described further single tube three-phase flow meter of the present invention below in conjunction with Fig. 1 to Fig. 3, it comprises pipeline 1, air and liquid mixer 2, gas-liquid flowmeter 5, anti-explosion electric variable valve 6, stop valve 14, gas meter 15, liquid flowmeter 12, double flanges differential pressure transmitter 10, pipe column type cyclone separator 7, liquid-level interface meter 11 and flow control computing machine 16, be that pipeline 1 import is inverted U-shaped pipeline, on upper water flat tube section, be provided with air and liquid mixer 2, after air and liquid mixer, on vertical pipeline section 3, be provided with sampling isocon 4, described sampling isocon 4 is 1~10, be preferably 2~4, and radial symmetry setting on vertical pipeline section 3, at the horizontal pipeline section of pipeline 1, be provided with gas-liquid flowmeter 5, the horizontal pipeline section of pipeline 1 is connected with the vertical pipeline section of pipeline 1 by 90 ° of elbows, at the vertical pipeline section of bottom line 1, by 90 ° of elbows, be connected with the horizontal pipeline section of pipeline 1 outlet, on sampling isocon 4, be provided with anti-explosion electric variable valve 6, sampling isocon 4 is tangential access tube pillar cyclone separator 7 downwards, at pipe column type cyclone separator 7 tops, be provided with liquid-level interface meter 11, in pipe column type cyclone separator 7 upper and lowers, be provided with double flanges differential pressure transmitter 10, at pipe column type cyclone separator 7 bottom liquid phases discharge pipes, be provided with liquid flowmeter 12 and anti-explosion electric variable valve 6, at pipe column type cyclone separator 7 upper gaseous phase discharge pipes, be provided with stop valve 14 and gas meter 15, gaseous phase outlet pipeline is connected with liquid-phase outlet pipeline by 90 ° of elbows, liquid-phase outlet pipeline is connected with the horizontal pipeline section of pipeline 1 outlet, gas-liquid flowmeter 5, anti-explosion electric variable valve 6, gas meter 15, liquid flowmeter 12, double flanges differential pressure transmitter 10, liquid-level interface meter 11 is connected with flow control computing machine 16 by data line, in pipe column type cyclone separator 7 bottoms, be upwards provided with successively temperature sensor 9 and electric heater 8, described electric heater 8 is heat tape or electrical heating wire or electrically heated rod or electric heating blanket, after pipe column type cyclone separator 7 bottom liquid phases discharge pipe anti-explosion electric variable valve 6, be provided with anti-explosion electric pump 13.

Claims (6)

1. single tube three-phase flow meter, comprise pipeline, air and liquid mixer, gas-liquid flowmeter, anti-explosion electric variable valve, stop valve, gas meter, liquid flowmeter, double flanges differential pressure transmitter, pipe column type cyclone separator, liquid-level interface meter and flow control computing machine, it is characterized in that pipeline import is inverted U-shaped pipeline, on upper water flat tube section, be provided with air and liquid mixer, after air and liquid mixer, on vertical pipeline section, be provided with sampling isocon, at the horizontal pipeline section of pipeline, be provided with gas-liquid flowmeter, the horizontal pipeline section of pipeline is connected with the vertical pipeline section of pipeline by 90 ° of elbows, at the vertical pipeline section of bottom line, by 90 ° of elbows, be connected with the horizontal pipeline section of pipeline outlet, on sampling isocon, be provided with anti-explosion electric variable valve, sampling isocon is tangential access tube pillar cyclone separator downwards, at pipe column type cyclone separator top, be provided with liquid-level interface meter, in pipe column type cyclone separator upper and lower, be provided with double flanges differential pressure transmitter, at pipe column type cyclone separator bottom liquid phases discharge pipe, be provided with liquid flowmeter and anti-explosion electric variable valve, at pipe column type cyclone separator upper gaseous phase discharge pipe, be provided with stop valve and gas meter, gaseous phase outlet pipeline is connected with liquid-phase outlet pipeline by 90 ° of elbows, liquid-phase outlet pipeline is connected with the horizontal pipeline section of pipeline outlet, gas-liquid flowmeter, anti-explosion electric variable valve, gas meter, liquid flowmeter, double flanges differential pressure transmitter, liquid-level interface meter is connected with flow control computing machine by data line.
2. single tube three-phase flow meter as claimed in claim 1, it is characterized in that being upwards provided with successively temperature sensor and electric heater in pipe column type cyclone separator bottom, after pipe column type cyclone separator bottom liquid phases discharge pipe anti-explosion electric variable valve, be provided with anti-explosion electric pump.
3. single tube three-phase flow meter as claimed in claim 2, is characterized in that described electric heater is heat tape or electrical heating wire or electrically heated rod or electric heating blanket.
4. single tube three-phase flow meter as claimed in claim 1, is characterized in that described sampling isocon is 1~10.
5. single tube three-phase flow meter as claimed in claim 4, is characterized in that described sampling isocon is 2~4.
6. the single tube three-phase flow meter as described in claim 4 or 5, is characterized in that the radial symmetry setting on vertical pipeline section of described sampling isocon.
CN201410324019.1A 2014-06-26 2014-06-26 Single-pipe three-phase flowmeter Pending CN104089665A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410324019.1A CN104089665A (en) 2014-06-26 2014-06-26 Single-pipe three-phase flowmeter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410324019.1A CN104089665A (en) 2014-06-26 2014-06-26 Single-pipe three-phase flowmeter

Publications (1)

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CN104089665A true CN104089665A (en) 2014-10-08

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105865557A (en) * 2015-11-16 2016-08-17 新疆中元天能油气科技股份有限公司 A super-high-viscosity gas-liquid two phase separation metering device
CN107882547A (en) * 2016-09-29 2018-04-06 中国石油化工股份有限公司 Duct type high-water-cut oil-producing well produces liquid three-phase metering mechanism and method
CN108871464A (en) * 2018-07-02 2018-11-23 新疆中元天能油气科技股份有限公司 Small-sized shunt multi-phase flowmeter and its adjusting process
CN113713439A (en) * 2021-09-10 2021-11-30 中国石油大学(北京) Tubular column type gas-liquid separator

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1793787A (en) * 2005-12-31 2006-06-28 西安开尔能源工程有限责任公司 Crude oil-natural gas-water three-phase flow meter
CN101144732A (en) * 2007-10-26 2008-03-19 卢玖庆 Three-phase flow automatic measuring method and device for oil, gas and water
EP1982169A2 (en) * 2006-01-11 2008-10-22 Expro Meters, Inc. An apparatus and method for measuring a parameter of a multiphase flow
CN101408444A (en) * 2007-10-09 2009-04-15 上海一诺仪表有限公司 Three-phase flow metering device of oil well
CN201306167Y (en) * 2008-12-03 2009-09-09 湖北江汉石油仪器仪表有限公司 Multiphase flow metering system
CN201892552U (en) * 2010-08-09 2011-07-06 福州昌晖自动化系统有限公司 Oil, gas and water multiphase flowmeter
CN102322908A (en) * 2011-08-11 2012-01-18 南通市飞宇石油科技开发有限公司 Differential pressure type oil-gas-water three-phase metering device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1793787A (en) * 2005-12-31 2006-06-28 西安开尔能源工程有限责任公司 Crude oil-natural gas-water three-phase flow meter
EP1982169A2 (en) * 2006-01-11 2008-10-22 Expro Meters, Inc. An apparatus and method for measuring a parameter of a multiphase flow
CN101408444A (en) * 2007-10-09 2009-04-15 上海一诺仪表有限公司 Three-phase flow metering device of oil well
CN101144732A (en) * 2007-10-26 2008-03-19 卢玖庆 Three-phase flow automatic measuring method and device for oil, gas and water
CN201306167Y (en) * 2008-12-03 2009-09-09 湖北江汉石油仪器仪表有限公司 Multiphase flow metering system
CN201892552U (en) * 2010-08-09 2011-07-06 福州昌晖自动化系统有限公司 Oil, gas and water multiphase flowmeter
CN102322908A (en) * 2011-08-11 2012-01-18 南通市飞宇石油科技开发有限公司 Differential pressure type oil-gas-water three-phase metering device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105865557A (en) * 2015-11-16 2016-08-17 新疆中元天能油气科技股份有限公司 A super-high-viscosity gas-liquid two phase separation metering device
CN107882547A (en) * 2016-09-29 2018-04-06 中国石油化工股份有限公司 Duct type high-water-cut oil-producing well produces liquid three-phase metering mechanism and method
CN107882547B (en) * 2016-09-29 2023-08-04 中国石油化工股份有限公司 Pipeline type high-water-content oil well liquid production three-phase metering device and method
CN108871464A (en) * 2018-07-02 2018-11-23 新疆中元天能油气科技股份有限公司 Small-sized shunt multi-phase flowmeter and its adjusting process
CN108871464B (en) * 2018-07-02 2019-11-19 新疆中元天能油气科技股份有限公司 Small-sized shunt multi-phase flowmeter and its adjusting process
CN113713439A (en) * 2021-09-10 2021-11-30 中国石油大学(北京) Tubular column type gas-liquid separator
CN113713439B (en) * 2021-09-10 2022-11-08 中国石油大学(北京) Tubular column type gas-liquid separator

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Effective date of registration: 20151105

Address after: 830026 Xinjiang Zhongyuan oil and gas Polytron Technologies Inc, No. 22, Shenyang street, Bei Bei District, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region, China

Applicant after: XINJIANG ZHONGYUAN TIANNENG OIL & GAS TECHNOLOGY CO., LTD.

Address before: 830026 Urumqi the Xinjiang Uygur Autonomous Region Chang Hui Automation Instrument Co., Ltd. 22 Shenyang street, Bei Bei District, Urumqi economic and Technological Development Zone

Applicant before: Lu Jiuqing

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Application publication date: 20141008

WD01 Invention patent application deemed withdrawn after publication