CN1570572A - Oil-gas-water three phase flow continuously metering system - Google Patents
Oil-gas-water three phase flow continuously metering system Download PDFInfo
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- CN1570572A CN1570572A CN 200410018335 CN200410018335A CN1570572A CN 1570572 A CN1570572 A CN 1570572A CN 200410018335 CN200410018335 CN 200410018335 CN 200410018335 A CN200410018335 A CN 200410018335A CN 1570572 A CN1570572 A CN 1570572A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 239000007788 liquid Substances 0.000 claims abstract description 51
- 239000004576 sand Substances 0.000 claims abstract description 23
- 239000004519 grease Substances 0.000 claims description 35
- 230000001105 regulatory effect Effects 0.000 claims description 18
- 230000000630 rising effect Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 230000004907 flux Effects 0.000 abstract 2
- 238000004080 punching Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 106
- 235000019198 oils Nutrition 0.000 description 82
- 239000007789 gas Substances 0.000 description 53
- 238000000926 separation method Methods 0.000 description 52
- 239000003129 oil well Substances 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 5
- 239000010779 crude oil Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000009931 harmful effect Effects 0.000 description 3
- 238000004422 calculation algorithm Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000019476 oil-water mixture Nutrition 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
This is a continuous measuring system of tri-phase flux that consists of oil, gas and water. The system comprises horizontal tri-phase analyzer, level gauge, electric control valve, hydraulic pump punching sand, gas flow counter, oil duct counter, watercourse counter, pressure sensor and so on. This invention can be used to measure tri-phase flux of oil, gas and water in the oil field. It is characterized by adopting horizontal tri-phase analyzer used in small-sized highly effective oil chamber internally-arranged, and adopts observing and controlling scheme of pressurization and stability of bi-liquid-level, keeping pressure, water-oil interface in the water header and liquid level of oil chamber stable, carrying-off the effect about the fluctuation of incoming gas flow or incoming liquid flow to the separating effect and measuring accuracy, increasing accuracy of flow discharged measuring and accomplishing series automatic gauging of oil, gas and water.
Description
Technical field
The present invention is a kind of oil-gas-water three phase flow quantity continuous metering system.The automatic continuous measuring that is used for oil field oil, gas, aquatic products amount.
Background technology
Along with going deep into of oil-field development, particularly after the oil field entered high water-cut stage, oil well gas production rate and production fluid amount generally fluctuateed bigger, and did not have rule to follow; Also there is the production fluid intermittency in stripper well, and the quiescent interval is different in size, and metering in short-term is difficult to draw real output; Output difference and fluctuation that the oil well output difference is big, fluctuation causes different oil well associated gases greatly are also big; Sand and impurity in the oil well liquid-producing are more, and is bigger to the influence of instrument and metering thereof.At present, the conventional metered dose system of each Oilfield using mainly contains following several both at home and abroad:
1, two-phase separate measurement system.Gas and fluid separation applications, profit does not separate, and measures profit ratio in the mixed liquor with sample examination method, average density method, densitometer and flowmeter usually, obtains each phase flow rate.Because the separation vessel discharge opeing is not thorough, the oil-water mixture of different proportionings mixes mutually, causes moisture instrument measurement representative poor, therefore cause the oil-water mixture density measure inaccurate, increased the error of metering, also make troubles, and densitometer has cost an arm and a leg to examination.
2, three-phase flow metering system.Do not use separation vessel, but directly measure the flow of oil gas water three phase.General by radiation technique, capacitance method or differential pressure method measurement flow.The defective of the prior art is: the first, and utilize radioactive ray decay instrument to measure gas liquid ratio and ow ratio, instrument has radioactivity, and volume is big, and precision is low, costs an arm and a leg.The second, capacitance method only is applicable to that oil is the situation of external phase in the oil gas water mixed liquid, but most oil field, present domestic oil field enters high water-cut stage, and when water was external phase in the mixed liquor, capacitance method was no longer suitable.The 3rd, utilize the differential pressure of differential pressure pick-up measuring channel, can only obtain the gross density of oil gas aqueous mixtures in the sampling pipe, need derivation complex mathematical formula could obtain each phase ratio, when water percentage was higher in the mixed liquor, each phase ratio error of calculation was big, and measuring accuracy is lower.
3, three-phase separator measurement system.Traditional three-phase separator measurement system adopts oil gas water three phase to separate the method for back metering, its volume is generally bigger, the separation vessel gas outlet adopts the self-contained pressure regulator pilot-gas to discharge, and self-contained pressure regulator is mechanically actuated, can not regulate the separation vessel internal pressure by continuously smooth, when coming tolerance or come liquid measure that big fluctuation is arranged, surpass the processing power of system easily, cause the separating effect variation, measuring accuracy seriously descends.This system also fails to realize fully unmanned, can not handle the various faults of appearance automatically, has increased the inconvenience of control and management.
Summary of the invention
The purpose of this invention is to provide a kind of oil-gas-water three phase flow quantity continuous metering system.
It has horizontal three-phase separator, in horizontal three-phase separator, be provided with the grease chamber, grease chamber's outlet and oil circuit flowmeter, the oil circuit variable valve, mixed-phase device) joins, be provided with the water-oil interface instrument at the horizontal three-phase separator top, liquid level gauge, pressure transducer II, escape pipe, escape pipe and gas meter, the gas circuit variable valve, mixed-phase device joins, horizontal three-phase separator top be provided with oil inlet pipe and and admission valve, pressure transducer I, temperature sensor I joins, the horizontal three-phase separator bottom is provided with rising pipe, rising pipe and water route flowmeter, waterway regulating valve, mixed-phase device joins, rising pipe joins through sand surfing water pump and the sand surfing pipe that inserts horizontal three-phase separator side direction middle part, mixed-phase device and pressure transducer III, temperature sensor II, outlet valve joins, outlet valve and bypass valve, admission valve joins, pressure transducer I, temperature sensor I, the water-oil interface instrument, liquid level gauge, pressure transducer II, the sand surfing water pump, gas meter, the gas circuit variable valve, the oil circuit flowmeter, the oil circuit variable valve, the water route flowmeter, waterway regulating valve, pressure transducer III, temperature sensor II and industrial control computer join.
Advantage of the present invention:
1) horizontal three-phase separator of the small-sized efficient of the built-in grease chamber of employing, system bulk is little, oil and gas and water is from back phase-splitting metering, oil content is more stable in Water in oil rate and the water, measuring accuracy significantly improves, mixed liquor in the hydroecium surrounds built-in grease chamber, keeps the temperature of oil in the grease chamber not reduce, and has guaranteed oily flowability.
2) PID control is adopted in the oil circuit of system, gas circuit and water route, oil circuit variable valve control grease chamber oil gas interface, gas circuit adopt gas circuit variable valve control separation vessel internal pressure, waterway regulating valve control hydroecium water-oil interface, need not foreign intervention, big to the range of adjustment of oil mass, tolerance and the water yield.
3) the gas meter 9 measurement gas flows selected for use of this system.Pressure in the gas circuit variable valve 10 control separation vessels is controlled on the force value of setting all the time, and greater than the defeated outward pressure of gas-liquid, when coming the tolerance fluctuation to cause the separation vessel internal pressure to change, the separation vessel internal pressure will be regulated automatically.
4) according to the height that comes water percentage in the liquid, change the setting value of hydroecium water-oil interface, can correspondingly change the oil content of water in the hydroecium, the water-oil interface instrument detects the water-oil interface signal in the separation vessel hydroecium, and the input industrial control computer is controlled waterway regulating valve automatically, regulate discharge, make in the hydroecium water-oil interface keep stable, thereby keep the stable of oil content and Water in oil rate in the water, eliminate tolerance or come the liquid measure fluctuation the effect of separating and the influence of metering.
5) because the viscosity of crude after the oil and water separation is bigger, the oil circuit flow resistance is excessive, cause the negotiability of oil circuit to descend, so this system water route has installed the flow resistance variable valve additional, negotiability by the resistance that increases the water route comes balance oil circuit and water route all can flow profit smoothly.
6) crude oil on mixed liquor upper strata in the hydroecium is collected by the built-in grease chamber of separation vessel, the water percentage of oil reduces significantly in the grease chamber, liquid level gauge detects the oil gas interface signal in the separation vessel grease chamber, the input industrial control computer, automatic control oil channel variable valve, regulate oily flow, make in the grease chamber oil gas interface keep stable, eliminate tolerance or come the harmful effect of liquid measure fluctuation measuring accuracy.
7) system has automatic sand surfing function, and the sand surfing water pump can timing automatic start, and washes away the separation vessel bottom, prevents that oil well from coming the sedimentation of carrying secretly in the liquid, has guaranteed long-term, the safe operation continuously of system.
8) instrument that system adopted is explosion-proof type, all detect and control signal is all carried out Signal Spacing by safety barrier, control flows into the energy of hazardous area below the ignition energy of inflammable and explosive medium, guarantees that metering system can be in inflammable, explosive occasion safe operation.
9) this system's run duration unmanned, can easily carry out switching automatic and manual control as required, automatic fully operation can be handled various phenomena of the failure automatically, under the situation of not interrupting the oil well ordinary production, realize the continuous measurement of oil-gas-water three phase flow quantity.
10) system is equipped with powerful software, the operation conditions of supervisory system at any time, and data such as demonstration, printout Oil, Water, Gas amount, water percentage generate various production reports automatically.
11) can be used for the production metering of oil wells of the anhydrous period of oil well production, low Water-cut Period, middle Water-cut Period, high water-cut stage, late high water content period and ultra-high water cut stage.By changing the size and the supporting dissimilar instrument of separation vessel, this metering system can use in the various abominable occasion in oil field.With a volume is 0.8m
3Triphase separator be example, this metering system can reach following technical indicator:
Daily fluid production rate measures range: 5-450t
Daily output tolerance measures range: 80-3500Nm
3
Measurement of water ratio scope: 0-99%
Water yield per day measuring error≤2.5%
Daily oil production measuring error≤2.5%
Daily gas measurement amount error≤5%
Description of drawings
Accompanying drawing is an oil-gas-water three phase flow quantity continuous metering system structural representation.
Embodiment
The oil-gas-water three phase flow quantity continuous metering system has horizontal three-phase separator 4, in establishing, horizontal three phase separation is provided with grease chamber 12, grease chamber's outlet and oil circuit flowmeter 11, oil circuit variable valve 13, mixed-phase device 17 joins, be provided with water-oil interface instrument 5 at the horizontal three-phase separator top, liquid level gauge 6, pressure transducer II7, escape pipe, escape pipe and gas meter 9, gas circuit variable valve 10, mixed-phase device 17 joins, horizontal three-phase separator top be provided with oil inlet pipe and with admission valve 1, pressure transducer I2, temperature sensor I3 joins, the horizontal three-phase separator bottom is provided with rising pipe, rising pipe and water route flowmeter 14, waterway regulating valve 15, flow resistance variable valve 16 mixed-phase devices 17 join, rising pipe joins through sand surfing water pump 8 and the sand surfing pipe that inserts horizontal three-phase separator side direction middle part, mixed-phase device 17 and pressure transducer III18, temperature sensor II19, outlet valve 20 joins, outlet valve 20 and bypass valve 22, admission valve 1 joins, pressure transducer I2, temperature sensor I3, water-oil interface instrument 5, liquid level gauge 6, pressure transducer II7, sand surfing water pump 8, gas meter 9, gas circuit variable valve 10, oil circuit flowmeter 11, oil circuit variable valve 13, water route flowmeter 14, waterway regulating valve 15, pressure transducer III18, temperature sensor II19 and industrial control computer 21 join.
Import of the present invention is connected to the gas-liquid mixed pipe of oil well, and gas liquid outlet links to each other with the defeated outward pipe of oil well.The gas-liquid mixture of oil well output by the admission valve of opening 1, enters horizontal three-phase separator 4 and carries out oil, gas, water three phase separation.After the initial gross separation, gas is discharged from gas outlet, separation vessel top, the crude oil overflow on mixed liquor top is gone in the built-in grease chamber of separation vessel in the hydroecium, discharge from grease chamber's outlet, mixed liquor in the hydroecium surrounds the grease chamber, keep the temperature of oil in the grease chamber not reduce, the water in the hydroecium is discharged from the water out of separation vessel bottom.Preestablish the working pressure of separation vessel, the water-oil interface of hydroecium and the liquid level of grease chamber.The internal pressure of the input separation vessel by pressure transducer II7, industrial control computer 21 is just controlled 10 increases of gas circuit variable valve or is reduced airshed and regulates the interior pressure of separation vessel, make separation vessel internal pressure stabilises remain on the setting value, realize separation vessel voltage stabilizing control like this, eliminate the influence of tolerance fluctuation separating effect and measuring accuracy.The water-oil interface of the input separation vessel hydroecium by water-oil interface instrument 5, industrial control computer 21 is just controlled waterway regulating valve 15 and is increased or reduce the water-oil interface that discharge is regulated the separation vessel hydroecium, the water-oil interface of separation vessel hydroecium are stably remained on the predefined value, the water-oil interface of realizing hydroecium are regulated automatically like this, difference according to the water ratio in oil well that is measured, can regulate the setting value of water-oil interface, correspondingly change the oil content in the water and keep it stable, can proofread and correct the flow of oil by oil content in the water, improve oily measuring accuracy.When the metering high-water-cut oil-producing well, crude oil after the profit initial gross separation can stably flow in the built-in grease chamber of separation vessel, the Water in oil rate significantly diminishes in the grease chamber, the density parameter that detects by the oil circuit flowmeter is revised the flow of oil then, oil content also keeps stable in the water and separate in the hydroecium of back, can proofread and correct the flow of oil, You measuring accuracy is just improved significantly like this.Because the viscosity of crude after the oil and water separation is bigger, the oil circuit flow resistance is excessive, and therefore the mobile variation of oil circuit has installed the flow resistance variable valve additional in the water route, the negotiability of coming balance oil circuit and water route by the resistance that increases the water route.The liquid level of the input separation vessel grease chamber by liquid level gauge 6, industrial control computer 21 increases or reduces oily flow with regard to control oil channel variable valve 13, remain on the predefined value with making separation vessel grease chamber level stability, realize that like this grease chamber's liquid level regulates automatically.When grease chamber's liquid level is lower than the overflow plate of hydroecium, liquid level gauge 6 detects is oil gas interface in the grease chamber, when grease chamber's liquid level is higher than the overflow plate of hydroecium, what liquid level gauge 6 detected is total liquid level in the horizontal three-phase separator, realized like this measuring two liquid levels, can calculate the thickness of oil reservoir in the separation vessel this moment according to the measuring-signal of water-oil interface instrument and liquid level gauge with a liquid level gauge.When coming tolerance or come liquid measure to produce fluctuation, metering system makes separation vessel internal pressure, hydroecium water-oil interface and grease chamber's liquid level remain stable by the flow of automatic adjusting three-phase, eliminate the harmful effect of fluctuation, improved the precision of systematic survey separating effect and metering generation.
System generally operates in following five kinds of states:
First kind of state, system just starts shooting.
The oil gas water three tunnel of system all switches to manual state, the gas circuit valve closing, the valve wide open of water route and oil circuit is not controlled hydroecium water-oil interface and grease chamber's liquid level, allow mixed liquor flow freely in the pipeline, rely on the temperature of mixed liquor to make separation vessel and pipeline preheating by separation vessel.When the internal pressure that detects separation vessel as pressure transducer II7 reaches service pressure, gas circuit is switched to auto state, the pressure that industrial control computer 21 is regulated in the separation vessel by pid algorithm control gas circuit variable valve 10, make the remaining on the setting value of internal pressure stabilises of separation vessel, system is after operation a period of time, the temperature that temperature sensor II19 detects outlet reaches service requirement, manual adjustments oil circuit and waterway regulating valve, make hydroecium water-oil interface and grease chamber's liquid level reach in advance setting value, oil circuit and water route are switched to auto state, and system enters normal operating condition.
Second kind of state, system normally moves.
After the system boot process finishes, the oil gas water three tunnel of system all switches to auto state, industrial control computer 21 is by pid algorithm control gas circuit variable valve 10, oil circuit variable valve 13 and waterway regulating valve 15, make separation vessel internal pressure, hydroecium water-oil interface and grease chamber's liquid level all stably be controlled on the preset value, when coming tolerance or come liquid measure to produce fluctuation, system can in time regulate the flow of oil gas water three phase, eliminates the harmful effect that fluctuation produces.
The third state, system's sand surfing.
Come sand and impurity in the liquid more, long-play is attached on the bottom of separation vessel easily, and is bigger to the influence of system.The present invention has adopted automatic sand surfing measure, system's timing automatic starts sand surfing water pump 8, stop water route PID control simultaneously, waterway regulating valve 15 is placed standard-sized sheet, by sand surfing water pump 8 the water of separation vessel water out by in the salty new input separation vessel of the sand surfing on the separation vessel, at the inner artificial eddy current of making of separation vessel, wash away the silt that stick the separation vessel bottom, and discharge from the separation vessel water out.After washing away a period of time, system stops sand surfing water pump 8 automatically, starts water route PID control simultaneously.In the sand surfing during this period of time, oil content can change in the water, can proofread and correct by measuring curve, and measuring accuracy is unaffected.The phenomenon that silt deposits in the separation vessel has been eliminated in system's timing automatic sand surfing, and the assurance system can the long-time continuous operation.
The 4th kind of state, system-down.
The admission valve 1 of shutdown system, the oil gas water three tunnel of system all switches to manual state, and the gas circuit valve closing, waterway regulating valve 15 and oil circuit variable valve 13 standard-sized sheets are all discharged the liquid in separation vessel hydroecium and the grease chamber.
The 5th kind of state, the system failure.
System can handle the fault of appearance automatically, avoids manual intervention, realizes safe operation.The system failure is divided into following nine kinds of situations: power down fault, oil circuit variable valve 13 faults, gas circuit variable valve 10 faults, waterway regulating valve 15 faults, flowmeter fault, pressure transducer II7 fault, line clogging, the fault of pouring in down a chimney, industrial control computer 21 faults.
When fault took place, the type of industrial control computer 21 automatic failure judgement was also carried out corresponding exception handles.Guaranteed the long-term safety ground operation of system.
Proof on the principle and in the experiment, large-minded and liquid measure is little, narrow-minded and liquid measure big, the tolerance liquid measure is all big, the tolerance liquid measure is all little even tolerance is minimum and under the great various operating modes of liquid measure, the operation that system all can be normally and efficiently.Working pressure in the separation vessel can be controlled at the influence that the needed pressure of discharge opeing is not come gas-liquid amount and outer defeated pressure surge all the time; According to the water percentage situation of coming in the liquid, the setting value that can regulate the hydroecium water-oil interface correspondingly changes the oil content of water in the hydroecium and keeps it stable; The crude oil on mixed liquor upper strata in the hydroecium is collected by built-in grease chamber, so the water percentage of oil reduces significantly in the grease chamber, and keeps it stable; The observation and control technology that system adopts makes the water-oil interface of separation vessel internal pressure, hydroecium and the oil gas interface of grease chamber all can obtain steadily control reliably, and separating effect is not come the influence of gas-liquid amount.Especially in metering during high-water-cut oil-producing well, oil content can remain stablely in Water in oil rate and the water, and in view of the above oily flow is proofreaied and correct, and has increased substantially the precision of systematic survey.Supporting oil circuit flowmeter 11, the water route flowmeter 14 equal no-rotary parts selected for use of the present invention, and intelligent, digitizing.Gas meter 9 can detect the volumetric flow rate of separating back gas, compensates the gas flow that converts under the status of criterion by temperature and pressure; Oil circuit flowmeter 11 detects mass rate, density and the temperature of separating back oil; Water route flowmeter 14 detects the volumetric flow rate of separating back water, the above-mentioned flow signal that is detected, input industrial control computer 21, can accurately calculate gas, the oil of oil well, the output of water three-phase, can be according to the output of oil gas water, select the matching instrument of different ranges, applied widely.Industrial control computer can wash away the separation vessel bottom by timing automatic startup sand surfing water pump, prevents that oil well from coming the sedimentation of carrying secretly in the liquid.System can easily carry out automatically and the manually switching of control, can show, prints and export data such as absolute oil, water purification, tolerance and water percentage at any time, generates various production reports automatically.
Claims (1)
1. oil-gas-water three phase flow quantity continuous metering system, it is characterized in that it has horizontal three-phase separator (4), in horizontal three-phase separator, be provided with built-in grease chamber (12), grease chamber's outlet and oil circuit flowmeter (11), oil circuit variable valve (13), mixed-phase device (16) joins, be provided with water-oil interface instrument (5) at the horizontal three-phase separator top, liquid level gauge (6), pressure transducer II (7), escape pipe, escape pipe and gas meter (9), gas circuit variable valve (10), mixed-phase device (16) joins, horizontal three-phase separator top be provided with oil inlet pipe and with admission valve (1), pressure transducer I (2), temperature sensor I (3) joins, the horizontal three-phase separator bottom is provided with rising pipe, rising pipe and water route flowmeter (14), waterway regulating valve (15), flow resistance variable valve (16), mixed-phase device (17) joins, rising pipe joins through sand surfing water pump (8) and the sand surfing pipe that inserts horizontal three-phase separator side direction middle part, mixed-phase device (17) and pressure transducer III (18), temperature sensor II (19), outlet valve (20) joins, outlet valve (20) and bypass valve (22), admission valve (1) joins, pressure transducer I (2), temperature sensor I (3), water-oil interface instrument (5), liquid level gauge (6), pressure transducer II (7), sand surfing water pump (8), gas meter (9), gas circuit variable valve (10), oil circuit flowmeter (11), oil circuit variable valve (13), water route flowmeter (14), waterway regulating valve (15), pressure transducer III (18), temperature sensor II (19) joins with industrial control computer (21).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100183352A CN100340843C (en) | 2004-05-10 | 2004-05-10 | Oil-gas-water three phase flow continuously metering system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100183352A CN100340843C (en) | 2004-05-10 | 2004-05-10 | Oil-gas-water three phase flow continuously metering system |
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| Publication Number | Publication Date |
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| CN1570572A true CN1570572A (en) | 2005-01-26 |
| CN100340843C CN100340843C (en) | 2007-10-03 |
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| CNB2004100183352A Expired - Lifetime CN100340843C (en) | 2004-05-10 | 2004-05-10 | Oil-gas-water three phase flow continuously metering system |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100367008C (en) * | 2006-09-28 | 2008-02-06 | 蔺新良 | Low accompanying gas measuring station gauging system |
| CN100405025C (en) * | 2007-04-24 | 2008-07-23 | 胜利油田胜利工程设计咨询有限责任公司 | Oil gas and water mixed flow phase-splitting contimuous measuring equipment |
| CN100406857C (en) * | 2006-08-08 | 2008-07-30 | 寿焕根 | Automatic metering device for oil, water and gas three-phase flow |
| CN100406856C (en) * | 2006-08-08 | 2008-07-30 | 寿焕根 | Automatic metering device for oil well three-phase flow |
| CN101408444B (en) * | 2007-10-09 | 2011-08-31 | 上海一诺仪表有限公司 | Three-phase flow metering device of oil well |
| CN101363745B (en) * | 2007-08-07 | 2011-09-21 | 上海麦登电子设备有限公司 | Multiphase flow quantitative method and multiphase flow mass flowmeter |
| CN102411863A (en) * | 2011-07-25 | 2012-04-11 | 浙江大学 | Teaching experimental apparatus for measuring two-phase convective heat-transfer coefficient of micropipe |
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| CN101333925B (en) * | 2008-05-23 | 2013-02-13 | 安东石油技术（集团）有限公司 | Oil gas water three phase on-line inseparate flow measurement system |
| CN101338664B (en) * | 2008-05-23 | 2013-05-15 | 安东石油技术（集团）有限公司 | Condensed gas flow quantity measuring systems |
| CN101333926B (en) * | 2008-05-23 | 2013-05-15 | 安东石油技术（集团）有限公司 | Oil gas water flow measurement system possessing automatic control device |
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| CN1017927B (en) * | 1989-09-11 | 1992-08-19 | 胜利石油管理局桩西采油厂 | Double capacity quantitative testing method and apparataus for moisture content |
| CN1072499A (en) * | 1991-11-16 | 1993-05-26 | 北京市西城区新开通用试验厂 | A kind of oil, gas and water measuring separator |
| WO1995010028A1 (en) * | 1993-10-05 | 1995-04-13 | Atlantic Richfield Company | Multiphase flowmeter for measuring flow rates and densities |
| CN2702277Y (en) * | 2004-05-10 | 2005-05-25 | 浙江大学 | Oil, air and water three-phase flow continuous metering system |
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- 2004-05-10 CN CNB2004100183352A patent/CN100340843C/en not_active Expired - Lifetime
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| CN100406857C (en) * | 2006-08-08 | 2008-07-30 | 寿焕根 | Automatic metering device for oil, water and gas three-phase flow |
| CN100406856C (en) * | 2006-08-08 | 2008-07-30 | 寿焕根 | Automatic metering device for oil well three-phase flow |
| CN100367008C (en) * | 2006-09-28 | 2008-02-06 | 蔺新良 | Low accompanying gas measuring station gauging system |
| CN100405025C (en) * | 2007-04-24 | 2008-07-23 | 胜利油田胜利工程设计咨询有限责任公司 | Oil gas and water mixed flow phase-splitting contimuous measuring equipment |
| CN101363745B (en) * | 2007-08-07 | 2011-09-21 | 上海麦登电子设备有限公司 | Multiphase flow quantitative method and multiphase flow mass flowmeter |
| CN101408444B (en) * | 2007-10-09 | 2011-08-31 | 上海一诺仪表有限公司 | Three-phase flow metering device of oil well |
| CN101333925B (en) * | 2008-05-23 | 2013-02-13 | 安东石油技术（集团）有限公司 | Oil gas water three phase on-line inseparate flow measurement system |
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| CN101338664B (en) * | 2008-05-23 | 2013-05-15 | 安东石油技术（集团）有限公司 | Condensed gas flow quantity measuring systems |
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| CN102411863A (en) * | 2011-07-25 | 2012-04-11 | 浙江大学 | Teaching experimental apparatus for measuring two-phase convective heat-transfer coefficient of micropipe |
| CN102411863B (en) * | 2011-07-25 | 2013-06-05 | 浙江大学 | Teaching experimental apparatus for measuring two-phase convective heat-transfer coefficient of micropipe |
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| CN108291829B (en) * | 2015-11-24 | 2021-03-02 | 斯伦贝谢技术有限公司 | Multiphase flow measurement system and method |
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| CN109682713B (en) * | 2019-02-21 | 2024-04-19 | 吉林大学 | Automatic determination device and determination method for oil content of oil shale |
| CN110082367A (en) * | 2019-05-16 | 2019-08-02 | 南京航空航天大学 | Fuel water-containing Characteristics Detection experimental provision and method |
| CN116148126A (en) * | 2023-02-22 | 2023-05-23 | 浙江海牛海洋工程有限公司 | Device and method for continuously measuring density of each single phase of oil-gas-water multiphase flow mixture |
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