CN108104792A - A kind of real-time separate measurement device of oil gas water three phase - Google Patents
A kind of real-time separate measurement device of oil gas water three phase Download PDFInfo
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- CN108104792A CN108104792A CN201810124461.8A CN201810124461A CN108104792A CN 108104792 A CN108104792 A CN 108104792A CN 201810124461 A CN201810124461 A CN 201810124461A CN 108104792 A CN108104792 A CN 108104792A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 110
- 238000005259 measurement Methods 0.000 title claims abstract description 63
- 239000012530 fluid Substances 0.000 claims abstract description 72
- 239000000284 extract Substances 0.000 claims abstract description 26
- 238000012360 testing method Methods 0.000 claims abstract description 26
- 238000000605 extraction Methods 0.000 claims abstract description 16
- 239000011521 glass Substances 0.000 claims description 25
- 239000012528 membrane Substances 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 23
- 239000007788 liquid Substances 0.000 abstract description 17
- 238000007689 inspection Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 4
- 230000001804 emulsifying effect Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 161
- 239000003921 oil Substances 0.000 description 79
- 235000019198 oils Nutrition 0.000 description 76
- 239000012071 phase Substances 0.000 description 70
- 239000004519 grease Substances 0.000 description 7
- 230000002708 enhancing effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003129 oil well Substances 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004945 emulsification Methods 0.000 description 3
- 235000015927 pasta Nutrition 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000002569 water oil cream Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
- 235000019476 oil-water mixture Nutrition 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- -1 volume weight tube Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
-
- 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
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- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Measuring Volume Flow (AREA)
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Abstract
The invention discloses a kind of real-time separate measurement devices of oil gas water three phase, including volume weight tube, gas flowmeter, first extracts metering device, second extracts metering device and pressure difference test meter, wherein volume weight tube both ends open and its middle part be additionally provided with fluid inlet and fluid outlet, gas flowmeter, first extracts metering device, second extracts the metering device upper port with volume weight tube respectively, fluid outlet is connected with lower port, for carrying out gas phase respectively, the extraction and metering of oil phase and water phase, pressure difference test meter is connected with volume weight tube, for measuring upper port and lower port, pressure difference between upper port and fluid inlet.By above-mentioned setting, can oil emulsifying in metering process be overcome the problems, such as based on the liquid averag density inspection method of pressure difference, the disposable separation and metering for completing oil gas water, the precision height of metering, error are small and real-time.
Description
Technical field
The invention belongs to fluid separate measurement technical fields, and in particular to a kind of real-time separate measurement dress of oil gas water three phase
It puts.
Background technology
Crude oil is typical multiphase flow, and comprising oil, gas and water three-phase material, oil phase refers to the petroleum hydrocarbon phase in produced liquid in oil well,
Gas phase refers to natural gas, lighter hydrocarbons, non-light hydrocarbon gas, and water phase then refers to mineralized water, while also a small amount of solid phase (sand, cured, hydration
Object).Oil gas water multiphase does not only exist a variety of flow patterns in flow process, and complicated component is changeable, and flow monitoring is difficult.So
And in order to reasonably carry out oil field development, it is necessary to grasp the yield of single port oil well, oil production, water yield including every mouthful of oil well
And gas production.At present, in order to obtain these multidate informations, the way in most oil field is using satellite-type measuring station mode, is passed through
Manifold switches, and every mouthful of oil well of tours of inspection is separated into oil phase, water phase and gas phase through metering separator, then using each single-phase measurement
Instrument or device obtain the respective content of three components, then remix and are transported to pumping plant and carry out production processing.Used in this method
Metering separator equipment volume is huge, it is impossible to on-line measurement, so as to constrain production efficiency significantly.In the 1980s, west
The requirement of the large-scale three separate type metering systems of exploitation multi-phase flowmeter substitution is mainly proposed by company, and is cooperated with each university
The development and exploitation of multi-phase flowmeter are carried out, China also expands the research work of this respect the 1990s.
The online real time measure of three, oil gas water is one of global problem, and especially in laboratory scientific research flow, high temperature is high
For the experimental situation of pressure extremely easily so that emulsion occurs for grease, emulsification refers to that a kind of liquid is equably divided with atomic droplet
It is dispersed in another immiscible liquid, two kinds of liquid that originally cannot be admixed together is enable to mix together, are formed not
Easily layering, more stable mixture.Once generation emulsion, it will bring great difficulty to water-oil separating.
The method used at present suitable for the oil-gas-water three-phase separation of laboratory scientific research flow has image method, density contrast
Hair, electric-resistivity method, weight method and pressure differential method etc..Image method when grease emulsifies, will be unable to accurate judgement oil-water interfaces and nothing
Method works；Density difference easily influences grease density when there is gas, so as to cause error；Electric-resistivity method on the one hand easily electrolysis
It generates gas and electrode is caused to judge failure, another aspect electrode is easily covered by greasy dirt and causes failure；Weight method easily by
The influence of temperature and it is inaccurate；Pressure differential method refers to control gas/oil and oil/water interface, thus its in real time by differential pressure pickup
From emulsification, the influence of high temperature, gas, can efficiently solve more than the problem of.
The patent of invention of Patent No. 201110229611.X discloses a kind of differential type oil-gas-water three-phase metering device, bag
Insulating box, gas-liquid separator, oil water separator and computer acquisition control process system are included, is connected on described gas-liquid separator
Back-pressure valve, gas flowmeter and differential pressure pick-up are connected with differential pressure pick-up, solenoid valve and balance, gas-liquid point on oil water separator
It is connected from device with oil water separator.
Above device is used and separated twice, i.e. gas-liquid separator and oil water separator, first will be in gas-liquid mixture fluid
Gas excludes and independent measurement, then by the volume of oil, water in pressure differential metering oil water mixture, still, due to experienced two
Secondary separation, when the later stage measures, oil, the measurement of water volume will lag behind the measurement of gas volume, and the data of measurement do not have in real time
Property, error is larger, can not accurately measure the exact level of each several part in fluid-mixing, is only applicable to the fluid of measurement fixed volume
Three parts content.
Therefore, for above deficiency, the present invention is badly in need of providing a kind of real-time separate measurement device of oil gas water three phase.
The content of the invention
It is an object of the invention to provide a kind of real-time separate measurement devices of oil gas water three phase, are mainly used for and can overcome meter
The emulsification problem occurred in the process is measured, realizes the automatic gauge of indoor instrument displacement end oil-water-gas three-phase.
The present invention provides following proposals：
A kind of real-time separate measurement device of oil gas water three phase, including：Volume weight tube, the volume weight tube both ends open, and middle part
Fluid inlet and a fluid outlet there are one also setting up；Gas flowmeter, the gas flowmeter are upper with the volume weight tube
Port connects, and is measured for gas phase；First extracts metering device and the second extraction metering device, and described first extracts metering dress
Put, second extraction metering device connect one to one respectively with the fluid outlet of the volume weight tube and lower port, for respectively into
Row oil phase, water fluid metering；Pressure difference test meter, the pressure difference test meter are connected with the volume weight tube, aobvious for measuring respectively
Show the pressure difference between pressure difference between the upper port and lower port, upper port and fluid inlet.
A kind of real-time separate measurement device of oil gas water three phase as described above, further preferably, the gas flowmeter
Including the first metering branch, the first metering branch includes the first gas bottle and the first recorder jar, first gas bottle
Lower part and the first recorder jar unicom are mounted with water in first gas bottle, gas phase are realized for passing through draining water gathering of gas law
Metering.
A kind of real-time separate measurement device of oil gas water three phase as described above, further preferably, the gas flowmeter
First exhaust branch and the first intake valve are further included, the first exhaust branch includes the first row air valve and first row that are connected
Air pump, the inlet end of the first exhaust branch, the inlet end of the first metering branch are with being arranged on the gas flow
First intake valve connection in meter, for excluding the gas in first gas bottle.
A kind of real-time separate measurement device of oil gas water three phase as described above, further preferably, the gas flowmeter
The second metering branch, second exhaust branch and the second intake valve are further included, the second metering branch includes be connected second
Gas bottle and the second recorder jar, second exhaust branch include the second row air valve being connected and second row air valve, second meter
Inlet end, the inlet end of the second exhaust branch of amount branch are both connected on second intake valve；First air inlet
Valve, second intake valve are connected on the air inlet main road of the gas flowmeter.
A kind of real-time separate measurement device of oil gas water three phase as described above, further preferably, the gas flowmeter
Counterbalance valve and temperature sensor are further included, the counterbalance valve and the temperature sensor are arranged on the air inlet main road, are used
In the volume that gas under mark condition is obtained by real time temperature and pressure.
A kind of real-time separate measurement device of oil gas water three phase as described above, further preferably, the gas flowmeter
The first membrane is further included, first membrane is arranged in first gas bottle, for separating gaseous fluid and water.
A kind of real-time separate measurement device of oil gas water three phase as described above, further preferably, the volume weight tube includes
The sequentially connected seat of honour, the first glass tube, connecting seat, the second glass tube and lower seat from top to bottom, the fluid inlet and described
Fluid outlet is shifted to install on the connecting seat, and the fluid outlet is located at the top of the fluid inlet.
A kind of real-time separate measurement device of oil gas water three phase as described above, further preferably, further includes pressure sensing
Device, the pressure sensor are connected with the pressure difference test meter, for monitoring the pressure in the volume weight tube in real time.
A kind of real-time separate measurement device of oil gas water three phase as described above, further preferably, the first metering branch
Road further includes the first electronic balance, and first electronic balance is placed in the first recorder jar lower part, for measuring described first
Displaced weight in recorder jar；Described first, which extracts metering device, selects the first Reciprocating Metering Pump, and described second extracts metering dress
It puts and selects the second Reciprocating Metering Pump, measured for electronic extraction.
A kind of real-time separate measurement device of oil gas water three phase as described above, further preferably, further includes central processing
Device, the central processing unit respectively with the pressure difference test meter, the gas flowmeter, first Reciprocating Metering Pump, institute
It states the second Reciprocating Metering Pump to electrically connect, for the data measured according to the pressure difference test meter, automatically controls the gas stream
Gauge, first Reciprocating Metering Pump and second Reciprocating Metering Pump are moved and measured.
The present invention has the following advantages that compared with prior art：
The invention discloses a kind of real-time separate measurement device of oil gas water three phase, including volume weight tube, gas flowmeter, first
Extraction metering device, the second extraction metering device and pressure difference test meter, wherein volume weight tube both ends open and its middle part are additionally provided with
Fluid inlet and fluid outlet, gas flowmeter, first extract metering device, second extract metering device respectively with volume weight tube
Upper port, fluid outlet are connected with lower port, carry out the extraction and metering of gas phase, oil phase and water phase respectively, pressure difference test meter with
Volume weight tube connects, for measuring the pressure difference between upper port and lower port, upper port and fluid inlet.By above-mentioned setting,
It can overcome the problems, such as oil emulsifying in metering process based on the liquid averag density inspection method of pressure difference, disposably complete oil gas
The separation and metering of water, the precision height of metering, error are small and real-time.
Description of the drawings
Fig. 1 is a kind of structure diagram of the real-time separate measurement device of oil gas water three phase of the present invention；
Fig. 2 is the structure diagram of the gas flowmeter of the present invention.
Reference sign：
100- volume weight tubes, the 101- seats of honour, 102- connecting seats, seat under 103-, 104- fluid outlets, 105- fluid inlets,
The first glass tubes of 106-, the second glass tubes of 107-；
The first differential pressure pickups of 201-, the second differential pressure pickups of 202-；
301- first extracts metering device, and 302- second extracts metering device；
400- gas flowmeters, the first intake valves of 401-, the second intake valves of 402-, 403- temperature sensors, 404- back pressures
Valve；The first gas bottles of 411-, the first recorder jars of 412-, the first membranes of 413-, the first electronic balances of 414-；421- first exhausts
Valve, 422- first row air pumps；The second gas bottles of 431-, the second recorder jars of 432-, the second membranes of 433-, the second electronics of 434- day
It is flat；441- second row air valves, 442- second row air pumps.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, belong to the scope of protection of the invention.
In the description of the present invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Convenient for the description present invention and simplify description rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for description purpose, and it is not intended that instruction or hint relative importance.
Fig. 1 is a kind of structure diagram of the real-time separate measurement device of oil gas water three phase of the present invention.As shown in Figure 1, this
A kind of disclosure of the invention oil gas water three phase real-time separate measurement device, including：Volume weight tube 100, gas flowmeter 400, first are taken out
Metering device 301, second is taken to extract metering device 302 and pressure difference test meter.Wherein 100 both ends open of volume weight tube, and its middle part
Fluid inlet 105 and a fluid outlet 104 there are one also setting up；Gas flowmeter 400 and the upper port of volume weight tube 100 connect
It connects, is measured for gas phase；First extract metering device 301, second extract metering device 302 respectively with fluid outlet 104, capacity
The lower port of pipe 100 connects one to one, for carrying out oil phase, the metering of aqueous phase stream body respectively；Pressure difference test meter and volume weight tube 100
Connection, for measuring the pressure difference between display upper port and lower port, upper port and fluid inlet 105 respectively.Above device
In, pressure difference test meter mainly includes the first differential pressure pickup 201, the second differential pressure pickup 202 and digital display module, and the first pressure difference passes
The both ends of sensor 201 are connected to fluid inlet 105 and in upper port, the both ends of the second differential pressure pickup 202 connect respectively
In the upper port and lower port of volume weight tube 100, for measuring respectively between upper port and fluid inlet 105, upper port under
The pressure difference of port, digital display module electrically connects respectively with the first differential pressure pickup 201, the second differential pressure pickup 202, for simultaneously
The pressure difference measured by two differential pressure pickups is shown, to aid in the separate measurement of oil gas water.First extracts 301 He of metering device
Second extraction metering device 302, which is respectively used to be changed according to the pressure difference of pressure difference test meter, extracts oil phase or water phase, and completes to measure.
Further, the present embodiment also discloses the course of work and operation principle of above device：
Due to 202 both ends of the first differential pressure pickup 201 and the second differential pressure pickup in pressure difference test meter interface position
Through fixation, the liquid level and fluid density between differential pressure pickup reading and two interface ends are related.Two differential pressure pickups
Reading difference it is as follows：
Wherein, P1Represent the reading of the first differential pressure pickup 201, ρg_oIt represents between two connector of the first differential pressure pick-up
Gas and oil averag density, g is acceleration of gravity, h1Represent the height of first 201 liang of connectors of differential pressure pickup；P2Represent second
The reading of differential pressure pickup 202, ρg_o_wRepresent the gas and oil averag density between two connector of the second differential pressure pick-up, h2Represent
The height of two 202 liang of connectors of differential pressure pickup；Since gas density is very small compared with liquid, by the density of gas generation
After ignoring, averag density calculates as follows：
Wherein, hoRepresent h1The height of middle oil, h 'oRepresent h2The height of middle oil, hwRepresent h2The height of middle water, by formula
(1-2) brings formula (1-1) into and obtains：
In use, pressure differential only accelerates the device with the density of fluid, gravity it can be seen from formula (1-3)
Degree, the height of fluid are related, and after grease emulsifies, for emulsified fluid between oil-water interfaces, first extracts metering device
301 and second to extract metering device 302 according to pressure difference suction be single-phase fluid, it is therefore described in the invention based on pressure
The phenomenon that real-time separate measurement device of oil gas water three phase of difference can effectively prevent oil-water emulsion.
Before device comes into operation, oil gas liquid level and grease liquid level in pondage pipe 100, and record two pressure differences and pass
The initial value P of sensor1(t=0) and P2(t=0) and the initial number value difference Δ P of two differential pressure pickups1-2(t=0)；It throws
After entering use, pressure difference test meter records the reading P of each two differential pressure pickups of moment automatically1(t) and P2(t) and two pass
The difference of reading Δ P of sensor1-2(t).Device is as follows to the differentiation procedure of oil gas water：
(1) when the fluid that fluid inlet 105 enters is only oil, height of the pasta in volume weight tube 100 increases, the height of water
Spend constant, i.e. Δ ho=Δ h ' x, the first differential pressure pickup 201 is consistent with the increment of the second differential pressure pickup 202, i.e. Δ P1=Δ
P2, P1(t) ＞ P1(t=0), the suction control of metering device 301 P is extracted by first at this time1(t)≈P1(t=0), the oil of suction
Amount is the oil mass into device, so as to fulfill the real-time separate measurement to oil；
(2) when the fluid that fluid inlet 105 enters is only water, pasta and water surface elevation increase, i.e. Δ hw=Δ ho,
Δh’o=0, it brings formula (1-3) into and obtains Δ P1＜ Δs P2, Δ P1-2(t)≠ΔP1-2(t=0), extract and count by second at this time
Measure the suction control Δ of device 302 P1-2(t)≈ΔP1-2(t=0), the water of suction is the water into device, so as to fulfill
To the real-time separate measurement of water；
(3) when the fluid that fluid inlet 105 enters is only gas, due to the density very little of gas, the pressure as caused by gas
Difference variation is 0, and gas automatically flows into gas flowmeter 400, so as to fulfill the real-time separate measurement to gas；
(4) when the fluid that fluid inlet 105 enters is oil gas water, height of the pasta in volume weight tube 100 increases, the water surface
Height in volume weight tube 100 also increases, and is equivalent to while (1) occurs, (2) and (3) three kinds of situations, both P1(t) ＞ P1(t=
0), Δ P1-2(t)≠ΔP1-2(t=0), metering device 301, second is extracted by gas flowmeter 400, first at this time and extracts meter
It measures device 302 and controls P1(t)≈P1(t=0), Δ P1-2(t)≈ΔP1-2(t=0), the grease amount of extraction is into device
Grease amount, the flow for flowing into gas flowmeter 400 are the tolerance into device, so as to fulfill the real-time separation meter to oil gas water
Amount.
By above-mentioned setting, can oil emulsifying in metering process be overcome based on the liquid averag density inspection method of pressure difference
The problem of, the disposable metering for completing oil gas water, the precision height of metering, error are small and real-time.
As shown in Fig. 2, in the real-time separate measurement device of a kind of oil gas water three phase disclosed in the present embodiment, gas flowmeter
400 include the first metering branch, and the first metering branch includes the first gas bottle 411 and the first recorder jar 412, the first gas bottle
411 lower part and 412 unicom of the first recorder jar are mounted with water in the first gas bottle 411, are vented gas collection method for passing through and realize gas
Mutually measure.Further, further include first exhaust branch and the first intake valve 401, first exhaust branch include being connected the
One air bleeding valve 421 and first row air pump 422, the inlet end of first exhaust branch, first metering branch inlet end with setting
The first intake valve 401 in gas flowmeter 400 connects, for excluding the gas in the first gas bottle 411.Above device
In, water is prefilled in the first gas bottle 411, after fluid-mixing enters volume weight tube 100, gas enters in the first gas bottle 411,
The occupied space of water of compaction, the volume for being discharged into water in the first recorder jar 412 at this time are the body of gas phase in oil gas water fluid-mixing
Product can directly acquire gas volume by the bulking value for reading water in the first recorder jar 412, convenient and efficient.First exhaust branch
In air bleeding valve be in normally off, used only in the first gas bottle 411 after the full gas of product, close the first intake valve at this time
401, first row air valve 421 and first row air pump 422 are opened, the gas in the first gas bottle 411 is discharged, convenient for subsequently making
With.
As shown in Fig. 2, in the real-time separate measurement device of a kind of oil gas water three phase disclosed in the present embodiment, gas flow
Meter 400 further includes the second metering branch, second exhaust branch and the second intake valve 402, the second metering branch, second exhaust branch
Road, the structure of the second intake valve 402 and connection relation measure branch, first exhaust branch and the first intake valve with first respectively
401 structure and connection relation is identical, the first intake valve 401 and the second intake valve 402 be both connected to gas flowmeter 400 into
On gas main road.In the present embodiment, the second metering branch includes the second recorder jar 432 and the second gas bottle 431, second exhaust branch
Including second row air valve 441 and second row air pump 442.Second measures setting for branch, second exhaust branch and the second intake valve 402
It puts, is mainly used for, when the first branch is vented, taking over the effect of the first metering branch, carries out the metering of gaseous fluid.That is gas
Flowmeter 400, which passes through, sets two sets gas bottles and recorder jar so that when it is a set of be in exhaust condition when, it is another set of in into vaporous
State so that the function of gas flowmeter 400 is more perfect, can complete the lasting metering of gaseous fluid volume.
As shown in Fig. 2, in the real-time separate measurement device of a kind of oil gas water three phase disclosed in the present embodiment, gas flow
Meter further includes counterbalance valve 404 and temperature sensor 403, and counterbalance valve 404 and temperature sensor 403 are arranged on air inlet main road,
Wherein temperature sensor 403 is for monitoring gas temperature, and counterbalance valve 404 is used to set the back pressure in air inlet pipeline, for passing through
Real time temperature and pressure obtain the volume of gas under mark condition.Preferably, the back pressure of 0.1MPa for air inlet pipeline is set, and works as circuit
When middle gas pressure is more than 0.1MPa, control circuit exhaust pressure relief at counterbalance valve 404.
As shown in Fig. 2, in the real-time separate measurement device of a kind of oil gas water three phase disclosed in embodiment, gas flowmeter
400 further include the first membrane 413, and the first membrane 413 is arranged in the first gas bottle 411, for separating fluid and water.Equally
, the second membrane 433 is also equipped in the second gas bottle 431.It is used in the present embodiment using air bag as the first membrane 413
Ensure that gas phase is not contacted with the water being previously loaded in the first gas bottle 411, prevent soluble easily in water due to containing in gas phase to be measured
Component and the problem of cause gas volume measurement inaccurate, i.e. the setting of the first membrane 413 further ensures gas phase and measures
Precision, improve the present apparatus measurement accuracy.
As shown in Figure 1, in the real-time separate measurement device of a kind of oil gas water three phase disclosed in embodiment, volume weight tube 100
Including the sequentially connected seat of honour 101 from top to bottom, the first glass tube 106, connecting seat 102, the second glass tube 107 and lower seat 103,
Fluid inlet 105 and fluid outlet 104 are shifted to install on connecting seat 102, and gas flowmeter 400, first extracts metering device
301st, the second extraction metering device 302 is correspondingly connected with the seat of honour 101, connecting seat 102 or lower seat 103.Fluid inlet and fluid
Outlet is shifted to install on connecting seat, and fluid outlet is located at the top of fluid inlet.In laboratory scientific research flow, metering device
Output connector usually with oil reservoir exploitation simulator is directly connected to, and the temperature and pressure of the oil gas water three phase fluid of injection are high
In general fluid, also far above general fluid, i.e. the impact resistance to volume weight tube 100 and tolerance level has very high impact
It is required that especially at fluid inlet.In order to meet this requirement, the 100 entire body material of volume weight tube being easily wholely set is processed
It is identical at fluid inlet 105 with thickness, great waste is caused, and the special volume weight tube 100 being wholely set adds
Work is cumbersome, and the cost is relatively high.In order to solve this problem, the present embodiment is single at fluid inlet 105 using being separately set
The connecting seat 102 that disclosure satisfy that oil gas water three phase fluid impact is solely set, the first glass is then made using transparent glass
The first glass tube 106 and the second glass is made in 106 and second glass tube 107 of pipe, further, the organic glass for selecting tolerance strong
Glass pipe 107 strengthens the intensity of the first glass tube 106 and the second glass tube 107, is connected to 102 both ends of connecting seat, corresponding, is
Meet the connection request of volume weight tube 100 and other component, be also provided with the seat of honour 101 that there is threeway to connect and lower seat 103, respectively
It is connected to 107 both ends of the first glass tube 106 and the second glass tube.In use, oil gas face and noodle are located at the first glass respectively
In 106 and second glass tube 107 of pipe.By the setting of said structure, the structure of volume weight tube 100 has been rebuild, has made its anti-impact
Hitting property enhancing, tolerance enhancing, and it is at low cost, service life is long.
As shown in Figure 1, in the real-time separate measurement device of a kind of oil gas water three phase disclosed in the present embodiment, pressure is further included
Force snesor, pressure sensor are connected with pressure difference test meter, for monitoring the pressure in volume weight tube 100 in real time.In above-mentioned implementation
In example, although being reset to the structure of volume weight tube 100, i.e., consolidation process is carried out to the part of fluid inlet 105,
It into the temperature and pressure status of the oil gas water three phase of volume weight tube 100 is still important factor in order that volume weight tube 100 uses to be, especially
It is the influence of pressure, and too high pressure still can cause the first glass tube 106 and the second glass tube 107 to burst, and is this
Embodiment is provided with pressure sensor, monitors upper port and fluid inlet 105, the upper port and lower port of volume weight tube 100 in real time
Pressure value, and initiate alarm when pressure reaches some strength, avoid the breakage of volume weight tube 100.
As shown in Figs. 1-2, in the real-time seperator amount device of a kind of oil gas water three phase disclosed in the present embodiment, first row
Gas branch further includes the first electronic balance 414, for measuring displaced weight in the first recorder jar 412；First extracts metering device
301 select the first Reciprocating Metering Pump, and second, which extracts metering device 302, selects the second Reciprocating Metering Pump, for electronic extraction
Metering.The setting of first electronic balance 414 is used for the quality of water in the first recorder jar of automatic weighing 412, in the density of known water
In the case of, the volume of water is adjusted, so as to obtain the volume of gas phase.Likewise, second exhaust branch is also equipped with the second electronics
Balance 434.The setting of first Reciprocating Metering Pump and the second Reciprocating Metering Pump is then used to implement the automation of extraction and metering.
I.e. the present embodiment realizes automation meter by the setting of electronic balance, the first Reciprocating Metering Pump and the second Reciprocating Metering Pump
On the one hand amount relieves dependence of the experimental provision to human metering, reduce labour, on the other hand also reduces human metering reading
The error taken improves the measurement accuracy of experiment.
As shown in Figs. 1-2, in the real-time separate measurement device of a kind of oil gas water three phase disclosed in the present embodiment, further include
Central processing unit, central processing unit respectively with pressure difference test meter, gas flowmeter 400, the first Reciprocating Metering Pump, second reciprocal
Formula metering pump electrically connects, and for the data measured according to pressure difference test meter, it is reciprocating to automatically control gas flowmeter 400, first
Metering pump and the second Reciprocating Metering Pump are moved and measured.Specifically, two pressure difference sensings can be obtained by being connected with pressure difference test meter
The pressure differential detection numerical value of device, the connection of and gas flow meter 400 can obtain the first intake valve 401 in gas flowmeter 400,
One air bleeding valve 421 and the first electronic balance 414 connect, available for control gas flowmeter 400 unlatching and gas phase metering and
First Reciprocating Metering Pump and the connection of the second Reciprocating Metering Pump, extraction and metering available for control oil phase and water phase.I.e. originally
In embodiment, pressure difference test meter is data detection device, and gas flowmeter 400, the first Reciprocating Metering Pump and second are reciprocating
Metering pump is used as performing measuring device, and central processing unit is used as processing unit, after artificially the primary data of pressure difference is adjusted, energy
Enough realize automatically controlling for the present apparatus.
Further, central processing unit also be arranged in gas flowmeter 400 first row air valve 421, the second air inlet
Valve 402, second row air valve 441 connect, and displaced weight judgement in the first electronic balance and the second electronic balance is obtained for passing through
Whether water drains in first gas bottle 411, and then closes the first intake valve 401 in due course, opens the second intake valve 402
With first row air valve 421, the rotation metering of gas phase is realized.
In addition, the present embodiment further includes digital display module, the oil gas water three phase fluid-mixing currently measured for real-time display
The continuous data of middle each several part.
In the real-time separate measurement device of a kind of oil gas water three phase based on pressure differential described in the invention, the first pressure difference passes
201 and second differential pressure pickup 202 of sensor mainly uses the differential pressure pickup of 2KPa and more than range, then highest water-column is
20cm, delta pressure sensor accuracy 0.075%F.S., limits of error 1.5Pa, then volumetric errors are 0.075F.S.,
The measurement accuracy of the real-time separate measurement device of oil gas water three phase i.e. described in the invention based on pressure differential is 0.075F.S..
Compared with prior art, a kind of real-time separate measurement device of oil gas water three phase disclosed in this invention has with following
Beneficial effect:
1st, metering device 301, second is extracted by volume weight tube 100, gas flowmeter 400, first in the present invention and extracts meter
The setting of device 302 and pressure difference test meter is measured, can oil gas water three phase meter be overcome based on the liquid averag density inspection method of pressure difference
During amount the problem of oil-water emulsion, the disposable separate measurement for completing oil gas water, error is small and timeliness is high；
2nd, the present invention provides a kind of 400 structures of gas flowmeter that gaseous phase volume is measured by draining water gathering of gas law；Structure
Simply, it is easy to use and of low cost；Simultaneously by the setting of exhaust branch, the gas collected is excluded in time, and is passed through mating
The second air inlet branch road, second exhaust branch and the second intake valve 402 setting, realize the continuous metering of gas phase；
3rd, the present invention is separated by gaseous fluid and water, is placed due to containing in gaseous fluid by the setting of the first membrane 413
The problem of having component soluble easily in water and causing gas volume measurement inaccurate, further improves the measurement accuracy of the present apparatus；
4th, the present invention is by setting the seat of honour 101, connecting seat 102, lower seat 103, the first glass tube 106 and the second glass tube
107, the component structure of volume weight tube 100, makes the enhancing of its impact resistance, tolerance enhancing, and at low cost, service life again
It is long；
5th, the present invention realizes oil gas by setting electronic balance, the first Reciprocating Metering Pump and the second Reciprocating Metering Pump
The automatic gauge of water three-phase, and pass through the setting of central processing unit, it realizes automatically controlling for the present apparatus, it is difficult to greatly reduce measurement
Degree, improves measurement efficiency and measurement accuracy.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of real-time separate measurement device of oil gas water three phase, which is characterized in that including：
Volume weight tube, the volume weight tube both ends open, and middle part are also set up there are one fluid inlet and a fluid outlet；
Gas flowmeter, the gas flowmeter are connected with the upper port of the volume weight tube, are measured for gas phase；
First extracts metering device and the second extraction metering device, and described first extracts metering device, the second extraction metering device
It connects one to one respectively with the fluid outlet of the volume weight tube and lower port, for carrying out oil phase, water fluid metering respectively；
Pressure difference test meter, the pressure difference test meter are connected with the volume weight tube, for measuring display upper port and lower port respectively
Between pressure difference, the pressure difference between upper port and fluid inlet.
2. a kind of real-time separate measurement device of oil gas water three phase according to claim 1, which is characterized in that
The gas flowmeter includes the first metering branch, and the first metering branch includes the first gas bottle and the first metering
Bottle, the lower part of first gas bottle and the first recorder jar unicom are mounted with water in first gas bottle, for passing through
Draining water gathering of gas law realizes gas phase metering.
3. a kind of real-time separate measurement device of oil gas water three phase according to claim 2, which is characterized in that
The gas flowmeter further includes first exhaust branch and the first intake valve, and the first exhaust branch includes what is be connected
First row air valve and first row air pump, the inlet end of the first exhaust branch, it is described first metering branch inlet end with
First intake valve connection being arranged in the gas flowmeter, for excluding the gas in first gas bottle.
4. a kind of real-time separate measurement device of oil gas water three phase according to claim 3, which is characterized in that
The gas flowmeter further includes the second metering branch, second exhaust branch and the second intake valve, the second metering branch
Road include the second gas bottle and the second recorder jar, second exhaust branch include second row air valve and second row air valve, described second
Inlet end, the inlet end of the second exhaust branch of metering branch are both connected on second intake valve；Described first into
Air valve, second intake valve are connected on the air inlet main road of the gas flowmeter.
A kind of 5. real-time separate measurement device of oil gas water three phase according to claim 4, which is characterized in that the gas stream
Gauge further includes counterbalance valve and temperature sensor, and the counterbalance valve and the temperature sensor are arranged at the air inlet main road
On, obtain the volume of gas under mark condition for passing through real time temperature and pressure.
6. a kind of real-time separate measurement device of oil gas water three phase according to Claims 2 or 3, which is characterized in that
The gas flowmeter further includes the first membrane, and first membrane is arranged in first gas bottle, for separating
Gaseous fluid and water.
7. a kind of real-time separate measurement device of oil gas water three phase according to claim 1 or 2, which is characterized in that
The volume weight tube includes the sequentially connected seat of honour, the first glass tube, connecting seat, the second glass tube and lower seat from top to bottom,
The fluid inlet and the fluid outlet are arranged on the connecting seat, and the fluid outlet is located at the fluid inlet
Top.
8. a kind of real-time separate measurement device of oil gas water three phase according to claim 7, which is characterized in that
Pressure sensor is further included, the pressure sensor is connected with the pressure difference test meter, for monitoring the capacity in real time
Pressure in pipe.
9. the real-time separate measurement device of a kind of oil gas water three phase according to Claims 2 or 3, which is characterized in that described
One metering branch further includes the first electronic balance, and first electronic balance is placed in the first recorder jar lower part, for measuring
Displaced weight in first recorder jar；Described first, which extracts metering device, selects the first Reciprocating Metering Pump, and described second takes out
Metering device is taken to select the second Reciprocating Metering Pump, is measured for electronic extraction.
10. a kind of real-time separate measurement device of oil gas water three phase according to claim 9, which is characterized in that
Further include central processing unit, the central processing unit respectively with the pressure difference test meter, the gas flowmeter, described
One Reciprocating Metering Pump, second Reciprocating Metering Pump electrically connect, for the data measured according to the pressure difference test meter, from
It is dynamic that the gas flowmeter, first Reciprocating Metering Pump and second Reciprocating Metering Pump is controlled to move and measure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810124461.8A CN108104792A (en) | 2018-02-07 | 2018-02-07 | A kind of real-time separate measurement device of oil gas water three phase |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810124461.8A CN108104792A (en) | 2018-02-07 | 2018-02-07 | A kind of real-time separate measurement device of oil gas water three phase |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| US20160008742A1 (en) * | 2014-06-26 | 2016-01-14 | Valin Corporation | Allocation measurement systems and methods |
| CN208073458U (en) * | 2018-02-07 | 2018-11-09 | 北京永瑞达科技有限公司 | A kind of real-time separate measurement device of oil gas water three phase |
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| CN103697962A (en) * | 2013-12-26 | 2014-04-02 | 武汉理工大学 | Drainage weighing type gas nozzle gas jet volume testing method and device |
| CN103922504A (en) * | 2014-04-11 | 2014-07-16 | 北京工业大学 | In-situ remediation system for underground water with persistent organic pollutants |
| US20160008742A1 (en) * | 2014-06-26 | 2016-01-14 | Valin Corporation | Allocation measurement systems and methods |
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