CN109946347A - A kind of land face well head oil gas water three phase moisture percentage measuring apparatus - Google Patents
A kind of land face well head oil gas water three phase moisture percentage measuring apparatus Download PDFInfo
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- CN109946347A CN109946347A CN201910288011.7A CN201910288011A CN109946347A CN 109946347 A CN109946347 A CN 109946347A CN 201910288011 A CN201910288011 A CN 201910288011A CN 109946347 A CN109946347 A CN 109946347A
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Abstract
The invention discloses a kind of land face well head oil gas water three phase moisture percentage measuring apparatus, comprising: casing, exhaust pipe, measurement pipe and control system；The side wall of casing is communicated with inlet tube, and measurement pipe is provided in casing, and closed toroidal cavity is formed between measurement pipe and casing, and toroidal cavity is connected to exhaust pipe, and the gas in toroidal cavity is discharged exhaust valve；Measurement pipe includes mixed phase measurement pipe and full water gaging pipe, and full water gaging pipe is provided with inlet opening and the first conductivity sensor, and control system is acquired the output voltage of the first conductivity sensor, obtains first voltage；Mixed phase measurement pipe is provided with inlet opening and the second conductivity sensor, and control system is acquired the output voltage of the second conductivity sensor, obtains second voltage；Control system determines the moisture content of fluid to be measured according to first voltage and second voltage.Device provided by the invention can landside well head moisture content carry out real-time measurement, and apparatus structure is simple, at low cost, small in size.
Description
Technical field
The present invention relates to oil well head parameter measuring technical fields, contain more particularly to a kind of land face well head oil gas water three phase
Water rate measuring device.
Background technique
In Petroleum Production, what oil mining came out is a kind of fluid-mixing containing petroleum, gas and water and various impurity,
Wherein water phase content is that the important parameter of Petroleum Production well logging section evaluation measurement improves oil gas and open for improving oil and gas production
Adopting efficiency has vital effect.Overwhelming majority land face well head parameter measurement at present relies on artificial regular sample examination, and
Often there are the drawbacks such as great work intensity, low efficiency, real-time are poor, test data is discontinuous, influence factor is more in the conventional method.
External product measurement accuracy is high at present, applied widely, but measuring technique is complicated, and volume is big, and cost is high.It is domestic
Land face well head parameter measuring apparatus mainly have gas-liquid separated oil-water-gas three-phase metering device and the Lanzhou of Lanzhou Hai Mo company
The multi-phase flowmeter of Hai Mo company.Domestic equipment is developed mostly using foreign technology as source, and accuracy of measurement, reliability are not as good as external
Product, portioned product is still in the development development stage.
Therefore, this field need a kind of simple, at low cost, the small in size measuring device of structure can landside well head it is aqueous
Rate carries out real-time measurement.
Summary of the invention
Deficiency in view of the above technology, the object of the present invention is to provide a kind of land face well head oil gas water three phase measurement of water ratio
Device, can landside well head moisture content carry out real-time measurement, and apparatus structure is simple, at low cost, small in size.
To achieve the above object, the present invention provides following schemes:
A kind of land face well head oil gas water three phase moisture percentage measuring apparatus, comprising: casing, exhaust pipe, measurement pipe and control system
System；
The side wall of described sleeve pipe is communicated with inlet tube, and the measurement pipe, the measurement pipe and institute are provided in described sleeve pipe
It states and forms closed toroidal cavity between casing, fluid to be measured enters in the toroidal cavity through the inlet tube；The annular
Cavity is connected to the exhaust pipe, exhaust valve is provided in the exhaust pipe, the exhaust valve is used for will be in the toroidal cavity
Gas discharge；
The measurement pipe includes mixed phase measurement pipe and full water gaging pipe, the mixed phase measurement pipe and the full water gaging Guan Lian
It is logical；
The full water gaging bottom of the tube side wall is provided with inlet opening, the water in the toroidal cavity by the inlet opening into
Enter in the full water gaging pipe, be provided with the first conductivity sensor on the full water gaging pipe, first conductivity sensor and
Control system electrical connection, the control system are acquired the output voltage of first conductivity sensor, obtain the
One voltage；
The mixed phase measurement pipe bottom sidewall is provided with inlet opening, the mixed phase liquid in the toroidal cavity by it is described into
Fluid apertures enters in the mixed phase measurement pipe, and the second conductivity sensor is provided in the mixed phase measurement pipe, and second conductance passes
Sensor and control system electrical connection, the control system are acquired the output voltage of second conductivity sensor,
Obtain second voltage；
The control system determines the moisture content of fluid to be measured according to the first voltage and the second voltage.
Optionally, described device further includes outlet, and the toroidal cavity and the outlet are connected by the exhaust pipe
Logical, the gas of discharge enters the outlet；
The mixed phase measurement pipe is connected to the outlet, and the mixed phase liquid in the mixed phase measurement pipe passes through the outlet
Pipe outflow.
Optionally, described device further includes check valve, and the check valve is arranged in the exhaust pipe, the exhaust valve row
Gas out enters the outlet through the check valve.
Optionally, described device further includes well casing, and the first valve is provided in the well casing, and the well casing side wall is provided with
Liquid outlet and inlet, the liquid outlet and the inlet are set to first valve two sides, and the well casing is successively through institute
State liquid outlet and the second valve be connected to the inlet tube, the outlet successively through third valve and the inlet with it is described
Well casing connection.
Optionally, first conductivity sensor and second conductivity sensor include insulation tube and are mounted on institute
State the annular measuring electrode and annular inspiriting electrode on insulation inside pipe wall.
Optionally, the control system includes sensing excitation module, signal processing module and timing working module, the biography
Feel excitation module and act on the excitation electrode for generating excitation constant-current source, and by the excitation constant-current source, at the signal
Reason module is for handling the voltage signal of measuring electrode；The timing working module is used to sense first conductance
Device and second conductivity sensor are timed power supply.
Optionally, antipriming pipe is provided in the inlet tube, the antipriming pipe is used to filter out the impurity in fluid to be measured.
Optionally, second conductivity sensor is at least one.
The specific embodiment provided according to the present invention, the invention discloses following technical effects:
1, the present invention measures the first voltage in full water gaging area by the first conductivity sensor, passes through the second conductivity sensor
The second voltage in grease mixed phase area is measured, control system determines the moisture content of fluid to be measured according to collected voltage data.This
Invention device structure is simple, cost is low, small in size, can be realized the real-time measurement of land face well head moisture content.
2, the gas in testing liquid is discharged by exhaust valve by the present invention, makes measurement of water ratio under the conditions of water-oil phase
It carries out, improves measuring precision of water content in water.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of land face well head oil gas water three phase moisture percentage measuring apparatus schematic illustration of the embodiment of the present invention；
Fig. 2 is a kind of 3 dimensional drawing of land face well head oil gas water three phase moisture percentage measuring apparatus of the embodiment of the present invention；
Fig. 3 is a kind of left view of land face well head oil gas water three phase moisture percentage measuring apparatus of the embodiment of the present invention；
Fig. 4 is a kind of rearview of land face well head oil gas water three phase moisture percentage measuring apparatus of the embodiment of the present invention；
Fig. 5 is the 3 dimensional drawing of measurement pipe of the embodiment of the present invention；
Fig. 6 is the 3 dimensional drawing of conductivity sensor of the embodiment of the present invention；
Fig. 7 is the structural schematic diagram of control system of the embodiment of the present invention.
1 inlet tube, 2 casings, 301 full water gaging pipes, 302 mixed phase measurement pipes, 4 exhaust pipes, 5 exhaust valves, 6 inlet openings, 7
One conductivity sensor, 8 inlet openings, 9 second conductivity sensors, 10 outlets, 11 check valves, 12 well casings, 13 first valves, 14
Two valves, 15 third valves, 16 control systems, 17 down-lead devices, 18 host computers, 19 antipriming pipes, 20 first flanges, 21 second methods
Orchid, 22 third flanges, 23 pedestals, 24 first lead mouths, 25 insulation tubes, 26 measuring electrodes, 27 second lead wire outlet, 28 excitation electricity
Pole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of land face well head oil gas water three phase moisture percentage measuring apparatus, being capable of landside well head
Moisture content carries out real-time measurement, and apparatus structure is simple, at low cost, small in size.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Fig. 1 is a kind of land face well head oil gas water three phase moisture percentage measuring apparatus schematic illustration of the embodiment of the present invention, and Fig. 2 is
A kind of 3 dimensional drawing of land face well head oil gas water three phase moisture percentage measuring apparatus of the embodiment of the present invention, Fig. 3 are that the present invention is implemented
A kind of left view of land face well head oil gas water three phase moisture percentage measuring apparatus of example, Fig. 4 are a kind of land face well head of the embodiment of the present invention
The rearview of oil gas water three phase moisture percentage measuring apparatus.
Referring to figures 1-4, a kind of land face well head oil gas water three phase moisture percentage measuring apparatus, comprising: casing 2, exhaust pipe 4,
Measurement pipe and control system 16；The side wall of described sleeve pipe 2 is communicated with inlet tube 1, and the measurement pipe is provided in described sleeve pipe 2,
Closed toroidal cavity is formed between the measurement pipe and described sleeve pipe 2, fluid to be measured enters the annular through the inlet tube 1
In cavity；The toroidal cavity is connected to the exhaust pipe 4, and exhaust valve 5 is provided in the exhaust pipe 4, and the exhaust valve 5 is used
It is discharged in by the gas in the toroidal cavity.
The measurement pipe includes mixed phase measurement pipe 302 and full water gaging pipe 301, the mixed phase measurement pipe 302 and described complete
Water gaging pipe 301 is connected to.
Complete 301 bottom sidewall of water gaging pipe is provided with inlet opening 6, and the water in the toroidal cavity passes through the water inlet
Hole 6 enters in the full water gaging pipe 301, is provided with the first conductivity sensor 7 on the full water gaging pipe 301, and described first
Conductivity sensor 7 and the control system 16 are electrically connected, output electricity of the control system 16 to first conductivity sensor 7
Pressure is acquired, and obtains first voltage.
302 bottom sidewall of mixed phase measurement pipe is provided with inlet opening 8, and the mixed phase liquid in the toroidal cavity passes through institute
It states inlet opening 8 to enter in the mixed phase measurement pipe 302, the second conductivity sensor 9, institute is provided in the mixed phase measurement pipe 302
It states the second conductivity sensor 9 and the control system 16 is electrically connected, the control system 16 is to second conductivity sensor 9
Output voltage is acquired, and obtains second voltage.
The control system 16 determines the moisture content of fluid to be measured according to the first voltage and the second voltage.
Specifically, Fig. 5 is the 3 dimensional drawing of measurement pipe of the embodiment of the present invention, as shown in figure 5, the embodiment of the present invention is aqueous
Rate real-time measurement mainly carries out in measurement pipe, and measurement pipe includes full water gaging part and mixed phase measurement part, measures in mixed phase
302 lower sides of pipe offer inlet opening 8, and the following are full water gaging parts for inlet opening 8, and the above are mixed phases to measure part, come real
When it is synchronous carry out mixed phase and full water gaging, full water gaging pipe 301 is provided with the first conductivity sensor 7, and mixed phase measurement pipe 302 is arranged
It is provided with first lead mouth 24 there are two the second conductivity sensor 9 and in side wall, the first conductivity sensor 7 and the second conductance pass
The line of sensor 9 is connect by first lead mouth 24 and down-lead device 17 with control system 16, first conductivity sensor 7 and described
Second conductivity sensor 9 is all made of with measurement pipe to be screwed.
As one embodiment of the present invention, described device further include:
Outlet 10, the toroidal cavity and the outlet 10 are connected to by the exhaust pipe 4, and the gas of discharge enters
The outlet 10；The mixed phase measurement pipe 302 is connected to the outlet 10, the mixed phase liquid in the mixed phase measurement pipe 302
Body is flowed out by the outlet 10.
Specifically, 2 sidewall weld of 1 one end of inlet tube and casing, 2 lower end of casing are welded on pedestal 23,2 upper end of casing is logical
It crosses second flange 21 and outlet 10 connects, exhaust valve 5 and down-lead device 17 are installed in second flange 21, are all made of sealing screw thread
Connection, exhaust pipe 4 and outlet 10 weld, and the gas in toroidal cavity in oil gas water fluid-mixing is discharged exhaust valve 5, gas
Enter outlet 10 through exhaust pipe 4, toroidal cavity and measurement pipe are that fluid provides flow channel, and measurement pipe is divided into two parts:
Full water gaging pipe 301 and mixed phase measurement pipe 302, complete 301 bottom of water gaging pipe are connect with 23 connected of pedestal, mixed phase measurement pipe
302 tops and second flange 21 are welded, and are connected to outlet 10, and 302 bottom sidewall of mixed phase measurement pipe is provided with inlet opening 8, institute
Inlet opening 8 is stated for connection casing 2 and mixed phase measurement pipe 302；Complete 301 lower sides of water gaging pipe are provided with round inlet opening 6, use
To guarantee that the water phase in full water gaging area updates.
As one embodiment of the present invention, described device further include:
Check valve 11, the check valve 11 are arranged in the exhaust pipe 4, described in the gas warp that the exhaust valve 5 is discharged
Check valve 11 enters the outlet 10.
Specifically, exhaust valve 5, check valve 11 and exhaust pipe 4 are using being threadedly coupled, check valve 11 can be prevented in outlet 10
Fluid flow into toroidal cavity in.
As one embodiment of the present invention, described device further include:
Well casing 12 is provided with the first valve 13 in the well casing 12, and 12 side wall of well casing is provided with liquid outlet and feed liquor
Mouthful, the liquid outlet and the inlet are set to 13 two sides of the first valve, and the well casing 12 is successively through the liquid outlet
Be connected to the second valve 14 with the inlet tube 1, the outlet 10 successively through third valve 15 and the inlet with it is described
Well casing 12 is connected to.
Specifically, 1 other end of inlet tube and first flange 20 are welded, connected by the liquid outlet of first flange 20 and well casing 12
Logical, 10 other end of outlet and third flange 22 weld, and are connected to by third flange 22 with the inlet of well casing 12.
Preferably, first conductivity sensor 7 and second conductivity sensor 9 include insulation tube 25 and installation
Annular measuring electrode 26 and annular inspiriting electrode 28 on 25 inner wall of insulation tube.
Fig. 6 is the 3 dimensional drawing of conductivity sensor of the embodiment of the present invention, as shown in fig. 6, each conductivity sensor includes
The insulation tube 25 for the second lead wire outlet 27 that there are two bands and four annular metal electrodes for being mounted on 25 inner wall of insulation tube, absolutely
The material of edge pipe 25 is organic glass, it is therefore an objective to it prevents metal electrode from contacting with the stainless steel tube wall of measurement pipe, causes short circuit, four
A annular metal electrode is embedded in inside the tube wall of insulation tube 25, by the conducting wire in the second lead wire outlet 27 by four annular metals
Electrode and control system 16 connect, and four annular metal electrodes include the first excitation electrode, the second excitation electrode, the first measurement electricity
Pole and the second measuring electrode, the first excitation electrode and the second excitation electrode for establishing sensitive electrical flow field, the first measuring electrode and
Second measuring electrode is for obtaining internal flow flow field information, and conductivity sensor uses four cyclic annular gold in the embodiment of the present invention
Belong to electrode, but be not limited to four annular metal electrodes, moreover it is possible to use other quantity and other shapes of electrode.
Preferably, the control system 16 includes sensing excitation module, signal processing module and timing working module, described
Excitation module is sensed for generating excitation constant-current source, and the excitation constant-current source is acted on into the excitation electrode 28, the letter
Number processing module is for handling the voltage signal of measuring electrode 26；The timing working module is used for first electricity
Derivative sensor 7 and second conductivity sensor 9 are timed power supply.
Fig. 7 is the structural schematic diagram of control system of the embodiment of the present invention 16, as shown in fig. 7, control system 16 includes: sensing
Device excitation module, signal processing module and timing working module, sensor excitation module are generated using waveform generator and amplifier
The AC constant-current source of 20KHz makes that electrode 28 is motivated to establish sensitive electrical flow field；Signal processing module includes signal conditioning circuit, pressure
Frequency converter circuit and pulse-width modulation circuit, signal processing module improves the voltage signal of measuring electrode 26, voltage-frequency is converted,
The processing such as pulsewidth modulation；Timing working module is timed power supply to conductivity sensor using STM8 master controller.
Control system 16 further includes wireless transport module, and wireless transport module carries out parameter biography using ZigBee ad hoc network
It is defeated, the data in STM8 master controller are sent to host computer 18, host computer 18 is computer in the present embodiment.
Preferably, antipriming pipe 19 is provided in the inlet tube 1, the antipriming pipe 19 is miscellaneous in fluid to be measured for filtering out
Matter.Specifically, antipriming pipe 19 and inlet tube 1 are accepted, antipriming pipe 19 prevents impurity from breaing up oil gas water mixed flow for obstructing impurity
Body.
Preferably, second conductivity sensor 9 is at least one.
The embodiment of the present invention using gravitational separation process carry out gas-liquid separation, oil gas water fluid-mixing in toroidal cavity, by
In the density variation of gas liquid, gas floats upwards, and the gas in toroidal cavity is discharged exhaust valve 5；Gas is through exhaust pipe 4
Into outlet 10, check valve 11 prevents the fluid in outlet 10 from flowing into toroidal cavity；Gas is passed without measurement of water ratio
Sensor carries out measurement of water ratio under the conditions of water-oil phase, eliminates influence of the gas to measurement of water ratio, improves moisture content and surveys
Accuracy of measurement.
Working principle:
When needing to carry out measurement of water ratio, the first valve 13 of well casing 12 is closed, opens the second valve 14 of inlet tube 1
And the third valve 15 of outlet 10, the oil gas water fluid-mixing in well casing 12 is flowed into toroidal cavity by inlet tube 1, in ring
In shape cavity, due to liquid air tightness difference, gas can float upwards, and the gas in toroidal cavity is discharged exhaust valve 5, gas warp
Exhaust pipe 4 enter outlet 10, check valve 11 prevent outlet 10 in fluid flow into toroidal cavity, in toroidal cavity due to
The difference of grease density, water can separate gradually downward, and oil mixing with water liquid is entered by the inlet opening 8 of 302 side wall of mixed phase measurement pipe
Inside mixed phase measurement pipe 302, water is entered inside full water gaging pipe 301 by the inlet opening 6 of full water gaging pipe 301, full water gaging pipe
301 water level constantly rises, and after full water gaging pipe 301 is full water phase, the sensor excitation module of control system 16 is opened, letter
The processing such as number processing module improves the voltage signal of measuring electrode 26, voltage-frequency conversion, pulsewidth modulation, the first conductance sensing
The output voltage of device 7 is VW(VWIn full water gaging part after water-oil phase separation, sensed under the conditions of Quan Shui by the first conductance
Device measures), the output voltage of the second conductivity sensor of mixed phase measurement zone 9 is V at this timem(VmPart oil-water two-phase flow is measured in mixed phase
Body measures when flowing through the second conductivity sensor), by conductance method measuring principle it is found that under the conditions of water is continuous phase, conductance sensing
Two measuring electrode of device, 26 output voltage amplitudes and the conductivity of sensor internal fluid are inversely proportional, then have:
Wherein, σmFor mixed phase conductivity, σWFor continuous aqueous phase conductivity.
From Maxwell formula:
I.e.
Wherein, β is the volume fraction of continuous conduction phase in two phase flow, is specific retention in oil-water two-phase flow, and specific retention is
Referring to volume fraction shared by water phase in the fluid of pit shaft somewhere, the flux modification that specific retention can be obtained by flowmeter is moisture content,
Real-time β value is transferred to by host computer 18 using ZigBee ad hoc network, the data on flows that host computer 18 is obtained according to flowmeter is by β value
It is corrected to moisture content, to obtain the moisture content of oil gas water three phase.
The moisture percentage measuring apparatus cost that the embodiment of the present invention proposes is low, structure is simple, small in size, can satisfy land
The needs of face well head moisture content real-time measurement, it is suitable for large-scale promotion and the acquisition of collection data, data analysis, long-range prison may be implemented
Control and management are in the digitlization oil field networking engineering of one.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (8)
1. a kind of land face well head oil gas water three phase moisture percentage measuring apparatus characterized by comprising casing (2), exhaust pipe (4),
Measurement pipe and control system；
The side wall of described sleeve pipe (2) is communicated with inlet tube (1), is provided with the measurement pipe, the measurement pipe in described sleeve pipe (2)
Closed toroidal cavity is formed between described sleeve pipe (2), fluid to be measured enters the toroidal cavity through the inlet tube (1)
It is interior；The toroidal cavity is connected to the exhaust pipe (4), is provided with exhaust valve (5), the exhaust valve in the exhaust pipe (4)
(5) for the gas in the toroidal cavity to be discharged；
The measurement pipe includes mixed phase measurement pipe (302) and full water gaging pipe (301), the mixed phase measurement pipe (302) and described
Full water gaging pipe (301) connection；
Full water gaging pipe (301) bottom sidewall is provided with inlet opening (6), and the water in the toroidal cavity passes through the water inlet
Hole (6) enters in the full water gaging pipe (301), is provided with the first conductivity sensor (7) on the full water gaging pipe (301),
First conductivity sensor (7) and control system electrical connection, the control system is to first conductivity sensor (7)
Output voltage be acquired, obtain first voltage；
Mixed phase measurement pipe (302) bottom sidewall is provided with inlet opening (8), and the mixed phase liquid in the toroidal cavity passes through institute
It states inlet opening (8) to enter in the mixed phase measurement pipe (302), the second conductance sensing is provided on the mixed phase measurement pipe (302)
Device (9), second conductivity sensor (9) and control system electrical connection, the control system pass second conductance
The output voltage of sensor (9) is acquired, and obtains second voltage；
The control system determines the moisture content of fluid to be measured according to the first voltage and the second voltage.
2. well head oil gas water three phase moisture percentage measuring apparatus in land face according to claim 1, which is characterized in that described device
It further include outlet (10), the toroidal cavity is connected to the outlet (10) by the exhaust pipe (4), the gas of discharge
Into the outlet (10)；
The mixed phase measurement pipe (302) is connected to the outlet (10), and the mixed phase liquid in the mixed phase measurement pipe (302) is logical
Cross the outlet (10) outflow.
3. well head oil gas water three phase moisture percentage measuring apparatus in land face according to claim 2, which is characterized in that described device
It further include check valve (11), check valve (11) setting is in the exhaust pipe (4), the gas of exhaust valve (5) discharge
Enter the outlet (10) through the check valve (11).
4. well head oil gas water three phase moisture percentage measuring apparatus in land face according to claim 2, which is characterized in that described device
Further include well casing (12), is provided with the first valve (13) in the well casing (12), well casing (12) side wall is provided with liquid outlet
And inlet, the liquid outlet and the inlet are set to the first valve (13) two sides, the well casing (12) successively passes through
The liquid outlet and the second valve (14) are connected to the inlet tube (1), and the outlet (10) is successively through third valve (15)
It is connected to the inlet with the well casing (12).
5. well head oil gas water three phase moisture percentage measuring apparatus in land face according to claim 1, which is characterized in that described first
Conductivity sensor (7) and second conductivity sensor (9) include insulation tube and are mounted on the insulation inside pipe wall
Annular measuring electrode and annular inspiriting electrode.
6. well head oil gas water three phase moisture percentage measuring apparatus in land face according to claim 5, which is characterized in that the control
System includes sensing excitation module, signal processing module and timing working module, and the sensing excitation module is for generating excitation
Constant-current source, and the excitation constant-current source is acted on into the excitation electrode, the signal processing module is used for measuring electrode
Voltage signal is handled；The timing working module is used to pass first conductivity sensor (7) and second conductance
Sensor (9) is timed power supply.
7. well head oil gas water three phase moisture percentage measuring apparatus in land face according to claim 1, which is characterized in that the entrance
Antipriming pipe is provided in pipe (1), the antipriming pipe is used to filter out the impurity in fluid to be measured.
8. well head oil gas water three phase moisture percentage measuring apparatus in land face according to claim 1, which is characterized in that described second
Conductivity sensor (9) is at least one.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111289579A (en) * | 2020-03-12 | 2020-06-16 | 燕山大学 | Integrated sensor based on land surface gas-liquid separation and water holding rate correction method |
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| 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 |
| CN106918606A (en) * | 2017-03-08 | 2017-07-04 | 中国石油天然气股份有限公司 | It is a kind of to reduce the device based on radio frequency method well mouth of oil well water cut monitor error |
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| CN111289579A (en) * | 2020-03-12 | 2020-06-16 | 燕山大学 | Integrated sensor based on land surface gas-liquid separation and water holding rate correction method |
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