CN109098705A - A kind of oil well continuous metering device and well recovery metering system - Google Patents
A kind of oil well continuous metering device and well recovery metering system Download PDFInfo
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- CN109098705A CN109098705A CN201811265397.1A CN201811265397A CN109098705A CN 109098705 A CN109098705 A CN 109098705A CN 201811265397 A CN201811265397 A CN 201811265397A CN 109098705 A CN109098705 A CN 109098705A
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- 239000003129 oil well Substances 0.000 title claims abstract description 48
- 238000011084 recovery Methods 0.000 title claims abstract description 11
- 239000012530 fluid Substances 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 230000008676 import Effects 0.000 claims abstract description 20
- 238000005303 weighing Methods 0.000 abstract description 20
- 239000007789 gas Substances 0.000 description 20
- 238000005259 measurement Methods 0.000 description 10
- 239000003921 oil Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The present invention relates to oil well metering device field, a kind of oil well continuous metering device and well recovery metering system are provided.The oil well continuous metering device, it includes the first separator, second separator and balance pipe for being connected to the first separator and the second separator, the first fluid column that both ends are respectively communicated to the first separator is provided on first separator, it is installed on the first differential pressure pick-up of the first fluid column, first inlet and the first liquid outlet, the second fluid column that both ends are respectively communicated to the second separator is provided on second separator, it is installed on the second differential pressure pick-up of the second fluid column, second inlet and the second liquid outlet, first inlet and the second inlet are connected to import triple valve, first liquid outlet and the second liquid outlet are connected to outlet triple valve.The fixation and connection of first differential pressure pick-up and the second differential pressure pick-up are to the no any influence of the weighing of metering device.In addition, the well recovery metering system is easily installed, weighing accuracy is high.
Description
Technical field
The present invention relates to oil well metering device fields, in particular to a kind of oil well continuous metering device and oil well
Oil extraction metering system.
Background technique
Oil well metering device in the prior art is equipped with symmetrical two separators, and the oil inlet of two separators is located at
Top is connect by electric T-shaped valve with single-well oil-mining pipeline；The outlet of two separators is located at lower part, passes through electric T-shaped valve
It is connect with gathering line；It is equipped with balance pipe in the upper top of two separators, balance interface tube top is equipped with safety valve, is going to the bottom
Portion is equipped with weighing sensor, is equipped with magnetic double level gauge at middle part；Electric T-shaped valve, magnetic turning plate far transmission level meter and weighing and sensing
Respective switch position signal, liquid level signal and the weight signal of device are transmitted to PCL control display, and it is single to control two separators
Metering is measured simultaneously, and calculates oil mass, and inlet valve is equipped on pipeline of the individual well oil into electric T-shaped valve, in inlet valve and electricity
It is equipped with filter between dynamic triple valve, delivery valve is equipped on separator flow line, is equipped on the bypass pipe of disengaging oil valve
By-passing valve.
Prior art is to be measured using weighing sensor to medium, and weighing sensor is mounted on separator bottom
Portion.Separator needs to be fixed on a platform when running well, so the tightness of separator will affect weighing and pass
The measuring accuracy of sensor；The connection of process pipeline is had between double separator simultaneously, this part pipeline has support to separator again
Effect also can generate deleterious effect to measuring accuracy.
Summary of the invention
The purpose of the present invention can be surveyed for example including a kind of oil well continuous metering device is provided using differential pressure pick-up
The pressure that fluid column generates in separator is measured, to obtain liquid in pipe quality, equipment is fixed and process connection there is not device weighing
There is any influence.
The purpose of the present invention further includes providing a kind of and well recovery metering system, is easily installed, accuracy of weighing
It is high.
In order to realize above-mentioned at least one purpose, the embodiment of the present invention is adopted the following technical scheme that
A kind of oil well continuous metering device comprising the first separator, the second separator and for be connected to first separation
The first fluid column, the first differential pressure pick-up, the first inlet and is arranged on the first separator in the balance pipe of device and the second separator
One liquid outlet is provided with the second fluid column, the second differential pressure pick-up, the second inlet and the second liquid outlet on the second separator, and
The both ends of one fluid column are respectively communicated to the top and bottom end of the first separator, and the first differential pressure pick-up is installed on the first fluid column, the
The both ends of two fluid columns are respectively communicated to the top and bottom end of the second separator, and the second differential pressure pick-up is installed on the second fluid column；The
One inlet and the second inlet are connected to import triple valve, and the first liquid outlet and the second liquid outlet connect with outlet triple valve
It is logical.
Optionally, in a preferred embodiment of the invention, above-mentioned first fluid column is connected to the side wall of the first separator, the
Two fluid columns are connected to the side wall of the second separator.
Optionally, in a preferred embodiment of the invention, above-mentioned import triple valve and outlet triple valve are pneumatic three
Port valve.
Optionally, in a preferred embodiment of the invention, above-mentioned balance pipe is located at the first separator and the second separator
Top and be connected to respectively with the top of the first separator and the second separator, one end of balance pipe and the first fluid column are far from first
One end of separator bottom end is connected to, and the other end of balance pipe is connected to the second fluid column far from one end of the second separator bottom end.
Optionally, in a preferred embodiment of the invention, it is provided on above-mentioned balance pipe for measuring gas flow
Orifice flowmeter.
Optionally, in a preferred embodiment of the invention, above-mentioned orifice flow is calculated as two-direction hole flowmeter.
Optionally, in a preferred embodiment of the invention, above-mentioned oil well continuous metering device further includes temperature sensor
And pressure sensor, temperature sensor and pressure sensor are set on the pipeline of import triple valve, or；Temperature sensor and
Pressure sensor is set on balance pipe, and is located at the two sides of orifice flowmeter.
Optionally, in a preferred embodiment of the invention, above-mentioned oil well continuous metering device further includes for measuring the
First densitometer of Media density and the second densitometer for measuring Media density in the second separator in one separator, first
Densitometer is connect with the first separator, and the second densitometer is connect with the second separator.
Optionally, in a preferred embodiment of the invention, above-mentioned oil well continuous metering device further includes intelligent control system
System, intelligence control system connect with import triple valve, outlet triple valve, the first differential pressure pick-up and the second differential pressure pick-up respectively
It is logical.
A kind of well recovery metering system comprising matching used extracting device of oil and above-mentioned oil well continuous metering device.
The beneficial effect of the embodiment of the present invention for example, oil well continuous metering device provided in an embodiment of the present invention leads to
The measurement of above-mentioned first differential pressure pick-up and the realization of the second differential pressure pick-up to the pressure in the first fluid column and the second fluid column is crossed, and
The liquid quality in the first separator and the second separator is measured by the pressure of measurement.Since the first differential pressure senses in the application
Device and the second differential pressure pick-up are connected to the side wall of the first separator and the second separator, therefore the first differential pressure pick-up and second
The fixation and connection of differential pressure pick-up are to the no any influence of the weighing of oil well continuous metering device.In addition, the present invention is implemented
Example additionally provides a kind of well recovery metering system, is easily installed, and weighing accuracy is high.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 provides the structural schematic diagram of the first connection type of oil well continuous metering device for the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of second of connection type of oil well continuous metering device provided in an embodiment of the present invention；
Fig. 3 increases in the case where the first connection type of oil well continuous metering device to be provided in an embodiment of the present invention
Measure the structural schematic diagram of the mechanism of gas flow and comprehensive water cut；
Fig. 4 increases in the case where second of connection type of oil well continuous metering device to be provided in an embodiment of the present invention
Measure the structural schematic diagram of the mechanism of gas flow and comprehensive water cut.
Icon: 100- oil well continuous metering device；The first separator of 110-；The first fluid column of 111-；The first differential pressure of 112- passes
Sensor；The first inlet of 113-；The first liquid outlet of 114-；The first densitometer of 115-；The second separator of 120-；The second liquid of 121-
Column；The second differential pressure pick-up of 122-；The second inlet of 123-；The second liquid outlet of 124-；The second densitometer of 125-；130- balance
Pipe；131- orifice flowmeter；132- temperature sensor；133- pressure sensor；140- import triple valve；150- exports threeway
Valve；160- intelligence control system.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put or those skilled in the art orientation or position that usually understand
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term
" first ", " second ", " third " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Embodiment
Referring to Fig.1 and 2, the present embodiment provides a kind of oil well continuous metering devices 100 comprising the first separator
110, the second separator 120, the balance pipe 130 for being connected to the first separator 110 and the second separator 120, import triple valve
140 and outlet triple valve 150.
Wherein, the first fluid column 111, the first differential pressure pick-up 112,113 and of the first inlet are set on the first separator 110
First liquid outlet 114, the both ends of the first fluid column 111 are respectively communicated to the top and bottom end of the first separator 110, and the first differential pressure passes
Sensor 112 is installed on the first fluid column 111.First inlet 113 is connected to import triple valve 140, the first liquid outlet 114 and outlet
Triple valve 150 is connected to.In the present embodiment, the first fluid column 111 in the first separator 110 is measured using the first differential pressure pick-up 112
The pressure of generation, to obtain the liquid quality in the first separator 110, the first fluid column 111 is connected to the first separator 110
Side wall (as shown in Figure 2), compared to the prior art in weighing sensor is installed on for the bottom of separator, the present embodiment
In, equipment is fixed and process connection is to the no any influence of device weighing, so that oil well continuous metering provided in this embodiment fills
Set that 100 weighings are more accurate, and accuracy is higher.
The second fluid column 121, the second differential pressure pick-up 122, the second inlet 123 and are provided on second separator 120
Two liquid outlets 124, the both ends of the second fluid column 121 are respectively communicated to the top and bottom end of the second separator 120, the second differential pressure sensing
Device 122 is installed on the second fluid column 121.Second inlet 123 is connected to import triple valve 140, the second liquid outlet 124 and outlet three
Port valve 150 is connected to.In the present embodiment, the second fluid column 121 is connected to the side wall of the second separator 120.Likewise, the present embodiment
In, the pressure that second fluid column 121 generates in the second separator 120 is measured using the second differential pressure pick-up 122, to obtain second
Liquid quality in separator 120, the second fluid column 121 are connected to the side wall (as shown in Figure 2) of the second separator 120, compared to existing
Have and be installed on weighing sensor in technology for the bottom of separator, in the present embodiment, equipment is fixed and process connection is to dress
The no any influence of weighing is set, so that the weighing of oil well continuous metering device provided in this embodiment 100 is more accurate, accuracy is more
It is high.
Further, in this embodiment import triple valve 140 and outlet triple valve 150 are Pneumatic three-way valve.Existing skill
Art scheme uses electric T-shaped valve when switching double tank operations.Due to electric T-shaped valve will appear in handoff procedure it is two-way
One period of conducting, measured medium can enter two separators simultaneously at this time, this results in the separator for executing metering at this time
Meter certain media can be leaked, and the execution period of electric T-shaped valve is about 30 seconds long, so that measurement error increases.And the application
Middle to use Pneumatic three-way valve, switch speed is fast, and about 3-5 seconds, the Pneumatic three-way valve bidirectionally conductive time was extremely short, is conducive to improve liquid
The precision of meter amount.
Wherein, the measuring principle of liquid measure is as follows:
Measured medium is introduced into metering device, according to the liquid level feelings of the first separator 110 of detection and the second separator 120
Condition issues instruction to import triple valve 140 and outlet triple valve 150.When import triple valve 140 is right under control of the control system
The conducting of first separator 110, when the second separator 120 is connected in outlet triple valve 150, liquid level starts in the first separator 110
Rise, natural gas enters the second separator 120 and the crude oil in the second separator 120 is extruded the second separator 120；When first
When 110 liquid level of separator rises to setting position (be subject to and can satisfy gas-liquid separation), import triple valve 140 is controlled to second
Separator 120 is connected, and the first separator 110 is connected in outlet triple valve 150, and liquid level is begun to ramp up in the second separator 120, day
Right gas enters the first separator 110 and the crude oil in the first separator 110 is extruded the first separator 110.When metering by pair
Liquid in the first separator 110 of switching control repeatedly and the second separator 120 of import triple valve 140 and outlet triple valve 150
Position up and down, and measure the first fluid column 111 of the first separator 110 and the second fluid column 121 of the second separator 120
Differential pressure, with the variation of the quality of liquid in the first separator 110 in this unit of account time and the second separator 120 to obtain
Oil well flow.So in cycles, oil narrow-minded to association or without associated gas is realized using the alternating metering of two separators
The continuous metering of well, after gage work, intelligence control system 160 can add up to the amount oily time in setting time,
Convert producing well daily fluid production rate.
The balance pipe 130 of the present embodiment can connect to side wall (such as Fig. 2 of the first separator 110 and the second separator 120
It is shown), it also can connect the top (as shown in Figure 1) in the first separator 110 and the second separator 120.It is excellent in the present embodiment
Select balance pipe 130 be located at the first separator 110 and the second separator 120 top and respectively with the first separator 110 and second
The top of separator 120 is connected to, and realizes that the gas isolated out of the first separator 110 and the second separator 120 is balanced
Pipe 130.One end of balance pipe 130 is connected to the first fluid column 111 far from one end of 110 bottom end of the first separator, balance pipe 130
The other end is connected to (as shown in Figure 1) far from one end of 120 bottom end of the second separator with the second fluid column 121.
Fig. 3 or Fig. 4 is please referred to, in the prior art, is not directed to the metering of gas, and the metering of gas is oil well measurement
In usually occur.And in the present embodiment, the orifice flowmeter 131 for measuring gas flow is provided on balance pipe 130.
For measuring the flow for passing through the gas of orifice flowmeter 131.Preferably, in the present embodiment, orifice flowmeter 131 is two-direction hole
Flowmeter 131.That is gas when the first 110 drain of separator leads to from the second separator 120 to the direction of the first separator 110
It crosses two-way orifice flowmeter 131 to be measured, gas when the second 120 drain of separator is from the first separator 110 to second point
Direction from device 120 is measured by two-way orifice flowmeter 131, and then realizes bidirectional measuring, to obtain production status
Under gas flow.In the present embodiment, the switching of the two-way gas dosing of two-way orifice flowmeter 131 can be by intelligent control system
160 control of system.
What is measured due to orifice flowmeter 131 is flow under operating condition, for the flow being scaled under mark condition, the present embodiment
In, oil well continuous metering device 100 further comprises temperature sensor 132 and pressure sensor 133, temperature sensor 132
It is set on the pipeline of import triple valve 140 (as shown in Figure 4) with pressure sensor 133, or；Temperature sensor 132 and pressure
Force snesor 133 is set on balance pipe 130, and is located at the two sides (as shown in Figure 3) of orifice flowmeter 131.In the present embodiment,
It is measured by temperature sensor 132 for the temperature under the working condition of the liquid in pipeline, while passing through pressure sensor
Pressure under the working condition of liquid in 133 pairs of pipelines measures.
Circular is as follows:
The equation of gas state: PV=nRT；Operating condition and mark ex. calculation: P1 × V1/T1=P2 × V2/T2.Wherein,
P1: mark condition pressure, unit K pa, with standard atmospheric pressure value=101.325Kpa
V1: mark condition flow, unit m3/h
T1: mark condition temperature, unit Kelvin K, value 273.15K (i.e. 0 DEG C)
P2: working condition pressure=(gauge pressure Mpa × 1000+P is existing) Kpa.P is existing: live real atmosphere pressure, and approximation presses normal atmosphere
Press value=101.325Kpa
V2: operating condition flow
T2: working temperature=(actual temperature DEG C+273.15) K.Temperature conversion: K=DEG C+273.1.
By bringing flow, temperature and the pressure under the operating condition measured in the present embodiment into above-mentioned formula, can calculate
Gas flow under bid condition.
Further, Fig. 3 or Fig. 4 is please referred to, above-mentioned oil well continuous metering device 100 further includes for measuring the first separation
First densitometer 115 of Media density and the second densitometer for measuring Media density in the second separator 120 in device 110
125, the first densitometer 115 is connect with the first separator 110, and the second densitometer 125 is connect with the second separator 120.
Also the combined density without reference to measurement liquid and aqueous test in the prior art, and in the present embodiment, lead to
The first densitometer 115 of setting and the second densitometer 125 are crossed, the combined density of the liquid under working condition, tester can be measured
Member can be by inputting the oil density and water density of known tested oil well, and then obtains the comprehensive water cut of measured medium.
Optionally, above-mentioned oil well continuous metering device 100 further includes intelligence control system 160, and intelligence control system 160 is divided
Not with import triple valve 140, outlet triple valve 150, the first differential pressure pick-up 112, the second differential pressure pick-up 122 and orifice flow
131 connection of meter.Intelligence control system 160 realizes intelligentized control method, and control precision is high, is swift in response.
In addition, the embodiment of the invention also provides a kind of well recovery metering systems comprising matching used oil recovery dress
It sets and above-mentioned oil well continuous metering device 100.It is easily installed, and weighing accuracy is high.
In conclusion oil well continuous metering device 100 provided in an embodiment of the present invention, passes through above-mentioned first differential pressure pick-up
112 and second differential pressure pick-up 122 realize measurement to the pressure in the first fluid column 111 and the second fluid column 121, and pass through measurement
Pressure measure the liquid quality in the first separator 110 and the second separator 120.It is counted again by above-mentioned orifice flowmeter 131
The gas flow under operating condition is measured, pressure sensor 133 and temperature sensor 132 is cooperated to measure temperature and pressure under operating condition therewith
Power, tester can realize the gas under measurement mark condition according to the gas flow under above-mentioned operating condition, the temperature and pressure under operating condition
Body flow.And the synthesis that can also measure liquid by the first densitometer 115 and the second densitometer 125 in the present embodiment is close
It spends, and then calculates the amount of comprehensive water cut by known oil density and water density.From the above, it is seen that the present embodiment
Three phase metering may be implemented in the oil well continuous metering device 100 of offer, and (liquid quality metering, the measurement of gas flow and synthesis contain
The metering of water), it supplements and the perfect prior art.And due to the first differential pressure pick-up 112 and the second differential pressure in the application
Sensor 122 is connected to the side wall of the first separator 110 and the second separator 120, therefore the first differential pressure pick-up 112 and second
The no any influence of the weighing of oil well continuous metering device 100 is imported and exported in the fixation and connection of differential pressure pick-up 122
Pneumatic three-way valve switch speed it is fast (about 3~5 seconds), the triple valve bidirectionally conductive time is extremely short, improves liquid volume measurement precision.This
Outside, it the embodiment of the invention also provides a kind of well recovery metering system, is easily installed, weighing accuracy is high.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of oil well continuous metering device, which is characterized in that it includes the first separator, the second separator and for being connected to
The first fluid column, the first differential pressure is arranged on first separator in the balance pipe of first separator and second separator
Sensor, the first inlet and the first liquid outlet, be provided on second separator the second fluid column, the second differential pressure pick-up,
Second inlet and the second liquid outlet, the both ends of first fluid column are respectively communicated to the top and bottom of first separator
End, first differential pressure pick-up are installed on first fluid column, and the both ends of second fluid column are respectively communicated to described second
The top and bottom end of separator, second differential pressure pick-up are installed on second fluid column；First inlet and described
Second inlet is connected to import triple valve, and first liquid outlet and second liquid outlet connect with outlet triple valve
It is logical.
2. oil well continuous metering device according to claim 1, which is characterized in that first fluid column is connected to described
The side wall of one separator, second fluid column are connected to the side wall of second separator.
3. oil well continuous metering device according to claim 1, which is characterized in that the import triple valve and the outlet
Triple valve is Pneumatic three-way valve.
4. oil well continuous metering device according to claim 1, which is characterized in that the balance pipe is located at described first point
It is connected to from the top of device and second separator and respectively with the top of first separator and second separator, institute
The one end for stating balance pipe is connected to first fluid column far from one end of first separator bottom end, the balance pipe it is another
End is connected to second fluid column far from one end of second separator bottom end.
5. oil well continuous metering device according to claim 1, which is characterized in that be provided on the balance pipe for surveying
Measure the orifice flowmeter of gas flow.
6. oil well continuous metering device according to claim 5, which is characterized in that the orifice flow is calculated as two-direction hole plate
Flowmeter.
7. oil well continuous metering device according to claim 5, which is characterized in that the oil well continuous metering device also wraps
Temperature sensor and pressure sensor are included, the temperature sensor and the pressure sensor are set to the import triple valve
On pipeline, or；
The temperature sensor and the pressure sensor are set on the balance pipe, and are located at the two of the orifice flowmeter
Side.
8. oil well continuous metering device according to claim 1, which is characterized in that the oil well continuous metering device also wraps
It includes for measuring in first separator the first densitometer of Media density and for measuring medium in second separator
Second densitometer of density, first densitometer are connect with first separator, second densitometer and described second
Separator connection.
9. oil well continuous metering device according to claim 1, which is characterized in that the oil well continuous metering device also wraps
Include intelligence control system, the intelligence control system respectively with the import triple valve, outlet triple valve, the first differential pressure pick-up
It is connected to the second differential pressure pick-up.
10. a kind of well recovery metering system, which is characterized in that it includes matching used extracting device of oil and such as claim 1-
9 described in any item oil well continuous metering devices.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811265397.1A CN109098705A (en) | 2018-10-26 | 2018-10-26 | A kind of oil well continuous metering device and well recovery metering system |
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| CN201811265397.1A CN109098705A (en) | 2018-10-26 | 2018-10-26 | A kind of oil well continuous metering device and well recovery metering system |
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| CN109098705A true CN109098705A (en) | 2018-12-28 |
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| CN201811265397.1A Pending CN109098705A (en) | 2018-10-26 | 2018-10-26 | A kind of oil well continuous metering device and well recovery metering system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN111691850B (en) * | 2019-03-11 | 2024-05-28 | 中国石油天然气股份有限公司 | Metering valve for oil well |
| CN115199258A (en) * | 2022-09-15 | 2022-10-18 | 四川凯创机电设备有限公司 | Metering well selection mixed transportation pry and metering control method thereof |
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